Power output and carrier dynamics studies of perovskite solar cells under working conditions

被引：4

作者：

Yu, Man ^{[1
]}

Wang, Hao-Yi ^{[1
]}

Hao, Ming-Yang ^{[1
]}

Qin, Yujun ^{[1
]}

Fu, Li-Min ^{[1
]}

Zhang, Jian-Ping ^{[1
]}

Ai, Xi-Cheng ^{[1
]}

机构：

[1] Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2017年 / 19卷 / 30期

基金：

中国国家自然科学基金;

关键词：

METHYLAMMONIUM LEAD IODIDE; CIRCUIT PHOTOVOLTAGE DECAY; HALIDE PEROVSKITES; CHARGE-TRANSPORT; EFFICIENT; RECOMBINATION; PLANAR; DIFFUSION; LENGTHS; PERFORMANCE;

D O I：

10.1039/c7cp02715j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Perovskite solar cells have emerged as promising photovoltaic systems with superb power conversion efficiency. For the practical application of perovskite devices, the greatest concerns are the power output density and the related dynamics under working conditions. In this study, the working conditions of planar and mesoscopic perovskite solar cells are simulated and the power output density evolutions with the working voltage are highlighted. The planar device exhibits higher capability of outputting power than the mesoscopic one. The transient photoelectric conversion dynamics are investigated under the open circuit, short circuit and working conditions. It is found that the power output and dynamic processes are correlated intrinsically, which suggests that the power output is the competitive result of the charge carrier recombination and transport. The present work offers a unique view to elucidating the relationship between the power output and the charge carrier dynamics for perovskite solar cells in a comprehensive manner, which would be beneficial to their future practical applications.

引用

页码：19922 / 19927

页数：6

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