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Advanced Processing Technology For High Efficiency Thin Film Cuinsesub 2 And Cdte Solar Cells Final Subcontract Report March 1 1992 April 30 1995
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Book Synopsis Advanced Processing Technology for High-efficiency, Thin-film CuInSe{sub 2} and CdTe Solar Cells. Final Subcontract Report, March 1, 1992--April 30, 1995 by :
Download or read book Advanced Processing Technology for High-efficiency, Thin-film CuInSe{sub 2} and CdTe Solar Cells. Final Subcontract Report, March 1, 1992--April 30, 1995 written by and published by . This book was released on 1996 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes work performed by the University of South Florida to develop a manufacturing-friendly fabrication process for CuInSe2 (CIS) solar cells. The process developed under this project uses conventional deposition processes and equipment, does not require stringent process control, and uses elemental Se as the selenium source. The authors believe it can be readily scaled up using off-the-shelf processing equipment and that it will meet the low manufacturing-cost objectives. Another significant achievement under this project was the development of a reactive sputtering deposition technology for ZnO. ZnO is used in many solar cell devices, and sputtering is a desirable manufacturing technology. The application of sputtering has been limited because conventional deposition uses ceramic targets that result in low sputtering rates. The use of Zn metal as the target in reactive sputtering overcomes this limitation. The authors have demonstrated that ZnO deposited by reactive sputtering has state-of-the-art opto-electronic properties. These developments result in large-area uniformity and optimized performance and provide a significant opportunity for applying and commercializing the technology. The second objective of this project was to fabricate high-efficiency CdTe solar cells using manufacturing-friendly processes. Three deposition processes were used to deposit CdS films: chemical bath deposition, rf sputtering, and close-spaced sublimation (CSS). The CdTe films were deposited by CSS. A cell with a record efficiency of 15.8% was obtained.
Book Synopsis Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and CdTe Solar Cells by : D. L. Morel
Download or read book Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and CdTe Solar Cells written by D. L. Morel and published by . This book was released on 1996 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and Solar Cells by : Don Louis Morel
Download or read book Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and Solar Cells written by Don Louis Morel and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of High-efficiency, Thin-film CdTe Solar Cells by :
Download or read book Development of High-efficiency, Thin-film CdTe Solar Cells written by and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and CdTe Solar Cells. Annual Subcontract Report, 1 March 1993--28 February 1994 by :
Download or read book Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and CdTe Solar Cells. Annual Subcontract Report, 1 March 1993--28 February 1994 written by and published by . This book was released on 1994 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: This annual report details activities in research on advanced processing technology for high-effiency, thin-film solar cells.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and CdTe Solar Cells by : Don Louis Morel
Download or read book Advanced Processing Technology for High-efficiency, Thin-film CuInSe2 and CdTe Solar Cells written by Don Louis Morel and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Processing of CdTe- and CuIn{sub X}Ga{sub 1{minus}x}Se{sub 2}-based Solar Cells. Phase 1 Annual Subcontract Report, 18 April 1995--17 April 1996 by :
Download or read book Advanced Processing of CdTe- and CuIn{sub X}Ga{sub 1{minus}x}Se{sub 2}-based Solar Cells. Phase 1 Annual Subcontract Report, 18 April 1995--17 April 1996 written by and published by . This book was released on 1997 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this project to develop high-efficiency CdTe solar cells based on processing conditions favorable for manufacturing processes. This report presents the results on work performed during the first phase of this project. One of the major issues addressed is the use of soda-lime glass substrates in place of the borosilicate glass often used for laboratory devices; another task is the preparation of Cu(In, Ga) Se2 solar cells by selenizing suitable precursor films. Emphasis is placed on processing and how different reaction schemes affect device performance. It was found that different reaction schemes not only change the bulk properties of Cu(In, Ga) Se2, but also its surface properties, which critically affect device performance. Although the objective is to optimize processing to meet the manufacturing constraints, work has not been limited within these requirements.
Book Synopsis Review of the Technical Assistance Activities of UNIDO for the Least Developed Countries by : Industrial Development Organization Secretariat
Download or read book Review of the Technical Assistance Activities of UNIDO for the Least Developed Countries written by Industrial Development Organization Secretariat and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Processing of CdTe- and CuIn(subscript X)Ga{sub 1-x}Se2-based Solar Cells. Phase 1 Annual Subcontract Report, 18 April 1995--17 April 1996 by :
Download or read book Advanced Processing of CdTe- and CuIn(subscript X)Ga{sub 1-x}Se2-based Solar Cells. Phase 1 Annual Subcontract Report, 18 April 1995--17 April 1996 written by and published by . This book was released on 1997 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this project to develop high-efficiency CdTe solar cells based on processing conditions favorable for manufacturing processes. This report presents the results on work performed during the first phase of this project. One of the major issues addressed is the use of soda-lime glass substrates in place of the borosilicate glass often used for laboratory devices; another task is the preparation of Cu(In, Ga) Se2 solar cells by selenizing suitable precursor films. Emphasis is placed on processing and how different reaction schemes affect device performance. It was found that different reaction schemes not only change the bulk properties of Cu(In, Ga) Se2, but also its surface properties, which critically affect device performance. Although the objective is to optimize processing to meet the manufacturing constraints, work has not been limited within these requirements.
