Nano Letters, 1 (7), 349 -351, 2001. 10.1021/nl015559r S1530-6984(01)05559-X
Web Release Date: July 11, 2001

Copyright © 2001 American Chemical Society

Band Gap Variation of Size- and Shape-Controlled Colloidal CdSe Quantum Rods

Liang-shi Li, Jiangtao Hu, Weidong Yang, and A. Paul Alivisatos*

Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, and Materials Science Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720

Received May 3, 2001

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Abstract:

We report the band gaps of rodlike CdSe quantum dots with diameter varying from 3.0 to 6.5 nm and length from 7.5 to 40 nm. A qualitative explanation for the dependence of band gap on width and length is presented.

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