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Highly Stable All-Inorganic Pb-Free Perovskite Solar Cells
- Authors
- Heo, Jin Hyuck; Lee, Min Ho; Song, Dae Ho; Aung, Nang Mya Su; Lee, Jae-Joon; Song, Chang Eun; Hong, Ki-Ha; Im, Sang Hyuk
- Issue Date
- 12월-2018
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Bismuth; Pb-Free; Perovskite; Cul; Solar Cells
- Citation
- JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS, v.13, no.12, pp.1764 - 1768
- Indexed
- SCIE
- Journal Title
- JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS
- Volume
- 13
- Number
- 12
- Start Page
- 1764
- End Page
- 1768
- ISSN
- 1555-130X
- Abstract
- Thermally stable planar Pb-free Cs3Bi2I9 perovskite solar cells were fabricated using glass, ITO, ZnO, Cs3Bi2I9, Cul, and Au as the transparent substrate, transparent conducting electrode, electron-transporting layer, light absorption layer, hole-transporting layer, and counter electrode, respectively. Planar Cs3Bi2I9 perovskite solar cells with a Cul hole-transporting layer produced a power conversion efficiency of 9.0 and 9.2% at an illumination of 1 sun (100 mW/cm(2)) for forward and reverse scans, respectively. They also maintained their initial efficiency following heat treatment at 200 degrees C in air due to the high thermal stability of Cul, whereas Cs3Bi2I9 perovskite solar cells with a poly-triarylamine hole-transporting layer exhibited a rapid degradation in power conversion efficiency.
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