Highly efficient inverted poly(3-hexylthiophene): Methano-fullerene [6,6]-phenyl C71-butyric acid methyl ester bulk heterojunction solar cell with Cs2CO3 and MoO3

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We have studied the fabrication of an inverted P3HT:PC71BM bulk hetero-junction (IBHJ) solar cell using ultrathin cesium carbonate (Cs2CO3) and molybdenum trioxide (MoO3) as the cathodic and anodic buffer layers, respectively. The influence of MoO3 thickness on the performance of the IBHJ solar cells was investigated for thicknesses ranging from 0.75 to 3 nm and the optimum thickness was found to be 2 nm, which showed the highest power conversion efficiency of 4.01%. We also found that the power conversion efficiency of the IBHJ solar cells is relatively retained even in low temperature while that of BHJ solar cell rapidly decreased with decreasing temperature and the stability in air is also much better. (C) 2010 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2011-02
Language
English
Article Type
Article
Keywords

POLYMER PHOTOVOLTAIC CELLS; TEMPERATURE; DEVICES; LAYER

Citation

ORGANIC ELECTRONICS, v.12, no.2, pp.353 - 357

ISSN
1566-1199
DOI
10.1016/j.orgel.2010.11.024
URI
http://hdl.handle.net/10203/95021
Appears in Collection
PH-Journal Papers(저널논문)
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