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산화아연 나노막대 어레이를 기반으로 한 하이브리드 태양전지의 유, 무기 계면 개질에 관한 연구

Title
산화아연 나노막대 어레이를 기반으로 한 하이브리드 태양전지의 유, 무기 계면 개질에 관한 연구
Authors
오승정
Date Issued
2014
Publisher
포항공과대학교
Abstract
We report the effects of interfacial modification on the performance of hybrid solar cells based on a ZnO/P3HT heterojunction. To enhance the compatibility and connectivity between ZnO nanorods array and P3HT, we introduced 2-cyano-3-[5′′′- (9-ethyl-9H-carbazol-3-yl)-3′,3′′,3′′′,4-tetra-n-hexyl-[2,2′,5′,2′′,5′′,2′′′′]-quaterthiophenyl-5-yl]acrylic acid (MK-2 dye) as an interfacial modification material. Tailoring the interface between the organic and inorganic components in the photo-active layer was found to improve the exciton dissociation and charge transport, and the dipole layer formed by MK-2 dye adjusts the band offset. As a result, the short circuit current and the open circuit voltage of the hybrid solar cell were enhanced, and its efficiency increased from 0.07 % to 0.55 %. Furthermore, we introduced Sb2S3 layer between ZnO and P3HT for the cascade structure.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000001673652
http://oasis.postech.ac.kr/handle/2014.oak/2060
Article Type
Thesis
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