Gas-Pressure-Assisted Modified One-Step Deposition for Hybrid Perovskite Solar Cells
- Authors
- Jo, Mansik; Cho, Seulki; Jang, Jihun; Song, Sangwoo; Moon, Kyoung-Sook; Koo, Sang-Mo; Moon, Byungmoo
- Issue Date
- 12월-2017
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Perovskite; Solar Cell; Modified One-Step Deposition Method; Two-Step Deposition Method; Solar Cell Fabrication
- Citation
- JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS, v.12, no.12, pp.1321 - 1325
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS
- Volume
- 12
- Number
- 12
- Start Page
- 1321
- End Page
- 1325
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/81376
- DOI
- 10.1166/jno.2017.2179
- ISSN
- 1555-130X
- Abstract
- In recent years, hybrid organic-inorganic perovskites have attracted much attention as promising light absorbers. Herein, the gas pressure during spin coating for a perovskite layer is introduced as a parameter for perovskite solar cells. We adopt gas pressure engineering to improve the perovskite film morphology without overgrown crystals and pin-holes. As a result, compared to 8.95% efficiency of conventional two step fabrication, perovskite solar cells based on gas-pressure-assisted method showed similar efficiency of 8.48% but increased the current density from 16.28 mA/cm(2) to 15.69 mA/cm(2), even though it reduced processing time and steps. These findings will provide important guidelines for the fabrication of low-cost perovskite solar cells.
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