Starting with metal dithiocarbamate complexes, we synthesize colloidal Cu2ZnSnS4 (CZTS) nanocrystals with diameters ranging from 2 to 7 nm. Structural and Raman scattering data confirm that CZTS is obtained rather than other possible material phases. The optical absorption spectra of nanocrystals with diameters less than 3 nm show a shift to higher energy due to quantum confinement.
|Original language||English (US)|
|Number of pages||3|
|State||Published - Nov 14 2011|
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Electron Microprobe Laboratory
Anette von der Handt (Manager)Earth and Environmental Sciences-Twin Cities