Research Papers

Titania species on two-dimensional HNbMoO6 nanosheets: structural feature, interaction model, and synergistic effect for photocatalytic degradation of methylene blue

[+] Author Affiliations
Lifang Hu

Anhui University of Science and Technology, School of Earth and Environment, 168 Shungeng Road, Huainan 232001, China

Anhui University of Science and Technology, School of Chemical Engineering, 168 Shungeng Road, Huainan 232001, China

Jie He, Lei Xu, Dewei Li, Peipei Zhang

Anhui University of Science and Technology, School of Chemical Engineering, 168 Shungeng Road, Huainan 232001, China

J. Nanophoton. 10(4), 046015 (Dec 07, 2016). doi:10.1117/1.JNP.10.046015
History: Received July 18, 2016; Accepted October 27, 2016
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Abstract.  HNbMoO6-based nanocomposite material T-HNbMoO6 is assembled by titania species dispersed on HNbMoO6 nanosheets (N-HNbMoO6), which is obtained through the mechanical exfoliation of layered HNbMoO6 (L-HNbMoO6). The microstructures, skeleton features, and spectral-response characteristics of the as-prepared materials were characterized by means of technologies, such as powder x-ray diffraction, field emission scanning electron microscope with energy dispersive spectroscopy mapping, high-resolution transmission electron microscopy with energy dispersive x-ray spectrometer, N2 adsorption–desorption isotherms, laser Raman spectroscopy, x-ray photoelectron spectroscopy, UV-vis diffuse reflectance spectroscopy, Mott–Schottky curves, and H2 temperature-programmed reduction analysis. The photocatalytic activity was evaluated by the degradation of methylene blue dye under the Xe lamp irradiation. The results showed that the titania species are dispersed on the surface of N-HNbMoO6 resulting from the interaction between guest titania species and host N-HNbMoO6. T-HNbMoO6 owns the best photocatalytic performance, which may be attributed to the synergistic effect between N-HNbMoO6 and titania species.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Lifang Hu ; Jie He ; Lei Xu ; Dewei Li and Peipei Zhang
"Titania species on two-dimensional HNbMoO6 nanosheets: structural feature, interaction model, and synergistic effect for photocatalytic degradation of methylene blue", J. Nanophoton. 10(4), 046015 (Dec 07, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.046015


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