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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 3/2017

22.11.2016 | Original Paper: Sol-gel and hybrid materials for catalytic, photoelectrochemical and sensor applications

Photocatalytic activity of CaTiO3 synthesized by solid state, sol–gel and hydrothermal methods

verfasst von: Chong Han, Jingjing Liu, Wangjin Yang, Qianqian Wu, He Yang, Xiangxin Xue

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 3/2017

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Abstract

The structures and compositions of CaTiO3 samples synthesized by solid state, sol–gel, and hydrothermal methods were characterized by various means such as X-ray diffractometer, scanning electron microscope, Brunauer–Emmett–Teller, Fourier transform infrared spectrometer, Raman spectra, X-ray photoelectron spectroscopy, and UV–vis diffuse reflection spectra. Photocatalytic activity of CaTiO3 was investigated via measuring the photodegradation of methylene blue. As-prepared samples by three methods were orthorhombic CaTiO3, showing heterogeneous sizes and diverse morphologies. Functional groups including Ti–O, N–O, and OH were detected for three CaTiO3 samples. In particular, the XPS spectra suggested the presence of Ti–O–N or Ti–N–O structure in CaTiO3 lattice, indicating that N in air or Ca(NO3)2·4H2O (Ca source) may lead to forming N-doped CaTiO3 by solid state method or sol–gel and hydrothermal methods. Photocatalytic activity of CaTiO3 prepared by the hydrothermal method was the highest among three CaTiO3 samples, whereas it was lower than that of TiO2.

Graphical Abstract

https://static-content.springer.com/image/art%3A10.1007%2Fs10971-016-4261-3/MediaObjects/10971_2016_4261_Figa_HTML.gif
Vorheriger Artikel Synthesis of MgB4O7 and Li2B4O7 crystals by proteic sol–gel and Pechini methods
Nächster Artikel Synthesizing nanostructured crack-free thick films of Fe-doped lead zirconate titanate by sol–gel dip coating method

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Metadaten
Titel
Photocatalytic activity of CaTiO3 synthesized by solid state, sol–gel and hydrothermal methods
verfasst von
Chong Han
Jingjing Liu
Wangjin Yang
Qianqian Wu
He Yang
Xiangxin Xue
Publikationsdatum
22.11.2016
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 3/2017
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-016-4261-3

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