title: Size control and quantum confinement in Cu2ZnSnS4 nanocrystals.
abstract: Starting with metal dithiocarbamate complexes, we synthesize colloidal Cu(2)ZnSnS(4) (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.
authors.affiliation: Department of Chemical Engineering and Materials Science, 421 Washington Avenue SE, Minneapolis, Minnesota 55455, USA.
authors.forename: Ankur
authors.initials: A
authors.lastname: Khare
authors.forename: Andrew W
authors.initials: AW
authors.lastname: Wills
authors.forename: Lauren M
authors.initials: LM
authors.lastname: Ammerman
authors.forename: David J
authors.initials: DJ
authors.lastname: Norris
authors.forename: Eray S
authors.initials: ES
authors.lastname: Aydil