Generic placeholder image

Current Nanoscience

Editor-in-Chief

ISSN (Print): 1573-4137
ISSN (Online): 1875-6786

Characterization and Cell Performance of Al Paste with an Inorganic Binder of Bi2O3–B2O3–ZnO System in Si Solar Cells

Author(s): Bit-Na Kim, Do-Hyung Kim, Hyeong-Jun Kim, Heon Lee, Hyo Sik Chang and Sung-Soo Ryu

Volume 10, Issue 1, 2014

Page: [66 - 69] Pages: 4

DOI: 10.2174/1573413709666131111233041

Price: $65

Abstract

In this study, eco-friendly Pb-free Bi2O3–B2O3–ZnO glass frits were selected as an inorganic additive for the Al paste used in Si solar cells. The effect of glass chemistry on the electrical property of the Al electrode and on the cell performance was investigated. The results showed that as the molar ratio of ZnO to B2O3 increased, the glass transition temperature and softening temperature decreased because of the reduced glass viscosity. In Al screen-printed Si solar cells, as the molar ratio of ZnO to B2O3 increased, the sheet electrical resistance of the Al electrode decreased and the cell efficiency increased. The microstructure of the sintered electrodes showed that the uniformity and thickness of the back-surface field were significantly influenced by the glass chemistry.

Keywords: Al paste, Bi2O3–B2O3–ZnO glass, Al back contact, back-surface field, Si solar cell.


Rights & Permissions Print Cite
© 2024 Bentham Science Publishers | Privacy Policy