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Low-Temperature Processed TiO2 Nanoparticle Layer with Inorganic Binder for Perovskite Solar Cell
- Authors
- Cho, Seulki; Jang, Jihun; Jo, Mansik; Song, Sang-Woo; Jang, Suyeol; Lee, Sooyong; Moon, Byung-Moo; Moon, Kyoung-Sook; Koo, Sang-Mo
- Issue Date
- 2월-2020
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Perovskite Solar Cell; Low-Temperature Process; Sol-Gel Process; Titanium Dioxide; Inorganic Binder
- Citation
- SCIENCE OF ADVANCED MATERIALS, v.12, no.2, pp.276 - 281
- Indexed
- SCIE
- Journal Title
- SCIENCE OF ADVANCED MATERIALS
- Volume
- 12
- Number
- 2
- Start Page
- 276
- End Page
- 281
- ISSN
- 1947-2935
- Abstract
- In this study, we report on the low-temperature (<120 degrees C) fabrication of a mesoporous titanium dioxide (TiO2) layer for use in perovskite solar cells. The TiO2 layer used was produced from a solution of TiO2 nanoparticles, purified water and titanium isopropoxide (TTIP) acting as a precursor of an inorganic binder network. We compared the properties of TiO2 layers resulting from different molar ratios (ranging from 0.1:1 similar to 0.5:1) of titanium isopropoxide to TiO2 nanoparticles. Finally, perovskite solar cells were fabricated based on our optimized TiO2 molar ratio (TTIP:TiO2 = 0.1:1) and found to exhibit a short-circuit current density of similar to 16.01 mA cm(-2) and photoelectric conversion efficiency of similar to 5.57%, respectively.
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