Process Development for CIGS Based Thin Film Photovoltaics Modules, Phase II Technical Report

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As a technology partner with NREL, Global Solar Energy (GSE) has initiated an extensive and systematic plan to accelerate the commercialization of thin-film photovoltaics (PV) based on copper indium gallium diselenide (CIGS). The distinguishing feature of the GSE manufacturing process is the exclusive use of lightweight, flexible substrates. GSE has developed the technology to fabricate CIGS photovoltaics on both stainless-steel and polymer substrates. CIGS deposited on flexible substrates can be fabricated into either flexible or rigid modules. Low-cost, rigid PV panels for remote power, bulk/utility, telecommunication, and rooftop applications have been produced by affixing the flexible substrate to an inexpensive ... continued below

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Britt, J.; Wiedeman, S. & Albright, S. November 9, 2000.

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Description

As a technology partner with NREL, Global Solar Energy (GSE) has initiated an extensive and systematic plan to accelerate the commercialization of thin-film photovoltaics (PV) based on copper indium gallium diselenide (CIGS). The distinguishing feature of the GSE manufacturing process is the exclusive use of lightweight, flexible substrates. GSE has developed the technology to fabricate CIGS photovoltaics on both stainless-steel and polymer substrates. CIGS deposited on flexible substrates can be fabricated into either flexible or rigid modules. Low-cost, rigid PV panels for remote power, bulk/utility, telecommunication, and rooftop applications have been produced by affixing the flexible substrate to an inexpensive rigid panel by lamination or adhesive. Stainless-steel-based PV modules are fabricated by a novel interconnect method that avoids the use of wires or foils and soldered connections. In the case of polymer-based PV modules, the continuous roll is not sectioned into individual panels until the module buss and power leads are attached. Roll-to-roll vacuum deposition has several advantages that translate directly to reduced capital costs, greater productivity, improved yield, greater reliability, lower maintenance, and a larger volume of PV material. In combination with roll-to-roll processing, GSE has developed evaporation deposition operations that enable low-cost and high-efficiency CIGS modules. The CIGS deposition process relies heavily on effusion source technology developed at GSE, and solving numerous problems was an integral part of the source development effort. Cell interconnection for thin-film CIGS modules on a polyimide substrate presents a considerable challenge.

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  • Other Information: PBD: 9 Nov 2000

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  • Report No.: NREL/SR-520-29227
  • Grant Number: AC36-99GO10337
  • DOI: 10.2172/772436 | External Link
  • Office of Scientific & Technical Information Report Number: 772436
  • Archival Resource Key: ark:/67531/metadc717899

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • November 9, 2000

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  • Sept. 29, 2015, 5:31 a.m.

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  • March 31, 2016, 7:01 p.m.

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Britt, J.; Wiedeman, S. & Albright, S. Process Development for CIGS Based Thin Film Photovoltaics Modules, Phase II Technical Report, report, November 9, 2000; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc717899/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.