Book Synopsis Lautbibliothek der deutschen Mundarten by :
Download or read book Lautbibliothek der deutschen Mundarten written by and published by . This book was released on 1958 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of High-efficiency CdTe Solar Cells by :
Download or read book Development of High-efficiency CdTe Solar Cells written by and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High efficiency thin film CdTe and a-Si based solar cells by : A. D. Compaan
Download or read book High efficiency thin film CdTe and a-Si based solar cells written by A. D. Compaan and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology Support for High-Throughput Processing of Thin-Film CdTe PV Modules: Phase II Annual Technical Report, 1 April 1999--31 March 2000 by :
Download or read book Technology Support for High-Throughput Processing of Thin-Film CdTe PV Modules: Phase II Annual Technical Report, 1 April 1999--31 March 2000 written by and published by . This book was released on 2001 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results and conclusions from Phase II of a three-year subcontract are presented. The subcontract, entitled 'Technology Support for High-Throughput Processing of Thin-Film CdTe PV Modules,' is First Solar's portion of the Thin-Film Photovoltaic Partnership Program. The research effort of this subcontract is divided into four areas of effort: 1) process and equipment development, 2) efficiencyimprovement, 3) characterization and analysis, and 4) environmental, health, and safety. As part of the process and equipment development effort, a new semiconductor deposition system with a throughput of 3 m2/min was completed, and a production line in a new 75,000 ft2 facility was started and is near completion. As part of the efficiency-improvement task, research was done on cells and moduleswith thin CdS and buffer layers as way to increase photocurrent with no loss in the other photovoltaic characteristics. A number of activities were part of the characterization and analysis task, including developing a new admittance spectroscopy system, with a range of 0.001 Hz to 100 kHz, to characterize cells. As part of the environmental, health, and safety task, the methanol-based CdCl2process was replaced with aqueous-CdCl2. This change enabled the retention of a 'De Minimus' level of emissions for the manufacturing plant, so no permitting is required.
Book Synopsis Technology Support for High-Throughput Processing of Thin-Film CdTe PV Modules: Phase I Annual Technical Report, 1 April 1998 - 31 March 1999 by :
Download or read book Technology Support for High-Throughput Processing of Thin-Film CdTe PV Modules: Phase I Annual Technical Report, 1 April 1998 - 31 March 1999 written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes work performed by First Solar, L.L.C., during Phase I of this 3-year subcontract. The research effort of this subcontract is divided into four areas: 1) process and equipment development, 2) efficiency improvement, 3) characterization and analysis, and 4) environmental, health, and safety. First Solar made significant progress in all four areas. The results and conclusionsfrom Phase 1 are presented.
Book Synopsis Advanced Processing of CdTe- and CuIn[subscript X]Ga[subscript 1-x]Se2- Based Solar Cells by : Don Louis Morel
Download or read book Advanced Processing of CdTe- and CuIn[subscript X]Ga[subscript 1-x]Se2- Based Solar Cells written by Don Louis Morel and published by . This book was released on 1997 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this project is to develop high-efficiency CdTe solar cells based on processing conditions favorable for manufacturing processes. This report presents the results on work performed during the first phase of this project. One of the major issues addressed is the use of soda-lime glass substrates in place of the borosilicate glass often used for laboratory devices; another task is the preparation of Cu(In,Ga) Se2 solar cells by selenizing suitable precursor films. Emphasis is placed on processing and how different reaction schemes affect device performance. It was found that different reaction schemes not only change the bulk properties of Cu(In,Ga)Se2, but also its surface properties, which critically affect device performance. Although the objective is to optimize processing to meet the manufacturing constraints, work has not been limited within these requirements.
Book Synopsis Continuous Roll-to-roll A-Si Photovoltaic Manufacturing Technology. Final Subcontract Report, 1 April 1992--30 September 1995 by :
Download or read book Continuous Roll-to-roll A-Si Photovoltaic Manufacturing Technology. Final Subcontract Report, 1 April 1992--30 September 1995 written by and published by . This book was released on 1996 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: ECD has made important progress in the development of materials, device designs, and manufacturing processes required for the continued advancement of practical photovoltaic technology123. ECD has pioneered and continues further development of two key proprietary technologies, with significant potential for achieving the cost goals necessary for widespread growth of the photovoltaic market: (1) a low cost, roll-to- roll continuous substrate thin-film solar cell manufacturing process; (2) a high efficiency, monolithic, multiple-junction, spectrum- splitting thin-film amorphous silicon alloy device structure. Commercial production of multiple-junction a-Si alloy modules has been underway at ECD and its joint venture company for a number of years using ECD's proprietary roll-to-roll process and numerous advantages of this technology have been demonstrated. These include relatively low semiconductor material cost, relatively low process cost, a light-weight, rugged and flexible substrate that results in lowered installed costs of PV systems, and environmentally safe materials. Nevertheless, the manufacturing cost per watt of PV modules from our current plant remains high. In order to achieve high stable efficiency and low manufacturing cost, ECD has, at ECD's expense, engineered and constructed a 2 MW production line and a 200 kW pilot line, incorporating earlier ECD research advances in device efficiency through the use of multi-junction spectrum-splitting and high performance back-reflector cell design. Under this subcontract six tasks were directed towards achieving this goal. They are: Task I: Optimization of back-reflector system; Task II: Optimization of the Si-Ge narrow bandgap solar cells; Task III: Optimization of the stable efficiency of photovoltaic modules; Task IV: Demonstration of serpentine web continuous roll-to-roll deposition technology; Task V: Material cost reductions; and Task VI: Improving the module assembly process.
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