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Just Accepted in Chemistry of Materials: Solution Synthesis and Assembly of Wurtzite-Derived Cu–In–Zn–S Nanorods with Tunable Composition and Band Gap

Solution Synthesis and Assembly of Wurtzite-Derived Cu–In–Zn–S Nanorods with Tunable Composition and Band Gap

Materials and Surface Science Institute (MSSI) and Department of Chemical and Environmental Sciences, University of Limerick, Limerick, Ireland
The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
§ McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
Chem. Mater., Article ASAP
DOI: 10.1021/cm5035613
Publication Date (Web): February 11, 2015
Copyright © 2015 American Chemical Society

We report a low-energy colloidal synthesis route to homogeneously alloyed Cu–In–Zn–S nanorods that have the wurtzite crystal structure and demonstrate that the optical band gap of these nanorods is compositionally tunable through direct control of the zinc precursor molar ratio. The as-synthesized nanorods are highly monodisperse and can be assembled in both lateral and perpendicular arrays at the liquid–air interface.cm-2014-035613_0005