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Proceedings Paper

Optical properties and local structure of Ag(1) dopant in ZnSe:Ag nanoparticles
Author(s): Thaddeus J. Norman; Thea Wilson; Donny Magana; Jin Z. Zhang; Frank Bridges
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Paper Abstract

Ag(I) doped ZnSe nanoparticles were synthesized using molecular cluster precursors. In the emission spectrum at 390 excitation, three emission bands, centered at 432 nm, 517 nm, and 484 nm, respectively were observed. The 432 nm and 517 nm bands can be assigned to ZnSe band-edge emission and donor-accepter emission from the vacancies and trap states in the ZnSe lattice to the Ag(I) dopant, respectively. Similarly the 484 nm band could be the result of ZnSe trap state or vacancies to Ag(I) acceptor emission or simply ZnSe trap state emission. X-ray Absorption Fine Structure (XAFS) data were collected at the Ag K-edge of the Ag(I) doped ZnSe nanoparticles. From these data it was concluded that the Ag(I) dopant occupied a variety of different environments in the ZnSe lattice.

Paper Details

Date Published: 4 December 2003
PDF: 7 pages
Proc. SPIE 5223, Physical Chemistry of Interfaces and Nanomaterials II, (4 December 2003); doi: 10.1117/12.506400
Show Author Affiliations
Thaddeus J. Norman, Univ. of California/Santa Cruz (United States)
Thea Wilson, Univ. of California/Santa Cruz (United States)
Donny Magana, Univ. of California/Santa Cruz (United States)
Jin Z. Zhang, Univ. of California/Santa Cruz (United States)
Frank Bridges, Univ. of California/Santa Cruz (United States)


Published in SPIE Proceedings Vol. 5223:
Physical Chemistry of Interfaces and Nanomaterials II
Tianquan Lian; Hai-Lung Dai, Editor(s)

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