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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 2/2016

01.02.2016 | Original Paper

A simple hydrothermal route for the low-temperature processing of nanocrystalline TiO2

verfasst von: Gholamhossein Mohammadnezhad, Mostafa M. Amini

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2016

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Abstract

Well-shaped pure anatase TiO2 nanocrystals were successfully synthesized using an indirect approach by hydrolysis of titanium n-butoxide in 2-propanol, 2-butanol, and 2-pentanol. TiO2 nanocrystals formed without any auxiliary reactants or surfactants at a temperature as low as 200 °C using a simple hydrothermal-assisted sol–gel processing method. The effect of the chain length of alcohol on the degree of crystallinity, particle size, porosity, and pore size was investigated by low-angle and wide-angle X-ray diffraction (XRD), scanning electron microscope, energy-dispersive X-ray, transmission electron microscopy, high-resolution transmission electron microscopy (HR-TEM), selected-area electron diffraction (SAED), and N2 adsorption–desorption analyses. XRD techniques confirmed the crystalline nature and mesostructure of the as-prepared samples. HR-TEM images for the prepared sample in 2-propanol (Ti-1) which is obtained without any calcination show the well-crystallized structure having equilateral hexagonal shape and uniform size. In accordance with XRD data, SAED image shows distinct electron diffraction rings of the set of interplanar distances which could be indexed to the tetragonal phase of TiO2.

Graphical Abstract

Vorheriger Artikel Optical properties of nanostructured Cd10−x Cu x ZnO composite films by sol–gel method
Nächster Artikel Novel pH-responsive swing gate system for adsorption and controlled release of BTB and MG dyes using amine functionalized mesoporous SBA-15 silica

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Metadaten
Titel
A simple hydrothermal route for the low-temperature processing of nanocrystalline TiO2
verfasst von
Gholamhossein Mohammadnezhad
Mostafa M. Amini
Publikationsdatum
01.02.2016
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 2/2016
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-015-3864-4

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