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Built-in voltage of organic bulk heterojuction p-i-n solar cells measured by electroabsorption spectroscopy

Abstract:

We investigate the influence of the built-in voltage on the performance of organic bulk heterojuction solar cells that are based on a p-i-n structure. Electrical doping in the hole and the electron transport layer allows to tune their work function and hence to adjust the built-in voltage: Changing the doping concentration from 0.5 to 32 wt% induces a shift of the work function towards the transport levels and increases the built-in voltage. To determine the built-in voltage, we use electroab...

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Publisher copy:
10.1063/1.4873597

Authors


Publisher:
American Institute of Physics Inc.
Journal:
AIP Advances
Volume:
4
Issue:
4
Pages:
047134-047134
Publication date:
2014-01-01
DOI:
EISSN:
2158-3226
Language:
English
Pubs id:
pubs:464735
UUID:
uuid:39303e5f-0e0c-46bc-a38e-d52458fd7c05
Local pid:
pubs:464735
Source identifiers:
464735
Deposit date:
2014-06-19

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