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

Title
Reversed organic-inorganic hybrid tandem solar cells for improved interfacial series resistances and balanced photocurrents
Authors
김태희김연수최진영전준홍박원웅문선우김성민한승희김봉수이도권김홍곤김진영고민재김경곤
Keywords
Amorphous silicon; Organic solar cells; Hybrid tandem solar cells; Interfacial series resistance; Balanced photocurrents
Issue Date
2013-07
Publisher
Synthetic metals
Citation
VOL 175, 103-107
Abstract
We report a promising approach to fabricate organic–inorganic hybrid tandem photovoltaic deviceswith a reversed configuration. High bandgap hydrogenated amorphous silicon (a-Si:H) was depositedwith plasma-enhanced chemical vapor deposition onto a solution-processed low bandgap organic pho-tovoltaic (OPV) subcell. Two important factors for efficient tandem solar cells, interfacial series resistance(RS,int) and balanced photocurrents, were investigated. The intimate interfacial contact eliminated theRS,int, and sufficient transmittance of the OPV front subcell led to the well-balanced photocurrents. As aresult, this reversed hybrid tandem device showed an enhanced efficiency of 3.3% and an open-circuitvoltage of 1.51 V.
URI
http://pubs.kist.re.kr/handle/201004/45001
ISSN
03796779
Appears in Collections:
KIST Publication > Article
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