Issue 38, 2014

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

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

Supplementary files

Article information

Article type
Paper
Submitted
17 Jul 2014
Accepted
23 Jul 2014
First published
25 Jul 2014

J. Mater. Chem. A, 2014,2, 15897-15903

Author version available

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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