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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.119  No.1396 (December) (2011)  >  pp.954-960

Journal of the Ceramic Society of Japan
<<Previous article Vol.119  No.1396 (December) (2011)   pp.954 - 960 Next article>>

Size-controlled glass frits with spherical shape for Al electrodes in Si solar cells

Jang Heui YI1), Jung Hyun KIM1), You Na KO1), Young Jun HONG1), Hye Young KOO1), Yun Chan KANG1) and Hye Moon LEE2)
1) Department of Chemical Engineering, Konkuk University
2) Functional Materials Division, Korea Institute of Materials Science


  Size-controlled Pb-based glass frits ranged from 0.48 to 1 µm prepared by spray pyrolysis are used as an inorganic binder for Al electrodes. The Al electrodes formed from the pastes with the glass frits above 0.76 µm have uniform distribution of glass material inside and on the surface of the electrodes. Pb-based glass frits improve the formation of Al–Si alloys by liquid phase sintering. The Al electrodes have well developed back-surface field layers and low specific resistances irrespective of the mean sizes of the glass frits. The specific resistances of the electrodes change from 28.4 to 38.6 µΩ·cm according to the mean sizes of the glass frits at a heat-up rate of 800°C. The specific resistances of the electrodes are slightly affected by the heat-up rates.


Keyword:
Spray pyroltsis, Glass material, Al electrode

Received: July 04, 2011
Accepted: October 05, 2011 , Published online: December 01, 2011
Copyright (c) 2011 The Ceramic Society of Japan

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