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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 2 — Jan. 15, 2012
  • pp: 211–213

Effective control of photoluminescence from ZnO nanowires by a-SiNx:H decoration

Rui Huang, Shuigang Xu, Xiang Wang, Wenhao Guo, Chao Song, Jie Song, Kin Ming Ho, Shengwang Du, and Ning Wang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 2, pp. 211-213 (2012)
http://dx.doi.org/10.1364/OL.37.000211


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Abstract

The a-SiNx:H with a large bandgap of 3.8 eV was utilized to decorate ZnO nanowires. The UV emission from the a-SiNx:H-decorated ZnO nanowires are greatly enhanced compared with the undecorated ZnO nanowire. The deep-level defect emission has been completely suppressed even though the sample was annealed at temperatures up to 400 °C. The incorporation of H and N is suggested to passivate the defect states at the nanowire surface and thus result in the flat-band effect near ZnO surface as well as reduction of the nonradiative recombination probability.

© 2012 Optical Society of America

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(160.4760) Materials : Optical properties
(250.5230) Optoelectronics : Photoluminescence
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Materials

History
Original Manuscript: October 17, 2011
Revised Manuscript: November 11, 2011
Manuscript Accepted: November 11, 2011
Published: January 12, 2012

Citation
Rui Huang, Shuigang Xu, Xiang Wang, Wenhao Guo, Chao Song, Jie Song, Kin Ming Ho, Shengwang Du, and Ning Wang, "Effective control of photoluminescence from ZnO nanowires by a-SiNx:H decoration," Opt. Lett. 37, 211-213 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-2-211


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