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Author

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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Fast vaporizing anti-solvent for high crystalline perovskite to achieve high performance perovskite solar cells

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Title
Fast vaporizing anti-solvent for high crystalline perovskite to achieve high performance perovskite solar cells
Author
Kim, Gi-HwanJeong, JaekiJang, HyungsuKim, Jae WonKim, Jin Young
Keywords
Perovskite solar cells;  Anti-solvent;  Morphology;  Boiling point;  Surface coverage
Issue Date
201809
Publisher
ELSEVIER SCIENCE SA
Citation
THIN SOLID FILMS, v.661, no., pp.122 - 127
Abstract
We have deeply studied vaporized anti-solvents effects on the perovskite solar cell performance. Various non polar anti-solvents were tested to achieve the high quality perovskite film. Depending on the boiling point of the anti-solvent, the surface morphology is dramatically changed. In case of high boiling point anti-solvent, 1,2-dichlorobenzene (180.5 degrees C) remains on the perovskite surface even after thermal annealing at 100 degrees C for 10 min. However, the low boiling point chloroform (61.2 degrees C) anti-solvent makes smooth surface morphology of the perovskite film which leads the high performance of perovskite solar cells. This report introduces the vaporization of the anti-solvent affect the surface morphology that needs careful optimization for high performance perovskite solar cells.
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DOI
http://dx.doi.org/10.1016/j.tsf.2018.07.025
ISSN
0040-6090
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