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Synthesis of ZnO nanocrystals by subsequent implantation of Zn and O species

Lee, JK and Tewell, CR and Schulze, RK and Nastasi, M and Hamby, DW and Lucca, DA and Jung, HS and Hong, KS (2005) Synthesis of ZnO nanocrystals by subsequent implantation of Zn and O species. Applied Physics Letters, 86 (18). 1 - 3. ISSN 0003-6951

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Abstract

We report the preparation of ZnO nanocrystals embedded in a Si O2 matrix formed using sequential zinc and oxygen ion implantations. The optical absorption spectra and photoemission spectra of zinc implanted and zinc/oxygen coimplanted silica show that the first zinc implantation produces zinc clusters and that the subsequent oxygen implantation following the zinc implantation rearranges the distribution of zinc and oxygen ions at an atomic level. While thermal annealing of Zn only implanted silica leads to the formation of Zn nanocrystals, thermal annealing of zinc/oxygen coimplanted silica promotes the growth of ZnO nanocrystals. The absorption and photoluminescence spectra show that ZnO nanocrystals form in an amorphous Si O2 matrix and that their systematic change as a function of annealing temperature corresponds to the typical correlation between the increase of particle size and a redshift in near-band-edge emission. © 2005 American Institute of Physics.

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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Lee, JKjul37@pitt.eduJUL370000-0002-7778-7679
Tewell, CR
Schulze, RK
Nastasi, M
Hamby, DW
Lucca, DA
Jung, HS
Hong, KS
Centers: Other Centers, Institutes, Offices, or Units > Petersen Institute of NanoScience and Engineering
Date: 2 May 2005
Date Type: Publication
Journal or Publication Title: Applied Physics Letters
Volume: 86
Number: 18
Page Range: 1 - 3
DOI or Unique Handle: 10.1063/1.1906304
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
ISSN: 0003-6951
Date Deposited: 17 Nov 2014 17:57
Last Modified: 05 Feb 2019 19:55
URI: http://d-scholarship.pitt.edu/id/eprint/23502

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