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학술지 High-performance ZnO:Ga/Ag/ZnO:Ga Multilayered Transparent Electrodes Targeting Large-scale Perovskite Solar Cells
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저자
이성현, 김가영, 임정욱, 이규석, 강만구
발행일
201811
출처
Solar Energy Materials & Solar Cells, v.186, pp.378-384
ISSN
0927-0248
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.solmat.2018.07.010
협약과제
17PB6200, 고효율 (16% 이상) 대면적 (15 cm x 15 cm) 인쇄공정 기반 페로브스카이트 태양전지 모듈 제조 기술 개발, 강만구
초록
We investigated the thermal stability of multilayered transparent electrodes composed of ZnO:Ga (GZO)/Ag/GZO layers for the application of large-scale perovskite solar cell (PSC) modules, which require a post-annealing temperature of 450 °C. The sheet resistance and transmittance of the GZO/Ag/GZO (50 nm/12 nm/50 nm) electrodes were encouragingly improved by an annealing test with a temperature variation from 25째 to 450°C. The optimum value of the sheet resistance was 4.48 廓/square at an annealing temperature of 450 °C. By a simulation of PSC module performance, we confirmed that PSC modules with our GZO/Ag/GZO multilayered transparent electrodes (4??5 廓/square) suffer less performance degradation compared to those with conventional FTO transparent electrodes (8??15 廓/square).
키워드
Perovskite solar cells, Sheet resistance, Transmittance, Transparent electrodes
KSP 제안 키워드
Annealing temperature, High performance, Post-annealing, Temperature variations, Thermal stability(TGA), large-scale, module performance, performance degradation, perovskite solar cells, sheet resistance, transparent electrode