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The Role of Mobile Technology in Improving Accessibility and Quality of Learning

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Abstract

The development of information technology, especially in the form of mobile technology, has sbrought revolutionary changes in various fields of life, including education. The widespread use of mobile devices such as smartphones and tablets has opened up new opportunities for learning and significantly increased the accessibility and quality of learning. The purpose of this summary is to describe the important role mobile technologies play in improving the accessibility and quality of learning. With the help of descriptive methods and literary analysis, the positive effects of mobile technologies on learning are examined. First, mobile technology has broken down geographical and physical barriers to access learning. The ability to access learning materials and educational resources via mobile devices has opened the door to distance learning and self-study. Students can now study anywhere, anytime, increasing the flexibility of the learning process. Second, mobile technology enables the use of interactive and engaging learning applications and platforms. Many educational apps available online offer innovative learning methods such as educational videos, educational games and interactive quizzes. This helps increase student engagement and interest in the learning process, which has a positive impact on their motivation and academic performance. In addition, mobile technology enables more effective collaboration and communication between students, teachers and parents. With the help of communication apps and online learning platforms, teachers can provide real-time feedback, strengthen teacher-student relationships, and facilitate parental involvement in their children's academic development. However, this summary also highlights some of the challenges and concerns that need to be addressed when learning to use mobile technology. Issues such as unequal access to technology, the potential for distracting concentration due to distracting devices, and the importance of student data security and privacy need to be carefully considered. As we recognize the increasingly important role of mobile technology in education, we can take advantage of the opportunities and opportunities offered by this technological revolution to increase the accessibility and quality of learning. With the integration of smart technology and the right support, mobile technology-based learning can become one of the main pillars of a more inclusive and innovative education in the future.
AL-FIKRAH: Jurnal Manajemen Pendidikan
AL-FIKRAH: Jurnal Manajemen Pendidikan, 11(2) - December 2023 259-271
The Role of Mobile Technology in Improving Accessibility and Quality
of Learning
Liza Husnita 1, Arintina Rahayuni 2, Yenni Fusfitasari 3, Edy Siswanto 4, Ratna
Rintaningrum 5
1 Universitas PGRI Sumatera Barat, Indonesia
2 Universitas Negeri Semarang, Indonesia
3 Sekolah Tinggi Ilmu Kesehatan Bhakti Husada Bengkulu, Indonesia
4 Universitas Negeri Semarang, Indonesia
5 Institut Teknologi Sepuluh Nopember, Indonesia
Corresponding Author: Liza Husnita, E-mail; lizahusnita1@upgrisba.ac.id
Article Information:
Received December 10, 2023
Revised December 19, 2023
Accepted December25, 2023
ABSTRACT
The development of information technology, especially in the form of
mobile technology, has sbrought revolutionary changes in various fields
of life, including education. The widespread use of mobile devices such
as smartphones and tablets has opened up new opportunities for learning
and significantly increased the accessibility and quality of learning. The
purpose of this summary is to describe the important role mobile
technologies play in improving the accessibility and quality of learning.
With the help of descriptive methods and literary analysis, the positive
effects of mobile technologies on learning are examined. First, mobile
technology has broken down geographical and physical barriers to
access learning. The ability to access learning materials and educational
resources via mobile devices has opened the door to distance learning
and self-study. Students can now study anywhere, anytime, increasing
the flexibility of the learning process. Second, mobile technology
enables the use of interactive and engaging learning applications and
platforms. Many educational apps available online offer innovative
learning methods such as educational videos, educational games and
interactive quizzes. This helps increase student engagement and interest
in the learning process, which has a positive impact on their motivation
and academic performance. In addition, mobile technology enables
more effective collaboration and communication between students,
teachers and parents. With the help of communication apps and online
learning platforms, teachers can provide real-time feedback, strengthen
teacher-student relationships, and facilitate parental involvement in their
children's academic development. However, this summary also
highlights some of the challenges and concerns that need to be
addressed when learning to use mobile technology. Issues such as
unequal access to technology, the potential for distracting concentration
due to distracting devices, and the importance of student data security
and privacy need to be carefully considered. As we recognize the
increasingly important role of mobile technology in education, we can
take advantage of the opportunities and opportunities offered by this
technological revolution to increase the accessibility and quality of
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
260
learning. With the integration of smart technology and the right support,
mobile technology-based learning can become one of the main pillars of
a more inclusive and innovative education in the future.
