NDLI: Chemical synthesis of Ni/TiO$_{2}$ nanophotocatalyst for UV/visible light assisted degradation of organic dye in aqueous solution

Content Provider	Springer Nature Link
Author	Zhang, Dongfang
Copyright Year	2010
Abstract	The Ni/TiO$_{2}$ nanoparticles with different Ni dopant content were prepared by a modified sol–gel method. The structure and photoinduced charge properties of the as-prepared catalysts were determined using X-ray diffraction, transmission electron microscopy, UV–vis diffuse reflectance spectroscopy and surface photovoltage spectroscopy techniques, and the photocatalytic efficiency of these catalysts was tested using an organic dye. It was shown that Ni modification could greatly enhance the photocatalytic efficiency of these nanocomposite catalysts by taking the photodegradation of methyl orange as a model reaction. With appropriate ratio of Ni and TiO$_{2}$, Ni/TiO$_{2}$ nanocomposites showed the superior photocatalytic activity than the single TiO$_{2}$ nanoparticles. Surface photovoltage spectra demonstrated that Ni modification could effectively inhibit the recombination of the photoinduced electron and holes of TiO$_{2}$. This electron–hole pair separation conditions are responsible for the higher photocatalytic performance of Ni/TiO$_{2}$ nanocomposites in the visible region of electromagnetic spectrum.
Starting Page	312
Ending Page	318
Page Count	7
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	58
Issue Number	1
e-ISSN	15734846
Language	English
Publisher	Springer US
Publisher Date	2011-01-04
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Photocatalyst Modification Dye degradation Inorganic Chemistry Nanotechnology Optical and Electronic Materials Ceramics, Glass, Composites, Natural Methods
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Chemistry Materials Chemistry Biomaterials Condensed Matter Physics Electronic, Optical and Magnetic Materials

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