期刊
ACS NANO
卷 14, 期 5, 页码 5998-6006出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsnano.0c01517
关键词
semitransparent organic solar cells; color purity; visual aesthetic; beetle cuticle; long-term stability
类别
资金
- National Natural Science Foundation of China [61520106012, 61905171, 61722404, 51873138]
- Natural Science Foundation of Jiangsu Province of China [BK20190815]
- 333 Program [BRA2019061]
- Collaborative Innovation Center of Suzhou Nano Science Technology
- Office of Naval Research [N00014-17-1-2201, N00014-14-1-0246, N00014-17-1-2260]
The visual aesthetic that involves color, brightness, and glossiness is of great importance for building integrated photovoltaics. Semitransparent organic solar cells (ST-OSCs) are thus considered as the most promising candidate due to their superiority in transparency and efficiency. However, the realization of high color purity with narrow bandpass transmitted light usually causes the severely suppressed transparency in ST-OSCs. Herein, we present a spectrally selective electrode (SSE) by imitating the integrating strategy of beetle cuticle for achieving narrow bandpass ST-OSCs with high efficiency and long-term stability. The proposed SSE allows for efficient light-selective passage, leading to tunable narrow bandpass transmitted light from violet to red. An optimized power conversion efficiency of 15.07% is achieved for colorful ST-OSCs, which exhibit color purity close to 100% and a peak transmittance approaching 30%. Long-term stability is also improved for ST-OSCs made with this SSE due to the light-rejecting and the moisture-blocking abilities. The realization of bright and colorful ST-OSCs also indicates the application potential of SSEs in light-emitting diodes, lasers, and photodetectors.
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