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학술대회 Investigation of Transparent Electrodes and Transparent/Opaque a-Si:H Solar Cells for Indoor Photovoltaics
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저자
김가영, 신명훈, 임정욱
발행일
201806
출처
World Conference on Photovoltaic Energy Conversion (WCPEC) 2018, pp.338-340
DOI
https://dx.doi.org/10.1109/PVSC.2018.8547590
협약과제
17PB6100, 양면발전 효율 8.5 % 및 투과도 20%를 갖고 다양한 색상 구현이 가능한 박막 실리콘 기반의 완전투광형 투명 태양전지 기술 개발, 임정욱
초록
Transparent and opaque hydrogenated amorphous silicon solar cells (a-Si:H) with various transparent electrodes are fabricated for indoor photovoltaics to supply power to Internet of Things devices. The performances of fabricated cells are investigated to evaluate the transparent electrode structures. The highest efficiency (6.05%) and highest average transmittance (24%) in the visible range are obtained with a transparent a-Si:H solar cell having single front and rear GZO electrodes, while the best efficiency is 9.29% with an opaque a-Si:H solar cell. Under LED indoor light, the best efficiencies are 5.12% with the opaque solar cell and 5.75% with the transparent solar cells.
KSP 제안 키워드
Internet of thing(IoT), Supply Power, Visible range, a-Si:H solar cells, amorphous silicon solar cells, highest efficiency, hydrogenated amorphous silicon, transparent electrode, transparent solar cell