A High-Efficiency Si Nanowire Array/Perovskite Hybrid Solar Cell

被引：17
作者：
Yan, Xin [1 ]
Zhang, Chen [1 ]
Wang, Jiamin [1 ]
Zhang, Xia [1 ]
Ren, Xiaomin [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China
来源：
NANOSCALE RESEARCH LETTERS | 2017年 / 12卷
基金：
中国国家自然科学基金; 北京市自然科学基金;
关键词：
Nanowire; Perovskite; Solar cell; Si; PERFORMANCE; PLANAR;
D O I：
10.1186/s11671-016-1785-y
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A low-cost Si nanowire array/perovskite hybrid solar cell is proposed and simulated. The solar cell consists of a Si p-i-n nanowire array filled with CH3NH3PbI3, in which both the nanowires and perovskite absorb the incident light while the nanowires act as the channels for transporting photo-generated electrons and holes. The hybrid structure has a high absorption efficiency in a broad wavelength range of 300 similar to 800 nm. A large short-circuit current density of 28.8 mA/cm(2) and remarkable conversion efficiency of 13.3% are obtained at a thin absorber thickness of 1.6 mu m, which are comparable to the best results of III-V nanowire solar cells.
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