Nowshad Amin

Nowshad Amin
Universiti Tenaga Nasional (UNITEN) | uniten · Institute of Sustainable Energy

PhD

About

499
Publications
187,765
Reads
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6,777
Citations
Citations since 2016
254 Research Items
5509 Citations
201620172018201920202021202202004006008001,0001,2001,400
201620172018201920202021202202004006008001,0001,2001,400
201620172018201920202021202202004006008001,0001,2001,400
201620172018201920202021202202004006008001,0001,2001,400
Additional affiliations
February 2018 - present
Universiti Tenaga Nasional (UNITEN)
Position
  • Professor
July 2013 - October 2015
King Saud University
Position
  • Professor
October 2012 - January 2018
Universiti Kebangsaan Malaysia
Position
  • Professor

Publications

Publications (499)
Article
The main aim of this work is to elucidate the effect of the chemical treatment of titanium tetrachloride (TiCl4) in graphene quantum dots (GQDs)-based dye-sensitized solar cells (DSSCs). Although this type of chemical treatment has been used in DSSCs, the detailed electron transport properties of TiCl4-treated TiO2/GQDs+dye have not been studied ye...
Article
Full-text available
Extensive research on fault diagnosis is essential to detect various faults that occur to different photovoltaic (PV) panels to keep PV systems operating at peak performance. Here, we present an impact analysis of potential induced degradation (PID) on the current–voltage (I-V) characteristics of crystalline silicon (c-Si) solar cells. The impact o...
Article
Full-text available
Tungsten oxide (WOx) thin films were synthesized through the RF magnetron sputtering method by varying the sputtering power from 30 W to 80 W. Different investigations have been conducted to evaluate the variation in different morphological, optical, and dielectric properties with the sputtering power and prove the possibility of using WOx in optoe...
Article
Graphene and graphene-based materials can play a major role in the building and construction industries with their excellent performance. Graphene and its derivatives, as a nano-additive, influence the composition and microstructure of building materials and enhance their physical and mechanical characteristics. The incorporation of graphene-based...
Article
Full-text available
In this study, lead sulfide (PbS) nanoparticles were synthesized by the chemical precipitation method using Aloe Vera extract with PbCl2 and Thiourea (H2N-CS-NH2). The synthesized nanoparticles have been investigated using x-ray diffraction (XRD), UV-Vis, energy-dispersive x-ray spectroscopy (EDX), scanning electron microscopy (SEM), and transmissi...
Article
In this letter, the effects of sulphurization time on the material properties of CTS thin film and concomitant device performance were investigated. A specified range of sulphurization time from 1 to 3 hours were carried out. Structural analyses confirmed that polycrystalline CTS were apparent in all samples prepared, with an intermediate secondary...
Article
Full-text available
Despite the increasing trend of n-type silicon wafer utilization in the manufacturing of high-efficiency heterojunction solar cells due to the superior advantages over p-type counterparts, its high manufacturing cost remains to be one of the most crucial factors, which impedes its market share growth with state-of-the-art silicon heterojunction (SH...
Article
Full-text available
Graphene-based materials are widely applied due to their interesting physical and chemical properties, but their hydrophobic surface and toxicity to living creatures limit their application in some fields. Biopolymers are incorporated with graphene-based materials to overcome these issues and improve their biodegradability, biocompatibility, and ec...
Article
In the last two decades, research on dye-sensitized solar cells (DSSCs) has shown tremendous improvement with promising findings. It has become one of the alternative options in replacing conventional silicon-based photovoltaics. Recently, a study towards the flexible form of solar cells has gained the attention of researchers. The features possess...
Article
The use of photocatalysts for water and air depollution processes that utilize light irradiation as an energy source is a well-known and popular research field. Geopolymers, as new sustainable three-dimensional porous inorganic polymers that have the potential to be tailored and used in different applications, are a novel promising candidate as ads...
