Optimization of transparent electrode for solar cells. Technical progress report, 15 September-15 December, 1980 [electronic resource].
- Cambridge, Mass. : Harvard University, 1980.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
- Physical Description:
- Pages: 9 : digital, PDF file
- Additional Creators:
- Harvard University
United States. Department of Energy. Office of Scientific and Technical Information
- Solar cells usually need a surface layer which simultaneously transmits almost all of the incident sunlight, and also conducts electricity very well. Such layers, called transparent electrodes, must also be strong, stable to weathering and sunlight, inexpensive, non-toxic, non-polluting, and composed of sufficiently abundant materials. This long list of requirements is best met by a film of fluorine-doped tin oxide made by a new process. The current research has as its goal further improvements in the properties of this transparent electrode material. The first phase of the work is seeking to find out what mechanisms now limit the transparency and electrical conductivity of this material. It is suspected that certain chemical impurities, and also mechanical imperfections at boundaries between small grains in the films, may have deleterious effects. The second phase of the work will attempt to minimize those deleterious factors which are identified in the first phase. Then all the other experimental factors will be varied systematically to obtain the most transparent and electrically conductive films possible. Finally, some samples of optimal films will be made, under the best conditions obtained. Progress is summarized. (WHK)
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