9.2%-efficient core-shell structured antimony selenide nanorod array solar cells

被引：619

作者：

Li, Zhiqiang ^{[1
]}

Liang, Xiaoyang ^{[1
]}

Li, Gang ^{[1
]}

Liu, Haixu ^{[1
]}

Zhang, Huiyu ^{[1
]}

Guo, Jianxin ^{[1
]}

Chen, Jingwei ^{[1
]}

Shen, Kai ^{[2
]}

San, Xingyuan ^{[1
]}

Yu, Wei ^{[1
]}

Schropp, Ruud E. I. ^{[2
]}

Mai, Yaohua ^{[2
]}

机构：

[1] Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat Mat, Baoding 071002, Peoples R China

[2] Jinan Univ, Coll Informat Sci & Technol, Inst New Energy Technol, Guangzhou 510632, Guangdong, Peoples R China

来源：

NATURE COMMUNICATIONS | 2019年 / 10卷 / 1期

基金：

中国国家自然科学基金;

关键词：

THIN-FILMS; SB2SE3; PERFORMANCE;

D O I：

10.1038/s41467-018-07903-6

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Antimony selenide (Sb2Se3) has a one-dimensional (1D) crystal structure comprising of covalently bonded (Sb4Se6)(n) ribbons stacking together through van der Waals force. This special structure results in anisotropic optical and electrical properties. Currently, the photovoltaic device performance is dominated by the grain orientation in the Sb2Se3 thin film absorbers. Effective approaches to enhance the carrier collection and overall power-conversion efficiency are urgently required. Here, we report the construction of Sb2Se3 solar cells with high-quality Sb2Se3 nanorod arrays absorber along the [001] direction, which is beneficial for sun-light absorption and charge carrier extraction. An efficiency of 9.2%, which is the highest value reported so far for this type of solar cells, is achieved by junction interface engineering. Our cell design provides an approach to further improve the efficiency of Sb2Se3-based solar cells.

引用

页数：9

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