Ink Jet Printing Approaches to Solar Cell Contacts

Research output: Contribution to conferencePaper

Abstract

We are developing inkjet printing as a low cost, high through-put approach to the deposition of front contacts for Si solar cells. High deposition rates of 1?m per printing pass were achieved with a new metalorganic ink composed of silver (trifluoroacetate) in ethylene glycol. The printing conditions were optimized to achieve a relatively high line resolution of 120 ?m. The optimal parameters forthe piezoelectric inkjet were a pulse frequency of 50 Hz and pulse amplitude of 25 V. The best resolution and the line quality were achieved at a substrate temperature of 180 ?C and drop separation of 40 ?m.
Original languageAmerican English
Number of pages6
StatePublished - 2003
EventNational Center for Photovoltaics (NCPV) and Solar Program Review Meeting - Denver, Colorado
Duration: 24 Mar 200326 Mar 2003

Conference

ConferenceNational Center for Photovoltaics (NCPV) and Solar Program Review Meeting
CityDenver, Colorado
Period24/03/0326/03/03

NREL Publication Number

  • NREL/CP-520-33594

Keywords

  • front contacts
  • inkjet printing
  • silicon
  • solar cells

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