Szukaj
Wyświetlanie pozycji 1-10 z 10
Transient Photocurrent Response in a Perovskite Single Crystal-Based Photodetector: A Case Study on the Role of Electrode Spacing and Bias
(Wiley, 2023-06-16)
Transient photocurrent is a widely applied characterization technique to probe the charge-carrier photogeneration and extraction dynamics in perovskite optoelectronic devices. Despite the large number of studies on the ...
Understanding the Origin of Light Intensity and Temperature Dependence of Photodetection Properties in MAPbBr3 Single Crystal-based Photoconductor
(ACS Publications, 2023-04-05)
Methylammonium lead bromide (MAPbBr3), which belongs to the larger material family of lead halide perovskites (LHPs), has emerged as a promising semiconductor for the fabrication of single crystal (SC) based photodetectors ...
Molecular Engineering of Azahomofullerene-based Electron Transporting Materials for Efficient and Stable Perovskite Solar Cells
(ACS Publications, 2023-09-22)
The rational molecular design of fullerene-based
molecules with exceptional physical and electrical properties is in high demand to ensure efficient charge transport at the perovskite/electron transport layer interface. ...
Revealing the Variation of Photodetectivity in MAPbI3 and MAPb(I0.88Br0.12)3 Single Crystal Based Photodetectors Under Electrical Poling-Induced Polarization
(ACS Publications, 2022-07-28)
The use of electrical poling to induce polarization
potential has been found to increase the photocurrent (Ilight) in
hybrid perovskite-based devices; however, the origin of this process
has not been fully understood. ...
Metal-Doped MAPbBr3 Single Crystal p-n Junction Photodiode for Self-Powered Photodetection
(Wiley, 2023-12-21)
Lead halide perovskites have emerged as the next-generation materials for self-powered photodetectors enabling operation without an external power
source. In this study, a planar-type photodetector based on metal-doped ...
Interpretation of Resistance, Capacitance, Defect Density, and Activation Energy Levels in Single-Crystalline MAPbI3
(American Chemical Society, 2020)
Hybrid inorganic–organic lead halide perovskites have attracted a significant research interest in the last 10 years due to their broad-area applications in optoelectronic devices such as solar cells, lasers, photodetectors, ...
Elucidation of the role of guanidinium incorporation in single-crystalline MAPbI3 perovskite on ion migration and activation energy
(Royal Society of Chemistry, 2020)
Ion migration plays a significant role in the overall stability and power conversion efficiency of perovskite solar cells (PSCs). This process was found to be influenced by the compositional engineering of the A-site cation ...
Effect of Bromine Doping on Charge Transfer, Ion Migration and Stability of the Single Crystalline MAPb(BrxI1−x)3 Photodetector
(Royal Society of Chemistry, 2021-10-19)
Organic-inorganic halide perovskites (OIHPs) have emerged as a promising semiconductor for the fabrication of efficient optoelectronic devices such as photodetectors (PDs). Among all perovskite composition, the mixed-halide ...
Molecular modification of spiro[fluorene-9,90- xanthene]-based dopant-free hole transporting materials for perovskite solar cells
(Royal Society of Chemistry, 2024-02-20)
The molecular engineering of organic hole-transporting materials (HTMs) plays an important role in enhancing the performance and stability of perovskite solar cells (PSCs) as well as reducing their
fabrication cost. Here, ...
Ionic liquid-assisted growth of high-quality methylammonium lead bromide single crystals for photodetection applications
(Royal Society of Chemistry, 2024-01-20)
The control of nucleation temperature and growth kinetics during inverse temperature crystallization
(ITC) is critical for achieving high-quality perovskite single crystals (SCs) for various optoelectronic applications. ...