Pulse Duration and Wavelength Effects in Laser Scribing of Thin-Film Polycrystalline PV Materials

    Research output: Contribution to conferencePaper

    Abstract

    This project is focused on a study of wavelength-dependent effects and pulse-duration effects on laser scribing of polycrystalline thin-film PV materials. The materials studied here are CdTe, Ci(G)S, SnO2, ZnO, molybdenum and gold. This paper provides a summary of thresholds and optimum scribing energy densities for two types of Nd:YAG lasers, a 308 nm excimer laser, and a copper vapor laser. Acomparison is presented of glass-side vs. film-side scribing. Discussion is also given of scribing of multilayer films such as ZnO/CIS/moly and gold/CdTe/Sno2.
    Original languageAmerican English
    Pages567-571
    Number of pages5
    StatePublished - 1997
    EventNREL/SNL Photovoltaics Program Review: 14th Conference - Lakewood, Colorado
    Duration: 18 Nov 199622 Nov 1996

    Conference

    ConferenceNREL/SNL Photovoltaics Program Review: 14th Conference
    CityLakewood, Colorado
    Period18/11/9622/11/96

    Bibliographical note

    Work performed by University of Toledo, Toledo, Ohio

    NREL Publication Number

    • NREL/CP-23736

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