Journal
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
Volume 42, Issue -, Pages 66-71Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2015.08.042
Keywords
Semiconductor composites; Surface charge; Photocatalytic activity; Titania; Tungsten oxide
Categories
Funding
- Romanian National Authority for Scientific Research, CNCS-UEFISCDI (National Research Council-Executive Agency for Higher Education, Research, Development and Innovation Funding) [PN-II-ID-PCE-2011-3-0442]
- European Union
- European Social Fund
- National Excellence Program - Elaborating and operating an inland student and researcher personal support system convergence program [TAMOP 4.2.4. A/2-11-1-2012-0001]
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The present research focused on the preparation of TiO2/WO3 (76/24 wt. %) composite photocatalysts for the photodegradation of methyl orange under UV light. The composites were prepared by the adjustment of the surface charge of the individual semiconductors, achieving a homogeneous distribution of the components within the composite. This resulted in a homogeneous distribution of the components within the composite. The individual WO3 and TiO2 nanocrystals were obtained either by sol-gel or by hydrothermal synthesis. The produced nanomaterials were characterized by using TEM, SEM, XRD and DRS. Major differences in their photocatalytic performance depended on the nature of the precursors, and the synthesis pathway. (C) 2015 Elsevier Ltd. All rights reserved.
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