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학술지 Electrodeposition of SnO2 on FTO and its Application in Planar Heterojunction Perovskite Solar Cells as an Electron Transport Layer
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저자
Yohan Ko, Yeong Rim Kim, Haneol Jang, Chanyong Lee, 강만구, Yongseok Jun
발행일
201708
출처
Nanoscale Research Letters, v.12, pp.1-7
ISSN
1931-7573
출판사
Springer
DOI
https://dx.doi.org/10.1186/s11671-017-2247-x
초록
We report the performance of perovskite solar cells (PSCs) with an electron transport layer (ETL) consisting of a SnO2 thin film obtained by electrochemical deposition. The surface morphology and thickness of the electrodeposited SnO2 films were closely related to electrochemical process conditions, i.e., the applied voltage, bath temperature, and deposition time. We investigated the performance of PSCs based on the SnO2 films. Remarkably, the experimental factors that are closely associated with the photovoltaic performance were strongly affected by the SnO2 ETLs. Finally, to enhance the photovoltaic performance, the surfaces of the SnO2 films were modified slightly by TiCl4 hydrolysis. This process improves charge extraction and suppresses charge recombination.
키워드
Electrochemistry, Electrodeposition, Perovskite solar cell, SnO 2
KSP 제안 키워드
Bath temperature, Deposition time, Electrochemical deposition(ED), Electrochemical process, Planar heterojunction perovskite solar cells, Process conditions, SnO 2, applied voltage, charge extraction, charge recombination, electron transport layer