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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