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唐建新教授课题组在Advanced Energy Materials上发表文章
发布时间:2017-8-7 12:10:05 点击:

题目:

Enhanced Light Harvesting in Perovskite Solar Cells by a Bioinspired Nanostructured Back Electrode


作者:

Jian Wei,1 Rui-Peng Xu, 1 Yan-Qing Li, 1,* Chi Li, 1 Jing-De Chen,1 Xin-Dong Zhao,1 Zhong-Zhi Xie,1 Chun-Sing Lee,2,* Wen-Jun Zhang,3 and Jian-Xin Tang1,*


单位:

1Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Soochow University, Suzhou 215123, China

2Center of Super-Diamond and Advanced Film (COSADF), Department of Chemistry, City University of Hong Kong, Hong Kong SAR, China

3Center of Super-Diamond and Advanced Film (COSADF), Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, China


摘要:

Light management holds great promise of realizing high-performance perovskite solar cells by improving the sunlight absorption with lower recombination current and thus higher power conversion efficiency (PCE). Here, a convenient and scalable light trapping scheme is demonstrated by incorporating bioinspired moth-eye nanostructures into the metal back electrode via soft imprinting technique to enhance the light harvesting in organic–inorganic lead halide perovskite solar cells. Compared to the flat reference cell with a methylammonium lead halide perovskite (CH3NH3PbI3-xClx) absorber, 14.3% of short-circuit current improvement is achieved for the patterned devices with moth-eye nanostructures, yielding an increased PCE up to 16.31% without sacrificing the open-circuit voltage and fill factor. The experimental and theoretical characterizations verify that the cell performance enhancement is mainly ascribed by the broadband polarization-insensitive light scattering and surface plasmonic effects due to the patterned metal back electrode. It is noteworthy that this light trapping strategy is fully compatible with solution-processed perovskite solar cells and opens up many opportunities toward the future photovoltaic applications.


影响因子:

16.721


分区情况:

一区


链接:

http://onlinelibrary.wiley.com/doi/10.1002/aenm.201700492/full



责任编辑:向丹婷



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