Статья

Spectral Engineering of Semitransparent Polymer Solar Cells for Greenhouse Applications

Hui ShiInstitute of Polymer Optoelectronic Materials and Devices State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou 510640 P. R. ChinaRuoxi XiaInstitute of Polymer Optoelectronic Materials and Devices State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou 510640 P. R. ChinaGuichuan ZhangInnovation Center for Printed Photovoltaics South China Institute of Collaborative Innovation Dongguan 523808 P. R. ChinaHin‐Lap YipInnovation Center for Printed Photovoltaics South China Institute of Collaborative Innovation Dongguan 523808 P. R. ChinaYong CaoInstitute of Polymer Optoelectronic Materials and Devices State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou 510640 P. R. China

2018en

ABI

Аннотация

Abstract In this study, a wavelength selective semitransparent polymer solar cell (ST‐PSC) with a proper transmission spectrum for plant growth is proposed for greenhouse applications. A ternary strategy combining a wide bandgap polymer donor with a near‐infrared absorbing nonfullerene acceptor and a high electron mobility fullerene acceptor is introduced to achieve PSCs with power conversion efficiency (PCE) over 10%. The addition of PC 71 BM into J52:IEICO‐4F binary blend contributes to the suppressed trap‐assisted recombination, enhanced charge extraction, and improved open‐circuit voltage simultaneously. ST‐PSC based on the J52:IEICO‐4F:PC 71 BM ternary blend shows an optimized performance with PCE of 7.75% and a defined crop growth factor of 24.8%. Such high‐performance ST‐PSC is achieved by carefully engineering the absorption spectrum of the light harvesting materials. As a result, the transmission spectra of the semitransparent devices are well‐matched with the absorption spectra of the photoreceptors, such as chlorophylls, in green plants, which provides adequate lighting conditions for photosynthesis and plant growth, and therefore making it a competitive candidate for photovoltaic greenhouse applications.

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Идентификаторы

DOI: 10.1002/aenm.201803438

Цитирования и источники

Цитирований: 2Использованных источников: 0

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