Proposed Route to Thin Film Crystal Si Using Biaxially Textured Foreign Template Layers

    Research output: Contribution to conferencePaper

    Abstract

    We have developed a new approach to growing photovoltaic-quality crystal silicon (c-Si) films on glass. Other approaches to film c-Si focus on increasing grain size in order to reduce the deleterious effects of grain boundaries. Instead, we have developed an approach to align the silicon grains biaxially (both in and out of plane) so that 1) grain boundaries are 'low-angle' and have less effecton the electronic properties of the material and 2) subsequent epitaxial thickening is simplified. They key to our approach is the use of a foreign template layer that can be grown with biaxial texture directly on glass.
    Original languageAmerican English
    Number of pages5
    StatePublished - 2005
    Event2005 DOE Solar Energy Technologies Program Review Meeting - Denver, Colorado
    Duration: 7 Nov 200510 Nov 2005

    Conference

    Conference2005 DOE Solar Energy Technologies Program Review Meeting
    CityDenver, Colorado
    Period7/11/0510/11/05

    Bibliographical note

    Presented at the 2005 DOE Solar Energy Technologies Program Review Meeting held November 7-10, 2005 in Denver, Colorado. Also included in the proceedings available on CD-ROM (DOE/GO-102006-2245; NREL/CD-520-38557)

    NREL Publication Number

    • NREL/CP-520-38977

    Keywords

    • crystal Si
    • NREL
    • photovoltaics (PV)
    • PV
    • solar
    • thin films

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