Keywords: Cellular Technology, Mobile Technology, Quality Learning
Journal Homepage https://ojs.iainbatusangkar.ac.id/ojs/index.php/alfikrah/index
This is an open access article under the CC BY SA license
https://creativecommons.org/licenses/by-sa/4.0/
How to cite: Husnita, L., Rahayuni, A., Fusfitasari, Y., Siswanto, E., Rintaningrum, R. (2023). The
Role of Mobile Technology in Improving Accessibility and Quality of Learning. Al-
Fikrah: Jurnal Manajemen Pendidikan, 11(2), 259-271.
https://doi.org/10.31958/jaf.v10i1.6007
Published by: Universitas Islam Negeri Mahmud Yunus Batusangkar Press
INTRODUCTION
Technology has become an integral aspect (Atangana & İğret Araz, 2021) of
education, driving major changes in the way learning is approached, communicated and
understood. Utilization of technology in learning (Beck et al., 2020) Educational
technology or e-learning has brought many positive changes to the education process.
Accessibility (Alsaeedi, 2020) greater technology in learning has transcended traditional
geographical and infrastructural boundaries, allowing access to learning resources from
anywhere, anytime. Students (Alhadabi & Karpinski, 2020) are no longer limited to the
actual classroom environment, as course materials and educational content can be
accessed via mobile devices (Schnauber-Stockmann & Karnowski, 2020), computer, or
tablet connected to the internet. Online learning (Alghamdi et al., 2020) With
technology, online learning models are becoming more feasible and popular.
Technology allows the use of multimedia (Qureshi & Megías Jiménez, 2020) in
the learning process. Teachers can use images, videos, animations and sound to explain
complex concepts in a more intuitive way (Shahzad et al., 2020) and engaging. In
addition, this technology also enables interactive learning through simulations,
educational games, etc. (Jaloustre, 2022), and other online activities, thus increasing
student engagement and understanding. By using technology, learning methods (Da’u et
al., 2020) can be customized according to the needs and interests of each student.
Intelligent learning system (Javed, Fahad, et al., 2021) using data and analytics to
identify students' weaknesses and strengths, so they can receive additional materials or
instruction accordingly.
Technology facilitates (Liu et al., 2020) collaboration between students and
teachers around the world. Students can participate in joint projects, discuss in online
forums (Sarker et al., 2022), and share ideas with peers outside of the actual classroom
environment. This creates a learning experience (Feigin et al., 2021) that are richer and
more varied. (Sestino et al., 2020) The internet has become an unlimited source of
learning. Students and teachers have access to a wide range of materials (Kitanovski,
2020) courses, digital textbooks, academic journals (Malik et al., 2020), and other
educational content that expands their knowledge and understanding. Although
technology in learning (Theobald et al., 2020) offers many benefits, there are also
challenges to overcome, such as uneven internet access, data privacy (Bleier et al.,
2020), and the digital divide. important for educators (Sarker et al., 2022), students, and
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
261
other stakeholders to wisely apply technology in learning and address issues that may
arise to maximize its benefits in learning. improve quality (Sá et al., 2020) education as
a whole.
Mobile technology (Andujar et al., 2020) has made its presence felt in various
aspects of human life. One area where mobile technology plays an important role is in
education. The development of mobile technology has had a positive impact (De
Meester et al., 2020) on improving accessibility and quality of learning. Accessibility is
one of the most important elements in education, especially in developing countries or
remote areas of the world. With mobile technology, accessing (Demirgüç-Kunt et al.,
2020) learning resources have become easier. Thanks to smartphones (Javed, Faheem,
et al., 2021), tablets, and other mobile devices, students and teachers can now access
information, course materials, and more. (Branch, 2020), and educational content from
anywhere at any time. No longer bound by geographical limitations or educational
infrastructure (Demintseva, 2020) and educational content from anywhere at any time.
