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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.11
- 수록면
- 245 - 248 (4page)
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Many researches have been carried outto improve light absorption in the crystalline silicon solar cell fabrication. The rear reflection is applied to increase the path length of light, resulting in the light absorption enhancement and thus the efficiency improvement mainly due to increase in short circuit current. In this paper, we manufactured the silicon solar cell using the mono crystalline silicon wafers with 156×156 ㎟, 0.5~3.0 Ω·㎝ of resistivity and p-type. After saw damage removal, the dielectric film (SiNx)on the back surface was deposited, followed by surface texturing inthe KOH solution. It resulted in single-side texturing wafer. Then the dielectric film was removed in the HF solution.The silicon wafers were doped with phosphorus by POCl<SUB>3</SUB> with the sheet resistance 50Ω/? and then the silicon nitride was deposited on the front surface by the PECVD with 80㎚ thickness. The electrodes were formed by screen-printing with Ag and Al paste for front and back surface, respectively. The reflectan and transmittance for the single-sided and double-sided textured wafers were compared. The double-sided textured wafer showed higher reflectance and lower transmittance at the long wavelength region, compared to single-sided. The completed crystalline silicon solar cells with different back surface texture showed the conversion efficiency of 17.4% for the single sided and 17.3% for the double sided. The efficiency improvement with single-sided textured solar cell resulted from reflectance increase on back surface and light absorption enhancement.
목차
Abstract
기호설명
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2013-563-001382964