Processing Materials Devices and Diagnostics for Thin Film Photovoltaics

Processing Materials Devices and Diagnostics for Thin Film Photovoltaics

Fundamental and Manufacturability Issues : Final Report, 1 March 2005 - 30 November 2008

Website or Online Data - 2009
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This report describes results achieved under this subcontract to develop and understand thin-film solar cell technology associated to CuInSe2 and related alloys, a-Si and its alloys, and CdTe. This includes application of a-Si to c-Si wafer-type cells, as well. Modules based on all these thin films are promising candidates to meet DOE long-range efficiency, reliability, and manufacturing cost goals. The critical issues being addressed under this program are intended to provide the science and engineering basis for developing viable commercial processes and to improve module performance. The generic research issues addressed are: 1) quantitative analysis of processing steps to provide information for efficient commercial-scale equipment design and operation; 2) device characterization relating the device performance to materials properties and process conditions; 3) development of alloy materials with different bandgaps to allow improved device structures for stability and compatibility with module design; 4) development of improved window/heterojunction layers and contacts to improve device performance and reliability; and 5) evaluation of cell stability with respect to illumination, temperature, and ambient and with respect to device structure and module encapsulation.
Publisher: Golden, Colo. : National Renewable Energy Laboratory, 2009.
Characteristics: 1 online resource (viii, 99 p.) : ill.


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