期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 509, 期 17, 页码 5414-5419出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2011.02.069
关键词
Nanostructured materials; Chemical synthesis; Catalysis; Optical properties
Titanate nanorods with high photocatalytic activity was successfully synthesized through a simple catalyst-free hydrothermal method. The photocatalytic degradation of a model organic dye (Reactive Red 198) was accelerated by the calcination of the nanorods prior the reaction. The calcination of nanorods did not modify their morphology, however the crystallinity of the samples was significantly improved. Therefore, the quality of the samples is a key parameter determining their activity in the investigated photocatalytic process. The as-produced and annealed catalysts were characterized by high-resolution transmission electron microscopy (HR-TEM), X-ray diffraction (XRD), Diffuse Reflectance (DR) UV-Vis and resonance Raman spectroscopy. (C) 2011 Elsevier B. V. All rights reserved.
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