Article
Full-text available
This study investigates the integrability of different alternatives of cadmium sulfide (CdS), namely, oxygenated cadmium sulfide (CdS:O) and cadmium zinc sulfide (CdZnS) as the potential window layers in CdTe thin film solar cells using SCAPS-1D and experimental fabrication. The performance parameters such as open circuit voltage (Voc), short circu...
Article
Full-text available
The increasing energy demand and expansion of power plants are provoking the effects of greenhouse gas emissions and global warming. To mitigate these issues, renewable energies (like solar, wind, and hydropower) are blessings for modern energy sectors. The study focuses on wind-speed prediction in energy forecasting applications. This paper is a c...
Article
In this work, cadmium telluride (CdTe) thin film was deposited in vacuum (pure argon ambient) as well as different argon (Ar) and oxygen (O2) ambient conditions using close-spaced sublimation (CSS) method at the deposition pressure of 1 Torr. The deposited films were characterized via X-ray Diffraction (XRD), Scanning Electron Microscope (SEM), UV-...
Article
Cubic Silicon Carbide (3C–SiC) is a potential material for use in photovoltaics for its significant advancement in growth in terms of crystal quality and domain size. Hence, 3C–SiC has been introduced here as an alternative non-toxic buffer layer for heterojunction CdTe solar cell. The solar cell is designed for the study consisted of multi-junctio...
Chapter
Photovoltaic (PV) output is calculated in efficiency, which quantifies incident solar irradiation transformed into electricity on a PV module surface. Particularly, the performance is influenced by local environment, such as solar irradiance, temperature, light incident angle, soiling, etc., and own factors, such as solar cell types and efficiency...
Chapter
Polysaccharides are renewable and biodegradable polymers that possess varieties of functional groups such as carboxyl, hydroxyl, and amino groups. Being high reactive, these functional groups allow modification of polysaccharides with various molecules to prepared building blocks for synthesis of different types of composites for various applicatio...
Chapter
The packaging industry needs potential materials to ensure the safety and prolong the shelf life of food and drugs. Polymer nanocomposites have been introduced as promising materials for the packaging of foods and drugs because of their customizable properties. This chapter highlights the current nanotechnology developments being exploited for sust...
Chapter
This paper reports on the nanohardness properties of copper-based metal-organic framework (MOF-199) synthesized in-house by facile method fabricated into bulk adsorbents by binder-less compression and into thin-film by screen-printing. 13 mm diameter bulk adsorbents were prepared for four different materials 1) MOF-199, 2) zeolite 13X, 3) activated...
Article
Full-text available
Perovskite solar cells (PSCs) have already achieved efficiencies of over 25%; however, their instability and degradation in the operational environment have prevented them from becoming commercially viable. Understanding the degradation mechanism, as well as improving the fabrication technique for achieving high-quality perovskite films, is crucial...
Article
Full-text available
Zirconia based metal-organic framework (Zr-MOF) is widely known as hydro-stable and thermally stable MOF structures. However, general synthesis method of Zr-MOF usually employed chloride-based materials to enhance overall crystallinity. The use of chloride-based compounds may hinder the scale-up production of Zr-MOF as it generates scheduled liquid...
Article
Full-text available
Land use and land cover (LULC) change is considered among the most discussed issues associated with development nowadays. It is necessary to provide factual and up-to-date information to policymakers to fulfil the increasing population’s food, work, and habitation needs while ensuring environmental sustainability. Geographical Information System (G...
Article
Full-text available
In this study, chromium (Cr)-doped nickel oxide (NiO) thin films were deposited by employing selective lateral doping of Cr in NiO by radio-frequency magnetron sputtering at different doping times ranging from 0 s (undoped) to 80 s. The structural, optical, and electrical properties of the resulting Cr-doped NiO thin films were investigated. Struct...
Article
Full-text available
Citation: Jamal, M.S.; Sobayel, K.; Misran, H.; Nasrin, T.; Althubeiti, K.; Alkhammash, H.I.; Shahiduzzaman, M.; Sopian, K.; Amin, N.; Akhtaruzzaman, M. Effect of Selective Lateral Chromium Doping by RF Magnetron Sputtering on the Structural, and Opto-Electrical Properties of Nickel Oxide. Appl. Sci.
