Development of CuInSe2 Nanocrystal and Nanoring Inks for Low-Cost Solar Cells
Nano Letters2008Vol. 8(9), pp. 2982–2987
Citations Over TimeTop 1% of 2008 papers
Qijie Guo, Suk Jun Kim, Mahaprasad Kar, William N. Shafarman, Robert W. Birkmire, Eric A. Stach, Rakesh Agrawal, Hugh W. Hillhouse
Abstract
The creation of a suitable inorganic colloidal nanocrystal ink for use in a scalable coating process is a key step in the development of low-cost solar cells. Here, we present a facile solution synthesis of chalcopyrite CuInSe 2 nanocrystals and demonstrate that inks based on these nanocrystals can be used to create simple solar cells, with our first cells exhibiting an efficiency of 3.2% under AM1.5 illumination. We also report the first solution synthesis of uniform hexagonal shaped single crystals CuInSe 2 nanorings by altering the synthesis parameter.
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