Journal
NANO LETTERS
Volume 8, Issue 9, Pages 2982-2987Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl802042g
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- Energy Center at Purdue University
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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 CulnSe(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 CulnSe(2) nanorings by altering the synthesis parameter.
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