Ion migration mechanism in all-inorganic Ruddlesden-Popper lead halide perovskites by first-principles calculations

2021 ◽  
Author(s):  
Shuai Zhao ◽  
Li Xiao
Keyword(s):  
First Principles ◽  
Phase Segregation ◽  
Light Illumination ◽  
First Principles Calculations ◽  
Ion Migration ◽  
Migration Mechanism ◽  
Halide Perovskites ◽  
Interface Passivation ◽  
Complex Phenomena ◽  
Lead Halide

Ion migration under the light illumination or electric field could cause several complex phenomena such as hysteresis, phase segregation, and interface passivation in optoelectronic devices based on hybrid organic–inorganic perovskites....

scholarly journals Ethylammonium as an alternative cation for efficient perovskite solar cells from first-principles calculations

RSC Advances ◽  
2019 ◽  
Vol 9 (13) ◽  
pp. 7356-7361 ◽  
Author(s):  
Diwen Liu ◽  
Qiaohong Li ◽  
Kechen Wu
Keyword(s):  
Solar Cells ◽  
First Principles ◽  
Perovskite Solar Cells ◽  
First Principles Calculations ◽  
New Class ◽  
Photovoltaic Materials ◽  
Mixed Cation ◽  
Halide Perovskites ◽  
Lead Halide

Mixed-cation lead halide perovskites have emerged as a new class of promising photovoltaic materials for perovskite solar cells.

First-principles study on the electronic and optical properties of the orthorhombic CsPbBr3 and CsPbI3 with Cmcm space group

2021 ◽  
Author(s):  
Xianhao Zhao ◽  
Tianyu Tang ◽  
Quan Xie ◽  
like gao ◽  
Limin Lu ◽  
...  
Keyword(s):  
Optical Properties ◽  
Solar Cells ◽  
Energy Conversion ◽  
Conversion Efficiency ◽  
First Principles ◽  
Energy Conversion Efficiency ◽  
Space Group ◽  
Absorbing Materials ◽  
Halide Perovskites ◽  
Lead Halide

The cesium lead halide perovskites are regarded as effective candidates for light-absorbing materials in solar cells, which have shown excellent performances in experiments such as promising energy conversion efficiency. In...

scholarly journals Coexistence of light-induced photoluminescence enhancement and quenching in CH3NH3PbBr3 perovskite films

RSC Advances ◽  
2020 ◽  
Vol 10 (19) ◽  
pp. 11054-11059
Author(s):  
Haoran Lou ◽  
Chen Lin ◽  
Zhishan Fang ◽  
Li Jiang ◽  
Xiaofeng Chen ◽  
...  
Keyword(s):  
High Intensity ◽  
Light Illumination ◽  
Halide Perovskites ◽  
Photoluminescence Enhancement ◽  
Lead Halide

Light illumination with relatively high intensity can result in photoluminescence enhancement and quenching simultaneously in lead halide perovskites.

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