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唐建新教授课题组在Advanced Materials上发表论文
发布时间:2018-10-10 点击:10

题目:

Polymer Solar Cells with 90% External Quantum Efficiency Featuring an Ideal Light- and Charge-Manipulation Layer


作者:

Jing-De Chen1, Yan-Qing Li1, Jingshuai Zhu2, Qianqian Zhang3, Rui-Peng Xu1, Chi Li1, Yue-Xing Zhang1, Jing-Sheng Huang1, Xiaowei Zhan2, Wei You3, and Jian-Xin Tang1*


单位:

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

2 Department of Materials Science and Engineering, College of Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education Peking University, Beijing 100871, China

3Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3290, USA


摘要:

Rapid progress in the power conversion efficiency (PCE) of polymer solar cells (PSEs) is beneficial from the factors that match the irradiated solar spectrum, maximize incident light absorption, and reduce photogenerated charge recombination. To optimize the device efficiency, a nanopatterned ZnO:Al2O3 composite film is presented as an efficient light- and charge-manipulation layer (LCML). The Al2O3 shells on the ZnO nanoparticles offer the passivation effect that allows optimal electron collection by suppressing charge-recombination loss. Both the increased refractive index and the patterned deterministic aperiodic nanostructure in the ZnO:Al2O3 LCML cause broadband light harvesting. Highly efficient single-junction PSCs for different binary blends are obtained with a peak external quantum efficiency of up to 90%, showing certified PCEs of 9.69% and 13.03% for a fullerene blend of PTB7:PC71BM and a nonfullerene blend, FTAZ:IDIC, respectively. Because of the substantial increase in efficiency, this method unlocks the full potential of the ZnO:Al2O3 LCML toward future photovoltaic applications.


影响因子:

21.95


分区情况:

一区


链接:

https://onlinelibrary.wiley.com/doi/full/10.1002/adma.201706083

  

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