No longer bound by geographical limitations or educational infrastructure (Alencar et
al., 2020) online learning, and digital learning resources (Correani et al., 2020), learning
process becomes more interactive and fun. Mobile technology enables the use of
multimedia, gamification (Ferriz-Valero et al., 2020), and other interactive content to
facilitate better understanding of the subject. Teachers can also find learning tools and
resources (Mahmood & Wang, 2021) innovative educational applications to provide
students with richer and more engaging learning experiences. In the context of inclusive
education (Kuyini et al., 2020), Mobile technology has opened up opportunities for
students with special needs. Application (Ahmed et al., 2021) and mobile devices can
be customized to support learning for people with learning disabilities or physical
difficulties. By using mobile technology, education becomes more personalized (De
Barcelos Silva et al., 2020) and accessible to all individuals regardless of boundaries.
Mobile technology to improve accessibility and quality of learning (Medeiros et
al., 2020), should also be aware of the ethical challenges and considerations associated
with the use of mobile devices. Data privacy, digital security (Ali et al., 2021), and
dependency on technology are some of the issues that need to be carefully considered
when integrating mobile technology into education. So, in this introduction, we
recognize the important role that mobile technology plays in opening doors of
opportunity for more inclusive and quality education. The continuous evolution of this
technology has great potential to advance the global education system (De Figueiredo et
al., 2020) and equip future generations with knowledge and skills relevant to the digital
age. Some previous researchers' opinions on the role of mobile technology in
improving accessibility and quality of learning. According to Mukhid, M. P. (2023) that
shows that mobile technology, such as smartphones and tablets, has significantly
improved access to education. Through mobile devices, students can access various
learning resources, such as learning materials, videos, educational applications, and e-
books, anytime and anywhere. This allows them to learn independently and flexibly
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
262
without being constrained by time and space, making it easier for students from various
backgrounds to access quality education. Secondly, according to Ibrahim, N., &
Ishartiwi, I. (2017) that the use of mobile technology in learning has been proven to
have a positive impact in increasing student engagement and attachment. Through
mobile learning apps and platforms, teachers can design engaging and interactive
content that actively involves students in the learning process. With elements such as
educational games, quizzes, and online discussion forums, students are more interested
and engaged in the subject matter, which improves their ability to understand and retain
information. Third, according to Saputri, D. S. C. (2017) mobile technology enables
personalized learning. By using adaptive learning tools and applications, teachers can
understand the individual needs of each student and provide learning materials that
match their level of understanding and interest. This personalized learning method
increases the effectiveness of learning, as students will focus more on the material that
is right for them, increase their motivation to learn, and overcome learning difficulties
more effectively.
The purpose of this research is to examine the role of mobile technology in
improving the accessibility and quality of learning. The purpose of this research is to
determine the impact of using mobile technology in an educational context. By
understanding the impact, researchers can assess the role of mobile technology in
improving accessibility and quality of learning for students. And to measure the
effectiveness of using mobile technology in the learning process. Through this study,
researchers can find out whether or not the use of mobile technology has significant
benefits in improving students' understanding, engagement in the learning process, and
overall achievement of learning outcomes. Therefore, this research will provide new
insights into how mobile technology can play a role in improving accessibility and
quality of learning, as well as provide a basis for future learning, development of more
adaptive and innovative methods.
RESEARCH METHODOLOGY
The method used in this research is quantitative method. Quantitative research
methods (King et al., 2021) This method produces data in the form of numbers obtained
by filling out surveys on google forms and provided to students as research subjects. In
addition, this quantitative method produces systematic, planned, and structured
research. This quantitative research method is widely used in research. This quantitative
method is defined as the process of discovering a phenomenon in a systematic and real
way by collecting information, then measuring it and confirming the truth by filling out
questionnaires and interviewing stakeholders. This research is mostly done through
statistical research(Lindl et al., 2020) where quantitative data is collected through
research studies. This quantitative research method provides information that is truly
accurate and realistic because the end result is in the form of numbers.
