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Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
Published on: August 23, 2012
Fabrication of 7.2% efficient CZTSSe solar cells using CZTS nanocrystals
Qijie Guo1, Grayson M Ford, Wei-Chang Yang
1School of Chemical Engineering and the Energy Center, Purdue University, West Lafayette, Indiana 47906, USA.
Journal of the American Chemical Society
|November 25, 2010
Abstract:
Earth abundant copper-zinc-tin-chalcogenide (CZTSSe) is an important class of material for the development of low cost and sustainable thin film solar cells. The fabrication of CZTSSe solar cells by selenization of CZTS nanocrystals is presented. By tuning the composition of the CZTS nanocrystals and developing a robust film coating method, a total area efficiency as high as 7.2% under AM 1.5 illumination and light soaking has been achieved.
