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Direct-Write Printing of Silver Metallizations on Silicon Solar Cells

Published online by Cambridge University Press:  01 February 2011

C. J. Curtis ,
T. Rivkin ,
A. Miedaner ,
J. Alleman ,
J. Perkins ,
L. Smith  and
D. S. Ginley
C. J. Curtis
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
T. Rivkin
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
A. Miedaner
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
J. Alleman
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
J. Perkins
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
L. Smith
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
D. S. Ginley
Affiliation:
National Renewable Energy Laboratory, Golden, CO 80401
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Abstract

Direct-write technologies offer the potential for low-cost materials-efficient deposition of contact metallizations for photovoltaics. We report on the inkjet printing of metal organic decomposition (MOD) inks with and without nanoparticle additions. Near-bulk conductivity of printed and sprayed metal films has been achieved for Ag and Ag nanocomposites. Good adhesion and ohmic contacts with a measured contact resistance of 400μΩ•cm2 have been observed between the sprayed silver films and a heavily doped n-type layer of Si. Silver deposited using the MOD ink burns through the Si3N4 antireflection coating when annealed at 850°C to form an ohmic contact to the n-Si underneath. An active solar cell device was fabricated using a top contact that was spray printed using the Ag MOD ink. Inkjet printed films show adhesion differences as a function of the process temperature and solvent. Silver lines with good adhesion and conductivity have been printed on glass with 100 μm resolution.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 730: Symposium V – Materials for Energy Storage, Generation, and Transport , 2002 , V3.8
Copyright
Copyright © Materials Research Society 2002

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