Fabrication and characterization of cerium-doped barium titanate inverse opal by sol-gel method

Journal Article · Mon Jan 15 00:00:00 EST 2007 · Journal of Solid State Chemistry

DOI:https://doi.org/10.1016/j.jssc.2006.10.015· OSTI ID:21015651

Yi, Jin ^[1]; Xiaoling, Yang ^[1]; Chunzhong, Li ^[1]; Jinghong, Zhou ^[2]

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1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials, Science and Engineering, East China University of Science and Technology, Shanghai 200237 (China)
2. UNILAB, State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237 (China)

Cerium-doped barium titanate inverted opal was synthesized from barium acetate contained cerous acetate and tetrabutyl titanate in the interstitial spaces of a polystyrene (PS) opal. This procedure involves infiltration of precursors into the interstices of the PS opal template followed by hydrolytic polycondensation of the precursors to amorphous barium titanate and removal of the PS opal by calcination. The morphologies of opal and inverse opal were characterized by scanning electron microscope (SEM). The pores were characterized by mercury intrusion porosimetry (MIP). X-ray photoelectron spectroscopy (XPS) investigation showed the doping structure of cerium, barium and titanium. And powder X-ray diffraction allows one to observe the influence of doping degree on the grain size. The lattice parameters, crystal size and lattice strain were calculated by the Rietveld refinement method. The synthesis of cerium-doped barium titanate inverted opals provides an opportunity to electrically and optically engineer the photonic band structure and the possibility of developing tunable three-dimensional photonic crystal devices. - Graphical abstract: Cerium-doped barium titanate inverted opal was synthesized from barium acetate acid contained cerous acetate and tetrabutyl titanate in the interstitial spaces of a PS opal, which involves infiltration of precursors into the interstices of the PS opal template and removal of the PS opal by calcination.

• OSTI ID: 21015651
• Journal Information: Journal of Solid State Chemistry, Vol. 180, Issue 1; Other Information: DOI: 10.1016/j.jssc.2006.10.015; PII: S0022-4596(06)00547-0; Copyright (c) 2006 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-4596
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
BARIUM COMPOUNDS
CERIUM
CERIUM COMPOUNDS
DOPED MATERIALS
FABRICATION
GRAIN SIZE
INTERSTITIALS
LATTICE PARAMETERS
MORPHOLOGY
OPALS
POLYSTYRENE
SCANNING ELECTRON MICROSCOPY
SOL-GEL PROCESS
TITANATES
X-RAY DIFFRACTION
X-RAY PHOTOELECTRON SPECTROSCOPY