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Combining laser chemical processing and aerosol jet printing: A laboratory scale feasibility study

: Drew, K.; Hopman, S.; Hörteis, M.; Glunz, S.W.; Granek, F.


Progress in Photovoltaics 19 (2011), No.3, pp.253-259
ISSN: 1062-7995
Journal Article
Fraunhofer ISE ()

First results showing the viability of combining laser chemical processing (LCP) and aerosol jet printing (AJP) technologies to produce a high-efficiency front side for silicon solar cells are presented. LCP simultaneously opens the anti-reflection coating (ARC) and highly dopes the underlying silicon to create a selective emitter, while AJP is the first in a two-step fine-line contact formation procedure. The electrical properties as well as the morphology of the resulting structures are presented. Performance similar to that achieved with evaporated TiPdAg metallization is demonstrated.