Journal
CLEAN, EFFICIENT AND AFFORDABLE ENERGY FOR A SUSTAINABLE FUTURE
Volume 75, Issue -, Pages 2181-2186Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2015.07.368
Keywords
FeS2 nanocrystals; polymer; solar cell; PCE; stability
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Nanocrystals(NCs)/polymer solid solar cells have the advantages of low-cost, simple process and flexible manufacturing. FeS2 NCs is a kind of semiconductor with optical absorption in visible and near-infrared area, match well with the solar radiation spectrum. The solid solar cells based on FeS2 NCs, poly(3-hexylthiophene) (P3HT) and phenyl-C-61-butyric acid methyl ester(PCBM), were prepared and achieved a photovoltaic conversion efficiency(PCE) of 3.0%. Besides, the device showed high stability with 83.3% of its initial efficiency remained after 15 weeks of exposure in air and stable performance in the range of 20-80 degrees C. The PCE fluctuation magnitudes were also found smaller than quantum-dot sensitized solar cell (QDSSC) under the same condition. (C) 2015 The Authors. Published by Elsevier Ltd.
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