
Pramitha Yuniar Diah MaulidaNano Center Indonesia · Applied Physics and Chemistry
Pramitha Yuniar Diah Maulida
Bachelor of Science
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18
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Publications (18)
Lead halide perovskites have shown impressive potential in the field of optoelectronics, but their toxicity has prompted exploration into alternative materials such as copper-based perovskites. The synthesis of these materials typically involves solution processing with hazardous chemicals, highlighting the necessity for more environmentally friend...
In recent years, the investigation of 2D hybrid perovskite structures has become increasingly popular. However, there is a gap in the vibrational behavior of lead-free halide perovskites, especially Cu types. In this study, X2CuCl4 was used (X = MA, EA, PMA, and PEA) as samples which were analyzed by FTIR and Raman spectroscopy. With increasing cha...
Recently, two-dimensional hybrid organic-inorganic perovskites (2D-HOIPs) have emerged in popularity due to ease of tunability in terms of the structure and properties. However, a systematic chemistry and physical description of cobalt-based system is lacking. In this study, we employ X-ray diffraction, Raman spectroscopy and electrochemical impeda...
Bismuth-based hybrid organic-inorganic perovskites (Bi-HOIPs) are developed as lead-free halide perovskites due to their low toxicity and good stability. In this study, the incorporation of ionic liquid (IL) cations in the Bi-HOIPs structure, namely 1-butyl-1-methylpyrrolidinium (BMP) and 1-(3-aminopropyl) imidazole (API), are investigated. Bi-base...
In the past decades, halide perovskites and chalcogenide materials have provided significant contributions to the vast development for optoelectronic applications. Halide perovskites are known for their tunable properties, while chalcogenides are known for their high efficiency. The combination of these types of materials as heterostructures is tho...
The recent surge of interest in low-dimensional lead-free copper halide perovskites (CHPs) has driven significant progress in optoelectronics and scintillating materials. However, the development of green-based synthetic routes for CHPs, aimed at creating fast-decaying scintillators with ultrasensitive X-ray detection, remains elusive. In this stud...
Rational design is an important approach to consider in the
development of low-dimensional hybrid organic−inorganic perovskites (HOIPs). In this study, 1-butyl-1-methyl pyrrolidinium (BMP), 1-(3-aminopropyl)imidazole (API), and 1-butyl-3-methyl imidazolium (BMI) serve as prototypical ionic liquid components in bismuth-based HOIPs. Element-sensitive...
The intricate role of temperature in the structure–property relationship of manganese oxide nanoparticles (Mn3O4 NPs) remains an open question. In this study, we successfully synthesized Mn3O4 NPs using the hydrothermal method with two differing temperatures, namely, 90 and 150 °C. Interestingly, a smaller average particle size is found when Mn3O4...
Black phosphorus (BP) is incorporated in the electrochemical detection of uric acid (UA) to form few layers of BP nanosheets (BPNS)-modified glassy carbon electrodes (BPNS/GCE), investigated by means of ultrasound-assisted liquid-phase exfoliation. We find a significant increase in the peak current magnitude and positive potential shift in the elec...
The emergence of two-dimensional (2D) hybrid metal-halide perovskites has garnered significant attentions for optoelectronic devices and light-emitting applications. Since the toxicity of lead-based perovskites could potentially be harmful to the environment, several works have attempted to change the active metal to tin (Sn). Here, we investigate...
Graphenic carbon (GC) has been successfully synthesized from biomass (coconut shell charcoal) using the liquid phase exfoliation method. The dopants, in the form of light atoms such as boron (B-GC), were introduced with the aim of improving their magnetic properties. X-ray diffraction was used to identify the GC and B-GC, and the results show broad...
There are works have reported the crystal structures and mechanical properties of ferrite cement (C4AF) at the atomic scale with deviation owing to the omission of the Coulomb interaction effect (Ueff) between 3d electrons of Fe in C4AF. In this work, the DFT+U method was used to evaluate its effect on their electronic structures and mechanical pro...
In the past decades, perovskite-based materials have demonstrated excellent performances in the wide range of applications, including chemosensing. Owing to their unique structure-property relationship, chemosensing applications become one of the point of interests that intrigued researchers from various backgrounds. Recently, several studies have...
Scintillators fabricated from organic−inorganic layered perovskites have attracted wide attention due to their excellent properties, including fast decay times, superior light yield, and high exciton binding energy. In relation to their optoelectronic properties, hybrid organic−inorganic perovskites are known for their tunability, which could be ma...
The tunable control in the inorganic octahedral framework of hybrid perovskites offers potential applications in photovoltaics, solid-state lighting, and radiation detection. However, the implication of the structure and optoelectronic properties pose challenges due to competition between organic− inorganic coupling and intraoctahedral interactions...
The PAN/TiO2/Ag nanofibers membrane for air filtration media was successfully synthesized with electrospinning method. The morphology, size, and element percentage of the nanofiber were characterized by a scanning electron microscopy-energy dispersive spectroscopy, while X-ray fluorescence and FTIR were used to observe the chemical composition. The...