The type of research is a test whose purpose is to test the use of artificial
intelligence in future education management. The researcher's data collection technique
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
263
is to search for and collect factual and current information on the spot. Data collection at
observation points is a quantitative research data analysis technique. When analyzing
data, one does so by describing and characterizing the information collected, without
changing the source of the information obtained. The first step of this quantitative
research is to find the root of the problem or formulate the problem, then conduct a
literature review, determine the hypothesis, determine the method to be used, determine
the instrument or research tool, and conduct data analysis and finally draw conclusions.
RESULT AND DISCUSSION
The development of technology, especially mobile technology, has brought many
changes in various aspects of human life, including in the field of education. With the
advancement of mobile technology, the accessibility and quality of learning has
improved dramatically. Mobile technology provides flexible and accessible learning
anytime, anywhere. Pupils and students are no longer restricted by time and limited
traditional classrooms. With mobile devices such as smartphones or tablets, learning
materials can be accessed through e-learning platforms or educational apps, so learning
can happen according to everyone's schedule and skill level. Mobile technology makes
distance learning (e-learning) more effective and accessible. Students and college
students can attend lectures or classes given by teachers or lecturers without having to
be in the same location. This is especially beneficial for those who live in remote areas
or who have physical limitations that prevent them from attending classes.
With mobile technology, it becomes easier to access different learning resources.
Many educational apps, e-book platforms, learning videos, and other interactive
learning resources are available in the palm of your hand. This allows students and
learners to gain a deeper understanding of a particular topic through various sources,
thus enhancing the quality of their learning. Mobile technology enables interaction and
collaboration between students, students, teachers and faculty. Online learning apps and
platforms offer features such as discussion forums, virtual learning groups and live
chats that enable the exchange of ideas and support between students and educators.
This type of collaboration can improve understanding of the material and enrich the
learning experience.
Table
No
Statement
Strongly
Agree
Agree
Disagree
1
The use of mobile technology makes
access to education easier
50%
45%
3%
2
The existence of mobile technology
makes it easier for teachers to
determine the right way of learning
60%
50%
0%
3
Mobile technology provides flexible
55%
35%
5%
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
264
learning and can be accessed at any
time.
4
Mobile technology is very necessary
in the world of education which
requires continuous development
75%
45%
10%
5
Motivated students in doing the
learning taught by the teacher
60%
50%
0%
6
Students are motivated to find out
creative and innovative knowledge to
support intergenerational competition
50%
50%
4%
7
The use of mobile technology if
appropriate and accurate will advance
all aspects of education
40%
55%
2%
8
Students are not limited by time and
limited classrooms by using mobile
technology.
70%
40%
0%
9
With mobile technology such as
smartphones or tablets, learning
materials can be accessed through e-
learning platforms or educational
applications.
60%
30%
3%
10
Ease of learning will be achieved if
mobile technology is well utilized by
educators.
65%
45%
0%
11
Mobile technology makes distance
learning more accessible and effective.
55%
45%
0%
12
Learning objectives can be achieved
by maximizing by using this mobile
technology well
65%
35%
3%
13
Students' proficiency in critical
thinking and understanding related to
various learning can be resolved
70%
50%
0%
14
Learning is more fun and conducive
when using this mobile technology
30%
75%
0%
15
Mobile technology makes it easier to
access learning resources
55%
70%
2%
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
265
In the table above, there are several statements from several questions in the
problem-based learning strategy to improve problem-solving skills by well-educated
students. The statements generated from some of the questions are very helpful for
researchers in researching the use of this strategy for education in schools. The 15
questions tested contained a number of statements about the role of mobile technology
in improving the accessibility and quality of learning. The benefits of this mobile role
can be maximized properly. So that the world of education can develop rapidly with
amazingly accurate and reliable results for the desired progress. Not only that,
technology for primary and secondary level students and even colleges. The statement
containing that the use of mobile technology makes access to education easier, obtained
a percentage of 50% in the strongly agree category. Meanwhile, a percentage of 45% in
the agree category, in the disagree category obtained a percentage of 3%, and a
percentage of 0% in the strongly disagree category.
