4.6 Article

Solution Growth and Cathodoluminescence of Novel SnO2 Core-Shell Homogeneous Microspheres

Journal

JOURNAL OF PHYSICAL CHEMISTRY C
Volume 114, Issue 18, Pages 8235-8240

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/jp100942m

Keywords

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Funding

  1. Doctor Start-up Fund of Harbin Normal University [KGB200802]
  2. National Natural Science Foundation of China [20871037]
  3. Natural Science Foundation of Heilongjiang Province [B2007-2]
  4. Science Technology and Research Project of Education Bureau, Heilongjiang Province [11531229, 12531236]
  5. High-level Talent Recruitment Foundation of Huazhong University of Science and Technology
  6. Basic Scientific Research Funds for Central Colleges [Q2009043]
  7. Natural Science Foundation of Hubei Province [2009CDB326]
  8. Research Fund for the Doctoral Program of Higher Education [20090142120059]

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Large-scale novel core-shell microspheres of SnO2 have been synthesized through a simple solution method at 200 degrees C. Morphologies, microstructures, and compositions of the products are investigated by X-ray powder diffraction, Raman spectroscopy, scanning electron microscopy, and transmission electron microscopy. Results indicate that the SnO2 microspheres are core-shell structures with an average diameter of 6 mu m and an average shell thickness of 200 nm. A growth mechanism and the cathodoluminescence properties of these novel structures are presented.

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