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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs

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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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Title
Mixed solvents for the optimization of morphology in solution-processed, inverted-type perovskite/fullerene hybrid solar cells
Author
Kim, Hak-BeomChoi, HyosungJeong, JaekiKim, SeongbeomWalker, BrightSong, SeyeongKim, Jin Young
Keywords
Morphology; Organic solvents; Exciton dissociation; Hybrid solar cells; N ,N-Dimethylformamide; Perovskite films; Power conversion efficiencies; Recombination loss; Solution-processed; Uniform crystals
Issue Date
201406
Publisher
ROYAL SOC CHEMISTRY
Citation
NANOSCALE, v.6, no.12, pp.6679 - 6683
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.
URI
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DOI
http://dx.doi.org/10.1039/c4nr00130c
ISSN
2040-3364
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