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Optical Properties and Local Structure of Cu(II) Dopant in ZnSe Nanoparticles

Published online by Cambridge University Press:  15 February 2011

Thaddeus J. Norman Jr ,
Donny Magana ,
Frank Bridges  and
Jin Z. Zhang
Thaddeus J. Norman Jr
Affiliation:
Department of Chemistry, University of California Santa Cruz, Santa Cruz, CA 95064, U.S.A
Donny Magana
Affiliation:
Department of Chemistry, University of California Santa Cruz, Santa Cruz, CA 95064, U.S.A
Frank Bridges
Affiliation:
Department of Physics, University of California Santa Cruz, Santa Cruz, CA 95064, U.S.A.
Jin Z. Zhang
Affiliation:
Department of Chemistry, University of California Santa Cruz, Santa Cruz, CA 95064, U.S.A
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Abstract

Cu(II) doped ZnSe nanoparticles were synthesized using molecular cluster precursors. The Cu(II) dopant had the effect of quenching the ZnSe band edge emission, yet only weak emission from Cu(II) centers was observed. An X-ray Absorption Fine Structure (XAFS) experiment was performed on the Cu(II) doped ZnSe nanoparticles. It was determined that the Cu(II) occupies a tetrahedral site in the lattice in an environment similar to that of Cu in bulk Cu2Se, and is likely to have substituted for Zn(II) in the lattice.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 776: Symposium Q – Unconventional Approaches to Nanostructures with Applications in Electronics, Photonics, Information Storage and Sensing , 2003 , Q1.4
Copyright
Copyright © Materials Research Society 2003

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