Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Synthesis and Characterization of KTiNbO5 Nano-particles by Novel Polymerizable Complex Method

  • Wang, Ning-Ning (School of Chemical Engineering, Anhui University of Science and Technology) ;
  • Lan, Yun-Xiang (School of Chemical Engineering, Anhui University of Science and Technology) ;
  • He, Jie (School of Chemical Engineering, Anhui University of Science and Technology) ;
  • Dong, Rui (Chemical and Biological Engineering College, Yancheng Institute of Technology) ;
  • Hu, Jin-Song (School of Chemical Engineering, Anhui University of Science and Technology)
  • Received : 2013.05.03
  • Accepted : 2013.06.25
  • Published : 2013.09.20
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Abstract

The layered $KTiNbO_5$ was successfully synthesized with titanium(IV) isopropoxide and niobium oxalate by a novel polymerized complex (PC) method. The morphology and structure of the as-prepared sample was characterized by means of High-Resolution Transmission Electron Microscope, powder X-ray diffraction, and Laser Raman Spectroscopy. The spectral response characteristic was recorded by using UV-vis Diffuse Reflectance Spectroscopy. Results show that $KTiNbO_5$ as-prepared by PC method presents an uniform morphology of nano-particles, the mean particle sizes is ca. 28 nm corresponding to the (002), and the crystal structure can be well indexed to the orthorhombic phase. The sample as-prepared by PC method has higher band gap energy than that of the sample prepared by a solid-state reaction method due to the quantum size effect.

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