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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
Kim T.Kim Y.-S.Choi J.Y.Jeon J.H.Park W.W.Moon S.W.Kim S.-M.Han S.Kim B.Lee D.-K.Kim H.Kim J.Y.Ko M.J.Kim K.
Ewha Authors
김경곤
SCOPUS Author ID
김경곤scopus
Issue Date
2013
Journal Title
Synthetic Metals
ISSN
0379-6779JCR Link
Citation
vol. 175, pp. 103 - 107
Indexed
SCI; SCIE; SCOPUS WOS scopus
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 (RS,int) and balanced photocurrents, were investigated. The intimate interfacial contact eliminated the RS,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. © 2013 Elsevier B.V. All rights reserved.
DOI
10.1016/j.synthmet.2013.05.002
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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