Semi-Transparent, Chiral Organic Photodiodes with Incident Direction-Dependent Selectivity for Circularly Polarized Light

© 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 35(2023), 10 vom: 28. März, Seite e2209730
1. Verfasser: Liu, Lixuan (VerfasserIn)
Weitere Verfasser: Wei, Zhixiang, Meskers, Stefan C J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article bulk-heterojunctions circularly polarized light detection semi-transparent photodiodes space-charge limited photocurrents
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520 |a Detection of the circular polarization of light is possible using chiral semiconductors, yet the mechanisms remain poorly understood. Semi-transparent chiral photodiodes allow for a simple experiment to investigate the basis of their selectivity: changing the side from which the diode is illuminated. A reversal of circular selectivity is observed in photocurrent generation when changing the direction of illumination on organic, bulk-heterojunction cells. The change in selectivity can be explained by a space-charge limitation on the collection of photocarriers in combination with preferential absorption of one of the circular polarizations of near-infrared light by the chiral non-fullerene acceptor. The space-charge limitation is supported by detailed measurements of frequency and intensity dependence of dc and ac photocurrents 
650 4 |a Journal Article 
650 4 |a bulk-heterojunctions 
650 4 |a circularly polarized light detection 
650 4 |a semi-transparent photodiodes 
650 4 |a space-charge limited photocurrents 
700 1 |a Wei, Zhixiang  |e verfasserin  |4 aut 
700 1 |a Meskers, Stefan C J  |e verfasserin  |4 aut 
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773 1 8 |g volume:35  |g year:2023  |g number:10  |g day:28  |g month:03  |g pages:e2209730 
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