Results 21 to 30 of about 21,618 (269)

Quasi-2D lead halide perovskite gain materials toward electrical pumping laser

Nanophotonics, 2021
Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers.
Zhao Chenyang, Qin Chuanjiang
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Structural Characteristics, Stability, and Electronic Properties of 001 Surface with Point Defects of Zinc Stannate: A First-Principle Study

Inorganics, 2022
This work presents first-principles calculations on the surface and defect impact upon zinc stannate (ZS) materials with perovskite bulk structures. The structure and electronic properties of both a perfect 001 surface and surfaces with a point defect of
Jun Li, Meilin Zhu, Rou Feng, Yingjie Yuan, Zewei Fu, Liangliang Meng, Yingwu Wang, Ying Zhou, Hui Zhang, Hongcun Bai   +9 more
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Fabrication and Characterization of CH3NH3PbI3−x−yBrxCly Perovskite Solar Cells

Energies, 2016
Fabrication and characterization of CH3NH3PbI3−x−yBrxCly perovskite solar cells using mesoporous TiO2 as electron transporting layer and 2,2′,7,7′-tetrakis-(N,N-di-4-methoxyphenylamino)-9,9′-spirobifluorene as a hole-transporting layer (HTL) were ...
Atsushi Suzuki, Hiroshi Okada, Takeo Oku
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Gradient Engineered Light Absorption Layer for Enhanced Carrier Separation Efficiency in Perovskite Solar Cells

Nanoscale Research Letters, 2020
Carrier transport behavior in the perovskite light absorption layer significantly impacts the performance of perovskite solar cells (PSCs). In this work, reduced carrier recombination losses were achieved by the design of a band structure in perovskite ...
Gaozhu Wu, Qing Zhu, Teng Zhang, Ziqi Zou, Weiping Wang, Yiyan Cao, Lijing Kong, Xuanli Zheng, Yaping Wu, Xu Li, Zhiming Wu, Junyong Kang   +11 more
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Processing and characterization of lead-free ceramics on the base of sodium–potassium niobate [PDF]

Journal of Advanced Dielectrics, 2018
Lead-free sodium–potassium niobate-based piezoelectric materials are most intensively studied in order to replace the widely used Pb-based ones. In this work, the effects of modification of compositions by donor and acceptor dopants in the A- and B-sites
E. D. Politova, N. V. Golubko, G. M. Kaleva, A. V. Mosunov, N. V. Sadovskaya, S. Yu. Stefanovich, D. A. Kiselev, A. M. Kislyuk, P. K. Panda   +8 more
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Mathematical modeling of the perovskite and double perovskite crystal structures

Izvestiya Vysshikh Uchebnykh Zavedenii. Materialy Elektronnoi Tekhniki = Materials of Electronics Engineering, 2022
The paper considers the problem of modeling materials with the crystal structure of perovskite and double perovskite. Due to the high complexity of obtaining micro- and nanoscale objects, data on the structure and properties of such materials are especially important.
openaire   +1 more source

The Effect of Firing Temperatures on Phase Evolution, Microstructure, and Electrical Properties of Ba(Zr0.05Ti0.95)O3 Ceramics Prepared via Combustion Technique

Medžiagotyra, 2014
In this work, the effects of calcination temperature (900 ºC – 1200 ºC for 2 h – 6 h) and sintering temperature (1350 ºC – 1550 ºC for 2 h) on phase evolution, microstructure and electrical properties of barium zirconate titanate Ba(Zr0.05Ti0.95)O3 (BZT)
Chittakorn KORNPHOM, Theerachai BONGKARN
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Synthesis and electrochemical properties of LiyM1-xCaxMnO3 (M = Pr, Eu) solid solutions

Фізика і хімія твердого тіла, 2022
New Li-containing solid solutions LiyM1-xCaxMnO3 (M = Pr and Eu) were synthesized by electrochemical lithiation of the ceramics with perovskite structure.
V. Kordan, O. Zaremba, P. Demchenko, V. Pavlyuk   +3 more
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Optimizing Cs₂TiBr₆-Based PSCs with Graphene Quantum Dots

Engineering Proceedings, 2023
The overall efficiency and optimization of perovskite solar cells are significantly influenced by the selective layers in the cells. In this study, particular emphasis is placed on a perovskite solar cell architecture in which the charge transport layer ...
Riya Sen, Menka Yadav
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Research Progress of Semi-Transparent Perovskite and Four-Terminal Perovskite/Silicon Tandem Solar Cells

Energies
Perovskite/silicon tandem solar cells are of great interest due to their potential for breaking the Shockley-Queisser limit of single-junction silicon solar cells.
Yunlong Zhang, Long Zhou, Chunfu Zhang
doaj   +1 more source