期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 316, 期 1, 页码 72-79出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2007.08.023
关键词
titania; photocatalyst; laponite; colloid; surfactant; hydrothermal treatment
This study examines the use of laponite, a synthetic smectite, which forms exfoliated silicate layers when dispersed in water, as an inorganic support for titania nanocrystals. Titania nanocrystals are prepared prior to addition to the clay dispersion, by a sol-gel synthesis incorporating a microwave hydrothermal step. The characteristics of the resultant structure such as titania phase, crystallite size, and particulate size are examined 4 via X-ray diffraction (XRD), transmission electron spectroscopy (TEM), and infrared spectroscopy. (C) 2007 Elsevier Inc. All rights reserved.
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