Development of CuInSe2 nanocrystal and nanoring inks for low-cost solar cells.
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.
Guo
Qijie
Q
School of Chemical Engineering and the Energy Center, Purdue University, West Lafayette, Indiana 47906, USA.
Kim
Suk Jun
SJ
Kar
Mahaprasad
M
Shafarman
William N
WN
Birkmire
Robert W
RW
Stach
Eric A
EA
Agrawal
Rakesh
R
Hillhouse
Hugh W
HW