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Title: Synthesis of CdTe/TiO{sub 2} nanoparticles and their photocatalytic activity

Graphical abstract: - Highlights: • CdTe/TiO{sub 2} photocatalysts were synthesized through a facile and convenient method. • The photosensitized degradation of RhB was largely enhanced by the composite. • Products prepared under MBSL condition exhibited higher photocatalytic activities. • The effect of MBSL had been investigated. - Abstract: Visible-light-induced CdTe/TiO{sub 2} photocatalysts were synthesized under multibubble sonoluminescence (MBSL) condition. The morphology, phase and optical properties of the products have been characterized by X-ray powder diffraction, field emission scan electron microscope, UV–vis absorption spectroscopy and photoluminescence spectroscopy. The results showed that as-prepared nanoparticles are well-crystallized with a better size distribution. In addition, the photocatalytic activities of products were evaluated using the photocatalytic degradation of rhodamine B as a probe reaction. The results showed that the products synthesized under MBSL condition exhibited higher photocatalytic activities than those without MBSL irradiation.
Authors:
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Publication Date:
OSTI Identifier:
22285160
Resource Type:
Journal Article
Resource Relation:
Journal Name: Materials Research Bulletin; Journal Volume: 48; Journal Issue: 10; Other Information: Copyright (c) 2013 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; ABSORPTION SPECTROSCOPY; CADMIUM TELLURIDES; FIELD EMISSION; NANOSTRUCTURES; OPTICAL PROPERTIES; PARTICLES; PHOTOCATALYSIS; PHOTOLUMINESCENCE; SYNTHESIS; TITANIUM OXIDES; X-RAY DIFFRACTION