4.6 Article

Electrical and photoluminescent behaviors of La(OH)3 nanobelts doped with Ce3+ and Er3+

Journal

MATERIALS CHEMISTRY AND PHYSICS
Volume 123, Issue 2-3, Pages 502-506

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2010.05.004

Keywords

La(OH)(3); Semiconductor; Doping; Conductivity; Luminescence; Band-structure

Funding

  1. National Science Foundation of China (NSFC) [50702031, 50872070]
  2. National Basic Research Program of China (973 Program) [2009CB930503]

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We report here the electrical and photoluminescent behaviors of lanthanum hydroxide [La(OH)(3)] nanobelts doped with Ce3+ and Er3+. It is found that both the electrical conductivity and the fluorescence properties of the doped La(OH)(3) can be significantly improved in comparison with their undoped counterparts. Microstructural and morphological aspects of La(OH)(3) nanobelts before and after the doping process were examined by X-ray diffractometry (XRD), scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM). Experimental results are discussed on the basis of classical semiconductor theory. (C) 2010 Elsevier B.V. All rights reserved.

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