Size control and quantum confinement in Cu2ZnSnS4 nanocrystals

Ankur Khare; Andrew W. Wills; Lauren M. Ammerman; David J. Norris; Eray S. Aydil

doi:10.1039/c1cc14687d

Size control and quantum confinement in Cu₂ZnSnS₄ nanocrystals

Ankur Khare, Andrew W. Wills, Lauren M. Ammerman, David J. Norris, Eray S. Aydil

Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

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)
Pages (from-to)	11721-11723
Number of pages	3
Journal	Chemical Communications
Volume	47
Issue number	42
DOIs	https://doi.org/10.1039/c1cc14687d
State	Published - Nov 14 2011

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
General Chemistry
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "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.",

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AU - Khare, Ankur

AU - Wills, Andrew W.

AU - Ammerman, Lauren M.

AU - Norris, David J.

AU - Aydil, Eray S.

PY - 2011/11/14

Y1 - 2011/11/14

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AB - 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.

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Size control and quantum confinement in Cu₂ZnSnS₄ nanocrystals

Abstract

ASJC Scopus subject areas

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