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학술지 Semi-Transparent Amorphous Silicon Solar Cells Using a Thin p-Si Layer and a Buffer Layer
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저자
임정욱, 이다정, 윤선진
발행일
201304
출처
ECS Solid State Letters, v.2 no.6, pp.Q47-Q49
ISSN
2162-8742
출판사
Electrochemical Society (ECS)
DOI
https://dx.doi.org/10.1149/2.009306ssl
협약과제
12MB2900, 선택적 투과막 및 이종접합창을 이용한 투과성 a-SiGe 투명 태양전지 개발, 임정욱
초록
A thin p-Si layer and a buffer layer were employed in the fabrication of semi-transparent amorphous silicon solar cells. The thin p-Si layer was used to obtain high transparency as well as high current density, but it reduces the open circuit voltage (VOC) due to a reduced depletion charge. To overcome this restriction, a buffer layer was used to enhance VOC. The device with a 7.5 nm p-Si layer and a buffer exhibits transmittance of 48.75% and an efficiency of 5.36%. The inclusion of the buffer retains high efficiency for the use of thin p-Si layer. © 2013 The Electrochemical Society.
KSP 제안 키워드
5 nm, Buffer layer, Depletion charge, High transparency, Open circuit voltage(VOC), P-Si, Semi-transparent, Si layer, amorphous silicon solar cells, high current density, high efficiency