4.5 Article

Hydrothermal and sonochemical preparation and photocatalytic and bactericidal activities of ZnFe2O4-SnO2 nanocomposite

期刊

SUPERLATTICES AND MICROSTRUCTURES
卷 60, 期 -, 页码 487-499

出版社

ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.spmi.2013.05.028

关键词

Nanoparticle; Composite; Semiconductor; Phenol; E. coli

资金

  1. Science and Engineering Research Board (SERB), Department of Science and Technology (DST), New Delhi [SR/S1/PC-41/2011]
  2. Council of Scientific and Industrial Research (CSIR), New Delhi [21(0887)/12/EMR-II]
  3. CSIR
  4. DST

向作者/读者索取更多资源

ZnFe2O4-SnO2 nanocomposite has been prepared by hydrothermal and sonochemical methods. Electron microscopic images reveal the composites as nanomaterials. X-ray diffractograms show cubic ZnFe2O4 and tetragonal SnO2 as the components of the composites. The energy dispersive X-ray spectra provide the composition of hydrothermally and sonochemically prepared composites as 71% (mol.) SnO2 and 29% (mol.) ZnFe2O4 and 14.4% (mol.) SnO2 and 85.6% (mol.) ZnFe2O4, respectively. Both the composites absorb visible light. The composites are ferromagnetic and the saturation magnetization of hydrothermally prepared nanocomposite is less than that of sonochemically obtained one. Visible light-photocatalytic activity of hydrothermally prepared nanocomposite is larger than that of the other. In addition, both the nanocomposites exhibit bactericidal activity. Hydrothermally prepared ZnFe2O4-SnO2 nanocomposite is a magnetically separable antibacterial visible light-photocatalyst and is a promising nanomaterial for environmental cleanup. (C) 2013 Elsevier Ltd. All rights reserved.

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