Article
Unambiguously layer by layer (LBL) assembly of graphene quantum dots (GQDs), and dye (GQDs/dye) on TiO2 photoanode is the traditional and straightforward approach in the fabrication of graphene quantum dot-cosensitized solar cells (QDSSCs). Unfortunately, limited light absorption and low affinity of GQDs to TiO2 surface shadow the advantages of LBL...
Article
Full-text available
Distributed generation (DG) is gaining importance as electrical energy demand increases. DG is used to decrease power losses, operating costs, and improve voltage stability. Most DG resources have less environmental impact. In a particular region, the sizing and location of DG resources significantly affect the planned DG integrated distribution ne...
Article
Full-text available
An ideal n-i-p perovskite solar cell employing a Pb free CH3NH3SnI3 absorber layer was suggested and modelled. A comparative study for different electron transport materials has been performed for three devices keeping CuO hole transport material (HTL) constant. SCAPS-1D numerical simulator is used to quantify the effects of amphoteric defect based...
Book
Introduces the basic concepts of different photovoltaic cells to audiences from a wide variety of academic backgrounds Consists of working principles of a particular category of solar technology followed by dissection of every component within the architecture Crucial experimental procedures for the fabrication of solar cell devices are introduced,...
Article
Dye-sensitized solar cells (DSSCs) are potential candidates for the latest solar cell technologies because of their advantages: low manufacturing cost, flexibility, light weight, easy processing, color variety, and translucent features. However, an important DSSC component, the sensitizer, still has an inefficient sunlight absorption profile, reduc...
Conference Paper
Full-text available
Recently, quantum dot intermediate band solar cell (QDIBSC) becomes increasingly popular among researchers due to the low efficiency of different types of first and second generation solar cells. QDIBSC can produce high efficiency by utilizing photons having energy lower than the bandgap energy of absorber material. Power conversion efficiency (PCE...
Article
The structural, morphological and optoelectrical characteristics of cadmium sulfide (CdS) thin films grown on ultra-thin glass substrates via Radio Frequency (RF) magnetron sputtering and chemical bath deposition (CBD) have been explored in this study. CdS thin films were characterized using the X-ray Diffraction (XRD), Field Emission Scanning Elec...
Article
Zirconium-based metal–organic gels (Zr-MOG) was introduced to overcome the drawbacks such as macro-shaping and poor hydrostability of as-synthesized metal–organic frameworks in microcrystalline powder in industrial applications. Zirconium nitrate oxyhydrate and dicarboxylic acid were initially used as organic ligands to form a soft supramolecular s...
Article
The cadmium telluride (CdTe) solar cells are the most widely used high efficiency thin film solar cells that have shown stable performance over a long time. Although being a frontier in thin film technology, the performance of CdTe solar cells is setback by pinhole effects when thin CdS buffer layers are used in devices for compensating the spectra...
Article
Full-text available
The influence of Molybdenum diselenide (MoSe2) as an interfacial layer between Cu(In,Ga)Se2 (CIGS) absorber layer and Molybdenum (Mo) back contact in a conventional CIGS thin-film solar cell was investigated numerically using SCAPS-1D (a Solar Cell Capacitance Simulator). Using graded bandgap profile of the absorber layer that consist of both back...
Conference Paper
This paper proposes an Internet of Thing (IoT)- enabled smart plug socket (SPS) to monitor and control energy consumption in a home/building energy management system. The device can wirelessly transmit data to a home energy management (HEM) controller. Additionally, the transmitted data can visualize, store, and analyze through the connected web se...
Article
Due to the efficiency limit placed by Shockley-Queisser for the single junction solar cells, interest has now shifted to the design and fabrication of cost-effective and more efficient multijunction or tandem solar cells. In this study, wxAMPS 3.0 numerical simulation software has been used in designing and optimizing a CdTe/Si based tandem solar c...
