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Issue 38, 2014
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Planar heterojunction perovskite/PC71BM solar cells with enhanced open-circuit voltage via a (2/1)-step spin-coating process

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Abstract

A two-step, spin-coating process to synthesize a high quality perovskite film at room temperature at ambient atmosphere is reported. Combining an optimized PEDOT:PSS hole-transport layer and a PC71BM acceptor, the device achieved a power conversion efficiency of 16.31% with a remarkably high Voc of 1.05 V and FF of 0.78. The efficiency reproducibility of the devices is also high: 80% of devices achieve efficiency higher than 15%.

Graphical abstract: Planar heterojunction perovskite/PC71BM solar cells with enhanced open-circuit voltage via a (2/1)-step spin-coating process

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Publication details

The article was received on 17 Jul 2014, accepted on 23 Jul 2014 and first published on 25 Jul 2014


Article type: Paper
DOI: 10.1039/C4TA03674C
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J. Mater. Chem. A, 2014,2, 15897-15903

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    Planar heterojunction perovskite/PC71BM solar cells with enhanced open-circuit voltage via a (2/1)-step spin-coating process

    C. Chiang, Z. Tseng and C. Wu, J. Mater. Chem. A, 2014, 2, 15897
    DOI: 10.1039/C4TA03674C

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