Achieving sustainability of greenhouses by integrating stable semi-transparent organic photovoltaics

Yepin Zhao, Zongqi Li, Caner Deger, Minhuan Wang*, Miroslav Peric, Yanfeng Yin, Dong Meng, Wenxin Yang, Xinyao Wang, Qiyu Xing, Bin Chang, Elizabeth G. Scott, Yifan Zhou, Elizabeth Zhang, Ran Zheng, Jiming Bian, Yantao Shi, Ilhan Yavuz*, Kung Hwa Wei, K. N. HoukYang Yang*

*此作品的通信作者

研究成果: Article同行評審

30 引文 斯高帕斯(Scopus)

摘要

Semi-transparent organic photovoltaics (OPVs) are an emerging solar-energy-harvesting technology with promising applications, such as rooftop energy supplies for environmentally friendly greenhouses. However, the poor operational stability of OPVs poses challenges to their feasibility as incessantly serving facilities. Here we report a reductive interlayer structure for semi-transparent OPVs that improves the operational stability of OPVs under continuous solar radiation. The interlayer effectively suppresses the generation of radicals from the electron transport layer under sunlight and prevents the structural decomposition of the organic photoactive layer during operation. The defects that serve as the charge carrier recombination sites are nullified by the electron-donating functional groups of the reduced molecules, which improves photovoltaic performance. The semi-transparent OPVs demonstrate a power conversion efficiency of 13.5% and an average visible transmittance of 21.5%, with remarkable operational stability (84.8% retention after 1,008 h) under continuous illumination. Greenhouse results show that the semi-transparent OPV roof benefits the survival rate and growth of the crops, indicating the importance of our approach in addressing food and energy challenges.

原文English
頁(從 - 到)539-548
頁數10
期刊Nature Sustainability
6
發行號5
DOIs
出版狀態Published - 5月 2023

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