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Kim, BongSoo
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Reversed organic-inorganic hybrid tandem solar cells for improved interfacial series resistances and balanced photocurrents

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Title
Reversed organic-inorganic hybrid tandem solar cells for improved interfacial series resistances and balanced photocurrents
Author
Kim, TaeheeKim, Youn-SuChoi, Jin YoungJeon, Jun HongPark, Won WoongMoon, Sun WooKim, Sung-MinHan, SeungheeKim, BongSooLee, Doh-KwonKim, HonggonKim, Jin YoungKo, Min JaeKim, Kyungkon
Keywords
Amorphous silicon;  Organic solar cells;  Hybrid tandem solar cells;  Interfacial series resistance;  Balanced photocurrents
Issue Date
201307
Publisher
ELSEVIER SCIENCE SA
Citation
SYNTHETIC METALS, v.175, no., pp.103 - 107
Abstract
We report a promising approach to fabricate organic-inorganic hybrid tandem photovoltaic devices with a reversed configuration. High bandgap hydrogenated amorphous silicon (a-Si:H) was deposited with plasma-enhanced chemical vapor deposition onto a solution-processed low bandgap organic photovoltaic (OPV) subcell. Two important factors for efficient tandem solar cells, interfacial series resistance (R-S,R-int) and balanced photocurrents, were investigated. The intimate interfacial contact eliminated the R-S,R-int, and sufficient transmittance of the OPV front subcell led to the well-balanced photocurrents. As a result, this reversed hybrid tandem device showed an enhanced efficiency of 3.3% and an open-circuit voltage of 1.51 V.
URI
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DOI
http://dx.doi.org/10.1016/j.synthmet.2013.05.002
ISSN
0379-6779
Appears in Collections:
SNS_Journal Papers
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