Multi-Length-Scale Morphologies Driven by Mixed Additives in Porphyrin-Based Organic Photovoltaics
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- 作者：Ke Gao ; Jingsheng Miao ; Liangang Xiao ; Wanyuan Deng ; Yuanyuan Kan ; Tianxiang Liang ; Cheng Wang ; Fei Huang ; Junbiao Peng ; Yong Cao ; Feng Liu ; Thomas P. Russell ; Hongbin Wu and Xiaobin Peng
- 刊名：Advanced Materials
- 出版年：2016
- 出版时间：June 15, 2016
- 年：2016
- 卷：28
- 期：23
- 页码：4727-4733
- 全文大小：2056K
- ISSN：1521-4095
文摘
A new category of deep-absorbing small molecules is developed. Optimized devices driven by mixed additives show a remarkable short-circuit current of ≈20 mA cm−2 and a highest power conversion efficiency of 9.06%. A multi-length-scale morphology is formed, which is fully characterized by resonant soft X-ray scattering, high-angle annular dark film image transmission electron microscopy, etc.