The statement that the existence of mobile technology makes it easier for teachers
to determine the right way of learning, obtained a percentage of 60% in the strongly
agree category. Whereas in the agree category, it obtained a percentage of 50%, for the
disagree category, it got a percentage of 0% and so did the strongly disagree category
get the same percentage of 0%. The statement that mobile technology provides flexible
learning and can be accessed at any time received a percentage of 55% in the strongly
agree category. While in the agree category, the percentage is 35%, for the disagree
category, the percentage is 5% and in the strongly disagree category, the percentage is
3%. Furthermore, the statement stating that mobile technology is indispensable in the
world of education which requires continuous development, obtained a percentage of
75% in the strongly agree category. As for the agree category, it gets a percentage of
45%, for the disagree category it gets a percentage of 10% and finally in the strongly
disagree category it gets a percentage of 0%. In the statement Motivated students in
doing the learning taught by the teacher got a percentage of 60% in the strongly agree
category. While in the agree category it gets a percentage of 50%, for the disagree
category it gets a percentage of 0% and in the strongly disagree category it gets a
percentage of 0%.
Furthermore, the statement stating that students are moved to find out creative and
innovative knowledge to support competition between generations, obtained a
percentage of 50% in the strongly agree category. While in the agree category, the
percentage is 50% as well, for the disagree category, the percentage is 4% and finally in
the strongly disagree category, the percentage is 3%. The statement stating that the use
of mobile technology, if appropriate and accurate, will advance all aspects of education,
obtained a percentage of 40% in the strongly agree category. Meanwhile, for the agree
category, the percentage is 55%, for the disagree category, the percentage is 2% and the
strongly disagree category gets a percentage of 0%. Furthermore, the statement stating
that students are not limited by limited time and classroom space by using mobile
technology, obtained a percentage of 70% in the strongly agree category. Meanwhile, in
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
266
the agree category, it obtained a percentage of 40%, for the disagree category obtained a
percentage of 0%, and the strongly disagree category obtained a percentage of 0%.
The statement stating that with mobile technology such as smartphones or tablets,
learning materials can be accessed through e-lerning platforms or educational
applications, received a percentage of 65%. While in the agree category, the percentage
is 45%, for the disagree category, the percentage is 0% and for a percentage of 0% also
in the strongly disagree category. Furthermore, the statement that convenience will be
obtained in learning if the role of mobile technology is good by educators, obtained a
percentage of 55% in the strongly agree category. Meanwhile, for the agree category,
the percentage was 45%, for the disagree category, the percentage was 0%, as well as a
percentage of 0% in the strongly disagree category. The statement that mobile
technology makes distance learning more accessible and effective, obtained a
percentage of 65% in the category strongly agreeing with the statement given. While in
the agree statement, it obtained a percentage of 35%, for the disagree category obtained
a percentage of 3% and for the strongly disagree category obtained a percentage of 0%.
This proves the abundant benefits for many people.
Furthermore, the statement that learning objectives can be achieved by
maximizing by using this mobile technology well obtained a percentage of 70% in the
strongly agree category. As for the agree category, it obtained a percentage of 50%, for
the disagree statement obtained a percentage of 0%, as well as the strongly disagree
category obtained a percentage of 0%. The statement that students' skills in critical
thinking and understanding related to various learning can be overcome, obtained a
percentage of 30% in the strongly agree category. While in the agree category, the
percentage was 75%, for a percentage of 0% in the disagree category and also strongly
disagree obtained a percentage of 0%. Finally, the statement Learning is more fun and
conducive when using this mobile technology, obtained a percentage of 55% in the
strongly agree category. As for the agree category, it gets a percentage of 70%, for the
disagree category it gets a percentage of 2% and for the strongly disagree category it
gets a percentage of 0%. All of these statements show the results that the role of mobile
technology in improving the accessibility and quality of learning is indeed needed.
