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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201405284
|2 doi
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|a eng
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|a Zhong, Chengmei
|e verfasserin
|4 aut
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|a Ultrafast charge transfer in operating bulk heterojunction solar cells
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|c 2015
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|a Text
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|a ƒaComputermedien
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|a Date Completed 15.05.2015
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a The ultrafast charge generation process in organic solar cell devices is investigated by transient reflection spectroscopy on five state-of-the-art bulk heterojunction systems. The charge generation process in operating devices is found to be a combination of an ultrafast generation mechanism over several hundred femto-seconds and a slow process from pico-seconds to nanoseconds, limited by exciton diffusion dynamics. In addition, the lack of electric field dependence in the charge dynamics rules out geminate recombination as an important loss mechanism
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|a Journal Article
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|a bulk heterojunctions
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|a organic solar cells
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|a transient reflection spectroscopy
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|a ultrafast charge transfer
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|a Choi, Hyosung
|e verfasserin
|4 aut
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|a Kim, Jin Young
|e verfasserin
|4 aut
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|a Woo, Han Young
|e verfasserin
|4 aut
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|a Nguyen, Thanh Luan
|e verfasserin
|4 aut
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|a Huang, Fei
|e verfasserin
|4 aut
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|a Cao, Yong
|e verfasserin
|4 aut
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|a Heeger, Alan J
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 27(2015), 12 vom: 25. März, Seite 2036-41
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|x 1521-4095
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|g volume:27
|g year:2015
|g number:12
|g day:25
|g month:03
|g pages:2036-41
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|u http://dx.doi.org/10.1002/adma.201405284
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