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논문 기본 정보

자료유형
학술저널
저자정보
Soo-Ho Cho (Korea University of Technology and Education) Sung-Joon Kim (Korea University of Technology and Education) Woo-Jun Jeong (Korea University of Technology and Education) Sang-Ho Kim (Korea University of Technology and Education)
저널정보
한국표면공학회 한국표면공학회지 한국표면공학회지 제51권 제2호
발행연도
2018.4
수록면
116 - 125 (10page)

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초록· 키워드

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Aluminum-doped zinc oxide (AZO) is a commonly used material for the front contact layer of chalcopyrite CuInGaSe₂ (CIGS) based thin film solar cells since it satisfies the requisite optical and electrical properties with low cost and abundant elemental availability. Low-resistivity and high-transmission front contacts have been developed for high-performance CIGS solar cells, and nearly meet the required performance. However, the durability of the cell especially for the corrosion resistance of AZO films has not been studied intensively. In this work, AZO films were prepared on Corning glass 7059 substrates by radio frequency magnetron sputtering depending on the hydrogen content. The electrical and optical properties and electrochemical corrosion resistance of the AZO films were evaluated as a function of the hydrogen content. With increasing hydrogen content to 6 wt%, the crystallinity, crystal size, and surface roughness of the films increased, and the resistivity decreased with increased carrier concentration, Hall mobility, oxygen vacancies, and Zn(OH)₂ binding on the AZO surface. At a hydrogen content of 6 wt%, the corrosion resistance was also relatively high with less columnar morphology, shallow pore channels, and lower grain boundary angles.

목차

Abstract
1. Introduction
2. Experimental Details
3. Results & Discussion
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-581-002065180