With mobile technology, the process of assessment and response to learning
outcomes can be done quickly and efficiently. Teachers and lecturers can issue
assignments and exams online, and return the results directly to students without having
to wait long. This helps students immediately improve their understanding and adapt to
the learning process. While mobile technology has many benefits to improve the
accessibility and quality of learning, it is important to remember that its use must be
wise. The incorporation of mobile technology into the learning process must be
carefully planned and appropriately supervised in order to have the maximum positive
impact on students. Mobile technology makes it easier for students and teachers to
collaborate. They can join virtual study groups, discussion forums or group projects
through online learning platforms. Such cooperation expands social networks and
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
267
facilitates the exchange of ideas, views and information among students, which in turn
can improve the quality of learning through shared learning and group support.
The result of this research is the role of mobile technology in improving the
accessibility and quality of learning. With mobile technology, access to education
becomes easier and more equitable. Students in remote areas or areas with limited
mobility can access learning materials through mobile devices. This reduces the access
gap and provides more opportunities for everyone to receive quality education. Mobile
devices enable flexible learning in terms of time and place. Students, no longer tied to a
physical schedule, can organize their learning time according to their needs and
interests. Learning can be done at home, while traveling, or anywhere that is convenient
for the individual, allowing them to remain productive even outdoors. Mobile
technology provides access to many learning resources. Pupils and students can access
eBooks, learning videos, interactive content, and educational apps that enhance their
understanding of the subject. The availability of various learning resources improves the
quality of learning and makes learning more fun and enjoyable.
The research examined the role of mobile technology in improving the
accessibility and quality of learning. Evidenced by several statements distributed
through questionnaires, then researchers present them through tables so that they are
easy for readers to read and understand. The method used in this research is a
quantitative method that uses numbers or numerics that contain numbers in it that are
accurate and reliable. This research method is obtained by collecting all the many data
obtained by researchers by going directly to the research location, namely at school.
When directly at the research site, the researcher tries to explore his research to get valid
data. By using this quantitative method which contains accurate original data,
researchers can explain in detail how much data has been researched in the field
correctly and according to the actual facts that exist. This method also makes it easier
for researchers to create scientific papers using tables containing statements about the
effectiveness of the role of mobile technology in improving the accessibility and quality
of this learning. The results obtained from this statement are also explained through the
explanation after the use of the table, so that it can be seen easily by the reader.
The purpose of this study is to assess the extent to which mobile technology can
extend the reach of learning and reduce geographical barriers for students. Evaluate the
effectiveness of various mobile applications and platforms in increasing student
engagement and involvement in the learning process. Identify the role of mobile
technology in making learning accessible to students with special needs or disabilities.
Measure the improvement in the quality of learning that results from integrating mobile
technology into the school curriculum. Investigate teachers' perceptions and responses
to the use of mobile technology in classroom management and teaching. Provide
recommendations to schools and government to implement mobile technology as a
means to improve access and quality of learning. This research will help to better
understand how to effectively use mobile technology to improve accessibility and
quality of learning.
The Role of Mobile Technology in Improving Accessibility and Quality of Learning
268
CONCLUSION
Based on the discussion above, it can be concluded that the use of mobile
technology has successfully increased the accessibility of learning for students,
especially in overcoming geographical barriers and physical limitations. Students can
access learning materials and supporting resources through their mobile devices from
anywhere and anytime. The integration of mobile technology in learning has also
increased student participation and interaction in the teaching-learning process. Mobile
applications and platforms provide a more engaging and interactive way to deliver
materials, so students tend to be more engaged and motivated. Mobile technology also
provides great benefits for students with special needs or disabilities. Enhanced
accessibility and various accessibility features in mobile applications help students with
various learning challenges to overcome barriers and participate in learning more
effectively. The successful implementation of mobile technology in learning is highly
dependent on teacher support and involvement. Teachers who are skilled in using these
technologies are able to create more effective and engaging learning experiences for
students.
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Résumé Dans le cadre de l’assistance éducative, le placement des enfants par le juge des enfants est une mesure extrême, et le critère de violences exercées sur les enfants est à ce titre déterminant. Le juge pour enfants n’est pas tenu par une éventuelle condamnation pénale, et il doit apporter sa propre appréciation dans sa mission de protection de l’enfance.
