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Title: One-pot hydrothermal synthesis of zeolite/sodium tantalate composite and its photodegradation of methyl orange

Highlights: • Sodalite/NaTaO{sub 3} composite is prepared by a one-pot hydrothermal synthesis. • Enhanced photodegradation is achieved due to the heterogeneous doping effect. • Structure distortion is found for NaTaO{sub 3} after removing sodalite by acid washing. - Abstract: Sodalite/NaTaO{sub 3} composite was prepared by a one-pot hydrothermal synthesis method. Sodalite and NaTaO{sub 3} grow interpenetrated, and the resulting composites have similar morphology as the pure sodalite. The sodalite/NaTaO{sub 3} composite has a lower band gap of 3.35 eV due to the heterogeneous doping effect, and exhibits an enhanced photodegradation of methyl orange under UV irradiation as compared to the pure NaTaO{sub 3}. A slight structure distortion is found for NaTaO{sub 3} after removing sodalite by acid washing the sodalite/NaTaO{sub 3} composite, and such result further confirms the co-growth of the two crystals. This one-pot hydrothermal method opens up new avenues for the preparation of photocatalytic composites.
Authors:
 [1] ;  [2] ;  [3] ;  [1] ;  [1] ;  [4]
  1. College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037 (China)
  2. (China)
  3. School of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030021 (China)
  4. (Australia)
Publication Date:
OSTI Identifier:
22475845
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Research Bulletin; Journal Volume: 68; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COMPOSITE MATERIALS; CRYSTALS; DECOMPOSITION; HYDROTHERMAL SYNTHESIS; IRRADIATION; METHYL ORANGE; PHOTOCATALYSIS; SODIUM; TANTALATES; ZEOLITES