Article
Full-text available
In this paper, artificial neural network (ANN) based Levenberg-Marquardt (LM), Bayesian Regularization (BR) and Scaled Conjugate Gradient (SCG) algorithms are deployed in maximum power point tracking (MPPT) energy harvesting in solar photovoltaic (PV) system to forge a comparative performance analysis of the three different algorithms. A comparativ...
Article
Over the last decade, optically transparent antennas have been the focus of study for applications ranging from satellite networking to window embedded telecommunications. In this letter, the feasibility of DC-sputtered GZO thin films as an active material for transparent antenna application is briefly investigated. We commence by showing that the...
Article
Full-text available
Tungsten disulfide (WS2) thin films were deposited on soda-lime glass (SLG) substrates using radio frequency (RF) magnetron sputtering at different Ar flow rates (3 to 7 sccm). The effect of Ar flow rates on the structural, morphology, and electrical properties of the WS2 thin films was investigated thoroughly. Structural analysis exhibited that al...
Article
Full-text available
The reliability of photovoltaic (PV) modules operating under various weather conditions attracts the manufacturer’s concern since several studies reveal a degradation rate higher than 0.8% per year for the silicon-based technology and reached up to 2.76% per year in a harsh climate. The lifetime of the PV modules is decreased because of numerous de...
Article
This study elucidates a comprehensive comparative study on the structural, morphological and electrical characteristics of cadmium telluride (CdTe) thin films grown on ultra-thin glass (UTG) substrates via close-spaced sublimation (CSS) and RF magnetron sputtering. Deposited CdTe films were characterized utilizing the X-ray Diffraction (XRD), Field...
Article
Full-text available
Conventional wireless sensor networks (WSNs) in smart home-building (SHB) are typically driven by batteries, limiting their lifespan and the maximum number of deployable units. To satisfy the energy demand for the next generation of SHB which can interconnect WSNs to make the internet of smart home-building (IoSHB), this study introduces the design...
Article
Full-text available
Generation of energy across the world is today reliant majorly on fossil fuels. The burning of these fuels is growing in line with the increase in the demand for energy globally. Consequently, climate change, air contamination, and energy security issues are rising as well. An efficient alternative to this grave hazard is the speedy substitution of...
Article
Full-text available
Starch and cellulose have long been used in various industrial applications as gelating agents. In this work, the intrinsic adhesive properties of these biopolymers are exploited for application as electrolytes in DSSC. Firstly, potato starch was chemically modified into phthaloyl starch in a facile esterification process. Fabrication of polymer el...
Article
Full-text available
Tungsten oxide (WOX), an n-type transition metal oxide semiconductor, has been widely investigated due to mainly its optoelectronic properties. This study primarily aimed to examine the influence of oxygen concentration on the structural and optical properties of WOX films. Herein, WOX thin films have been prepared by the reactive sputtering method...
Article
The conditions under which thin films are deposited are the most important parameter determining the physical performance of devices. In this work, we present the effect of preheating temperatures under N2 ambient conditions on the quality of Cu2ZnSnS4 (CZTS) thin films. Herein we are interested in the structural, morphological, vibrational, optica...
Chapter
Full-text available
The performance of photovoltaic (PV) solar cells is influenced by solar irradiance as well as temperature. Particularly, the average photon energy of the solar spectrum is different for low and high light intensity, which influences the photocurrent generation by the PV cells. Even if the irradiance level and the operating temperature remain consta...
Article
This work illustrates the potential applications of the raw cotton shell (RCS) and cotton shell biochar (CSB) in the remediation of sulfate contaminants from aqueous solvents. Comprehensively, optimal batch and adsorption kinetics of sulfate by RCS and CSB were intensively analyzed and determined by varying the adsorption parameters. For RCS, the o...
Article
Full-text available
Organic–inorganic perovskite solar cells (PSCs) have recently emerged as a potential candidate for large-scale and low-cost photovoltaic devices. However, the technology is still susceptible to degradation issues and toxicity concerns due to the presence of lead (Pb). Therefore, investigation on ideal methods to deal with PSC wastes once the device...
