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Field Emission and Electrical Properties of Perovskite
- Authors
- Park, Taehun; Lee, Jongtaek; Lee, Junyoung; Yang, Jonghee; Ha, Suryong; Moon, Sanghun; Choi, Hyosung; Yi, Whikun
- Issue Date
- Feb-2018
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Mixed-Halide Perovskite Solar Cell; Laser Response; Field Emission
- Citation
- Journal of Nanoscience and Nanotechnology, v.18, no.2, pp.1327 - 1330
- Indexed
- SCIE
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 18
- Number
- 2
- Start Page
- 1327
- End Page
- 1330
- ISSN
- 1533-4880
- Abstract
- We investigate characteristic field emission properties of methyl ammonium mixed-halide perovskite (CH3NH3PbI3-xClx) and their current change under one laser pulse. To analyze these properties, we fabricated inverted-type mixed-halide perovskite solar cells which exhibit a device efficiency of 9.31% under A. M 1.5 condition. Under one laser pulse varying from 420 nm to 580 nm, perovskite layer considerably reacted from 420 nm to 440 nm and then gradually decreased in current. A turn-on field of 5.56 V and a field enhancement factor of 3183 were obtained from one spin-coating perovskite layer and in eight times of perovskite spin-coating cycles, a turn-on field of 6.70 V and a field enhancement factor of 5110 were observed.
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Related Researcher
- Choi, Hyosung
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF CHEMISTRY)