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Advance made in thin-film solar cell technology

Source:  Copyright 2010, ScienceDaily
Date:  April 20, 2010
Original URL: Status ONLINE


Researchers have made an important breakthrough in the use of continuous flow microreactors to produce thin film absorbers for solar cells -- an innovative technology that could significantly reduce the cost of solar energy devices and reduce material waste.

The advance was just reported in Current Applied Physics, a professional journal, by engineers from Oregon State University and Yeungnam University in Korea.

This is one of the first demonstrations that this type of technology, which is safer, faster and more economical than previous chemical solution approaches, could be used to continuously and rapidly deposit thin film absorbers for solar cells from such compounds as copper indium diselenide.

Previous approaches to use this compound -- which is one of the leading photovoltaic alternatives to silicon-based solar energy devices -- have depended on methods such as sputtering, evaporation, and electrodeposition. Those processes can be ...

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