Conference Paper
This study proposes a telehealth device that can be used by nurses, attendants and physicians to differentiate between patients who need timely or urgent consideration. Home-bound patients with minimal portability and decreased capacity can use this gadget to call for appropriate assistance. The proposed telehealth-internet of things (IoT) device a...
Conference Paper
Full-text available
This study proposes a telehealth device that can be used by nurses, attendants and physicians to differentiate between patients who need timely or urgent consideration. Home-bound patients with minimal portability and decreased capacity can use this gadget to call for appropriate assistance. The proposed telehealth-internet of things (IoT) device a...
Article
Full-text available
In this paper, an integrated thermoelectric (TE) and photovoltaic (PV) hybrid energy harvesting system (HEHS) is proposed for self-powered internet of thing (IoT)-enabled wireless sensor networks (WSNs). The proposed system can run at a minimum of 0.8 V input voltage under in-door light illumination of at least 50 lux and a minimum temperature diff...
Article
Full-text available
A non-invasive, low-powered, and portable electromagnetic (EM) head imaging system is presented using metamaterial (MTM) loaded compact directional 3D antenna. The antenna consists of two slotted dipole elements with 2×3 and 3×3 finite MTM array elements in top and ground, respectively, and folded parasitic elements that operate within the frequenc...
Article
A detailed comparative analysis using alternative Cl compounds such as InCl2, MgCl2, SnCl2, and ZnCl2 along with CdCl2 was conducted in this study to assess their viability for the thermal treatment of ultrathin CdTe films. Similar or even better structural and electrical properties were found upon using InCl2, MgCl2, and ZnCl2 in thermal treatment...
Article
Full-text available
Air water-harvesting systems are considered important technologies for overcoming the global water scarcity issue. Various relative humidity and cost considerations make sorbent-based air water-harvesting systems the most desirable technologies among current air water-harvesting systems. The limited availability of commercial instruments for air–wa...
Article
In this study, we present the structural, optical and electronic properties of zinc blende cadmium sulfide (CdS) and cadmium telluride (CdTe) as well as the intermixed zinc blende ternary CdS1-xTex compound with the compositional variation of group VI (S, Te) elements. The density functional theory (DFT) method by incorporating the Hubbard model ha...
Article
Fabrication of quasi-solid state polymer electrolytes are recently being endorsed by electrochemists due to its superior electrical and physical properties. With the aspiration to develop a sustainable electrolyte component, this study is a novel attempt to fabricate quasi-solid electrolyte based on esterified starch. Potato starch was chemically m...
Article
Full-text available
This paper presents a comprehensive review of machine learning (ML) based approaches, especially artificial neural networks (ANNs) in time series data prediction problems. According to literature, around 80% of the world’s total energy demand is supplied either through fuel-based sources such as oil, gas, and coal or through nuclear-based sources....
Preprint
Full-text available
Unambiguously layer by layer (LBL) assembly of graphene quantum dots (GQDs) and dye (GQDs/dye) on TiO 2 photoanode is the traditional and straightforward approach in the fabrication of graphene quantum dot-sensitized solar cells (QDSSCs). Unfortunately, limited light absorption and low affinity of GQDs to TiO 2 surface shadow the advantages of LBL...
Article
Full-text available
To increase energy demand, reliability, and increasing efficiency, thin-film solar cells get the main focus. Various types of solar cell like (Cu(In,Ga)Se2 (CIGS), Cadmium telluride (CdTe) and copper zinc tin sulfide (CZTS) based absorber compound now eliminated by CTS (Cu2SnS3) for different reason like toxicity, shortage and structural complexity...
Article
Full-text available
Cadmium selenide (CdSe) thin films were grown on borosilicate glass substrates using the RF magnetron sputtering method. In this study, CdSe thin film was deposited at a deposition temperature in the range of 25 °C to 400 °C. The influence of deposition or growth temperature on the structural, morphological, and opto-electrical properties of CdSe f...