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Abstract:
[6,6]-Phenyl-C61-butyric acid-4′-hydroxyl-azobenzene ester (PCBAb) was synthesized and used as the acceptor in the fabrication of reversible UV-VIS response bi-state polymer solar cells (PSCs) based on the photoinduced cis-trans isomerization of PCBAb. The device can be switched between 'active' and 'sleep' by the irradiation of UV and visible light, respectively. The active device has a PCE of 2.0%. With UV irradiation, the device goes to 'sleep' with a lowered PCE (0.4%), and simultaneously decreased Jsc, Voc and FF, while after visible light treatment, the device is made 'active' again. The mechanism of the bi-state process involves the different electron mobilities of the isomers. © 2015 Elsevier B.V. All rights reserved.
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Organic Electronics
ISSN: 1566-1199
Year: 2015
Volume: 23
Page: 1-4
3 . 4 7 1
JCR@2015
2 . 7 0 0
JCR@2023
ESI HC Threshold:200
JCR Journal Grade:1
CAS Journal Grade:2
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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