Synthesis of TiO2–CTAB–SiC composite possessing the microwave absorption capacity and its photocatalytic performance in the microwave field

Synthesis of TiO2–CTAB–SiC composite possessing the microwave absorption capacity and its... The synthesis of high activity TiO2–CTAB–SiC composite possessing the microwave absorption capacity has been reported. Herein, the commercial Silicon carbide (SiC) particles were used as the microwave absorbent and supporter. TiO2 nanopowders were loaded on the surface of SiC modified by hexadecyl trimethyl ammonium bromide (CTAB) via the hydrothermal route. The as-prepared TiO2–CTAB–SiC composite was characterized by X-ray diffraction, field-emission scanning electron microscopy, Fourier transformed infrared spectra, inductively coupled plasma-atomic emission spectrometry and fluorescence emission (PL). Its photocatalytic activity was evaluated by the degradation of rhodamine B in the microwave discharge electrodeless lamp (MDEL) system. The experimental results showed that TiO2–CTAB–SiC composite exhibited obviously higher photocatalytic activity in the MDEL system compared with pure TiO2 nanopowders. Their reusability and separation performance were evaluated by recycling experiments. The reasons for the improvement in photocatalytic performance were discussed in detail. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Synthesis of TiO2–CTAB–SiC composite possessing the microwave absorption capacity and its photocatalytic performance in the microwave field

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Publisher
Springer Journals
Copyright
Copyright © 2017 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-017-2907-6
Publisher site
See Article on Publisher Site

Abstract

The synthesis of high activity TiO2–CTAB–SiC composite possessing the microwave absorption capacity has been reported. Herein, the commercial Silicon carbide (SiC) particles were used as the microwave absorbent and supporter. TiO2 nanopowders were loaded on the surface of SiC modified by hexadecyl trimethyl ammonium bromide (CTAB) via the hydrothermal route. The as-prepared TiO2–CTAB–SiC composite was characterized by X-ray diffraction, field-emission scanning electron microscopy, Fourier transformed infrared spectra, inductively coupled plasma-atomic emission spectrometry and fluorescence emission (PL). Its photocatalytic activity was evaluated by the degradation of rhodamine B in the microwave discharge electrodeless lamp (MDEL) system. The experimental results showed that TiO2–CTAB–SiC composite exhibited obviously higher photocatalytic activity in the MDEL system compared with pure TiO2 nanopowders. Their reusability and separation performance were evaluated by recycling experiments. The reasons for the improvement in photocatalytic performance were discussed in detail.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Feb 24, 2017

References

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