Improved Monolithic Photovoltaic-Electrochromic Devices Incorporating an a-SiC:H Solar Cell

    Research output: Contribution to conferencePaper

    Abstract

    In the tandem photovoltaic-electrochromic (PV-EC) device, a wide-gap, semitransparent, amorphous silicon-carbon alloy (a-SiC:H) photovolatic device and an eletrochromic optical transmittance modulator (EC device) are deposited sequentially to form a monolithic device on a single substrate. This device can be used as a 'smart' window for active control of daylighting and building cooling loadwithout an external electrical connection. Last year we reported preliminary results on our development of a semi-transparent PV cell incorporating an a-SiC:H i-layer. Here we report our recent progress on the semitransparent PV component of a PV-EC device and development of a Li-based EC device that colors at voltages below 0.9 V. Finally, we discuss both recent progress and difficulties inintegrating the two devices on one substrate.
    Original languageAmerican English
    Pages183-187
    Number of pages5
    StatePublished - 1996
    EventAmorphous Silicon Technology 1996: Materials Research Society Symposium - San Francisco, California
    Duration: 8 Apr 199612 Apr 1996

    Conference

    ConferenceAmorphous Silicon Technology 1996: Materials Research Society Symposium
    CitySan Francisco, California
    Period8/04/9612/04/96

    NREL Publication Number

    • NREL/CP-23018

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