期刊
NANOSCALE RESEARCH LETTERS
卷 12, 期 -, 页码 -出版社
SPRINGER
DOI: 10.1186/s11671-017-2326-z
关键词
Oblique-angle sputtered ITO; MAPbI(3) perovskite; Wettability
资金
- Ministry of Science and Technology of the Republic of China
This investigation reports on the characteristics of MAPbI(3) perovskite films on obliquely sputtered ITO/glass substrates that are fabricated with various sputtering times and sputtering angles. The grain size of a MAPbI(3) perovskite film increases with the oblique sputtering angle of ITO thin films from 0 degrees to 80 degrees, indicating that the surface properties of the ITO affect the wettability of the PEDOT:PSS thin film and thereby dominates the number of perovskite nucleation sites. The optimal power conversion efficiency (Eff) is achieved 11.3% in a cell with an oblique ITO layer that was prepared using a sputtering angle of 30 degrees for a sputtering time of 15 min.
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