화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2020년 가을 (10/14 ~ 10/16, e-컨퍼런스)
권호 26권 1호, p.430
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제목 Growth of silicon nanowires for improving optical and electrical properties of silicon solar cell
초록 This work explains the growth of silicon nanowires (SiNWs) on the silicon wafer using the etching method which is directly used for the fabrication of crystalline Silicon solar cell without antireflection layer. SiNWs were optimized in terms of sizes, lengths and densities by changing the etching conditions. Well-defined and aligned wires like structures were achieved when the etching time was 20 min. The grown SiNWs displayed the minimum reflectance ~2.24% at 840 nm with the average reflectance of ~2.38% in the wavelength range from 400-1000 nm. The SiNWs length and average reflectance were used as input parameters to instigate the power conversion and quantum efficiencies of solar cells through PC1D simulation. The high conversion efficiency of ~16.17% observed when the average length of SiNWs and reflectance were ~2.528 mm and ~2.25%, respectively. Thus, this method (controlled etching) is an easy, facile method for preparation of nanostructured like wires on Si wafer with low reflectance in whole visible region, which has greater prospects in developing c-Si solar cells without AR layer.
저자 뎁쿠마샤1, 최재호2, 샤히르아크탈3, 양오봉1, 김종일2
소속 1전북대, 2신재생에너지소재개발센터, 3신재생에너지소재개발센터 / 전북대
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