Organic-inorganic hybrid tandem multijunction photovoltaics with extended spectral response

Title
Organic-inorganic hybrid tandem multijunction photovoltaics with extended spectral response
Authors
김태희전준홍한승희이도권김홍곤이원목김경곤
Keywords
유기태양전지; 무기태양전지; 텐덤형 태양전지
Issue Date
2011-05
Publisher
Applied physics letters
Citation
VOL 98, NO 18, 183503-1-183503-3
Abstract
We demonstrate series-connected hybrid tandem multijunction photovoltaics by combining hydrogenated amorphous silicon (a-Si:H) and polymer-based organic photovoltaics (OPVs). To utilize the wide solar spectrum with cost-effective processes, we employed a solution-processed low band gap OPV subcell onto the a-Si:H subcell. The interfacial contact between the subcells strongly affects the photovoltaic performance of the tandem cells. By using MoO3 as an efficient hole transporting intermediate layer instead of the conventional conducting polymer, we obtained power conversion efficiency of 1.84% and open-circuit voltage (VOC) of 1.50 V which corresponds closely to the sum of VOCs of the subcells.
URI
http://pubs.kist.re.kr/handle/201004/39862
ISSN
0003-6951
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KIST Publication > Article
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