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The power conversion efficiency (PCE) of organic solar cells (OSCs) is increasing continuously, however, commercialization is far from being achieved due to the very high synthetic cost of materials and toxic solvents. Poly(3-hexylthiophene) (P3HT) is the cheapest donor, however, its PCE has remained relatively low for a long time. Recently, a PCE of over 9% has been reported. This study was performed with the aim of predicting the performance of P3HT based organic solar cells through statistical data fit, bypassing the complexity of OSC devices. For this purpose, we have used machine learning to explore data from previously reported devices. Molecular descriptors were used to train machine learning models. We have identified the descriptors that have a positive impact on the PCE. Various machine learning models are used to classify non-fullerene acceptors (NFAs) on the basis of their PCEs. We have also developed various regression models to predict the PCE. The support vector machine showed the best predictive capability. Machine learning models were also trained to predict the energy levels. Over 3000 NFAs were designed using high performing and easily synthesizable building blocks. For virtual screening of new molecules, energy levels were predicted through the already trained model. Acceptors with suitable energy levels matching with those of P3HT were selected. The PCEs of these selected acceptors were also predicted. 87 acceptors with >7.5% PCE were selected. Green solvents were selected on the basis of Hansen solubility parameters predicted using machine learning. Green solvent-containing organic solar cells have better scope of commercialization due to their environment-friendly nature. This study will pave the way for the cheap and fast design of materials for efficient P3HT-based organic solar cells. This study will help to select potential candidates and speed up the breakthroughs.
Article
4D printing refers to single-material or multi-material printing of a device or object that can be transformed from a 1D strand into pre-programed 3D shape, from a 2D surface into preprogramed 3D shape and is capable of morphing between different dimensions. Such transformations are facilitated by, e.g., heating, light, or swelling in a liquid, electrochemically and by programming different sensitivity to, e.g., swelling into various parts of the designed geometry. These techniques offer adaptability and dynamic response for structures and systems of all sizes, and promises new possibilities for embedding programmability and simple decision making into non-electronic based materials. Potential applications include; robotics-like behavior without the reliance on complex electro-mechanical-chemical devices as well as adaptive products, garments or mechanisms that respond to user-demands and fluctuating environments. In this paper, we have discussed fundamentals and laws governing 4D printing, materials that are employed in 4D printing along with applications such as soft robotics and challenges that need to be overcome for 4D printing to evolve as a mainstream manufacturing technology.
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In the last decades, many methodologies have been suggested to depict behaviors of some complex world’s problems arising in many academic fields. One of these problems is the multi-steps behavior displayed by some problems. A concept of piecewise derivative is introduced in this paper with the aim to model real world problems following multiples processes. We have presented some important properties of these definitions. We considered different scenarios and presented numerical schemes that could be used to solve such problems. Illustrative examples, including chaotic and epidemiological models are presented to see the effectiveness of the suggested concept.
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The Internet of Things (IoT) provides smart solutions for future urban communities to address key benefits with the least human intercession. A smart home offers the necessary capabilities to promote efficiency and sustainability to a resident with their healthcare-related, social, and emotional needs. In particular, it provides an opportunity to assess the functional health ability of the elderly or individuals with cognitive impairment in performing daily life activities. This work proposes an approach named Cognitive Assessment of Smart Home Resident (CA-SHR) to measure the ability of smart home residents in executing simple to complex activities of daily living using pre-defined scores assigned by a neuropsychologist. CA-SHR also measures the quality of tasks performed by the participants using supervised classification. Furthermore, CA-SHR provides a temporal feature analysis to estimate if the temporal features help to detect impaired individuals effectively. The goal of this study is to detect cognitively impaired individuals in their early stages. CA-SHR assess the health condition of individuals through significant features and improving the representation of dementia patients. For the classification of individuals into healthy, Mild Cognitive Impaired (MCI), and dementia categories, we use ensemble AdaBoost. This results in improving the reliability of the CA-SHR through the correct assignment of labels to the smart home resident compared with existing techniques.