Mixed solvents for the optimization of morphology in solution-processed, inverted-type perovskite/fullerene hybrid solar cells

Hak-Beom Kim; Hyosung Choi; Jaeki Jeong; Seongbeom Kim; Bright Walker; Seyeong Song; Jin Young Kim

doi:10.1039/C4NR00130C

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Mixed solvents for the optimization of morphology in solution-processed, inverted-type perovskite/fullerene hybrid solar cells†

Hak-Beom Kim,‡^a Hyosung Choi,‡^a Jaeki Jeong,‡^a Seongbeom Kim,^a Bright Walker,^a Seyeong Song^a and Jin Young Kim*^a

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* Corresponding authors

^a School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, South Korea
E-mail: jykim@unist.ac.kr
Fax: +82-52-217-2909
Tel: +82-52-217-2911

Abstract

We investigate mixed solvents of N,N-dimethylformamide (DMF) and γ-butyrolactone (GBL) to produce the smooth surface of a perovskite film and uniform crystal domains. This ideal morphology from mixed solvents enhances the power conversion efficiency to over 6% by improving the exciton dissociation efficiency and reducing the recombination loss at both interfaces of PEDOT:PSS/perovskite and perovskite/PCBM.

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Article information

DOI: https://doi.org/10.1039/C4NR00130C
Article type: Paper
Submitted: 08 Jan 2014
Accepted: 02 Apr 2014
First published: 04 Apr 2014

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Nanoscale, 2014,6, 6679-6683

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Mixed solvents for the optimization of morphology in solution-processed, inverted-type perovskite/fullerene hybrid solar cells

H. Kim, H. Choi, J. Jeong, S. Kim, B. Walker, S. Song and J. Y. Kim, Nanoscale, 2014, 6, 6679 DOI: 10.1039/C4NR00130C

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Mixed solvents for the optimization of morphology in solution-processed, inverted-type perovskite/fullerene hybrid solar cells†

Abstract

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Article information

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Mixed solvents for the optimization of morphology in solution-processed, inverted-type perovskite/fullerene hybrid solar cells

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