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Erschienen in: Journal of Sol-Gel Science and Technology 1/2016

01.10.2016 | Original Paper: Industrial and technological applications of sol-gel and hybrid materials

Photocatalytic degradation of indigo carmine using Nd-doped TiO2-decorated graphene oxide nanocomposites

verfasst von: Samuel Osei-Bonsu Oppong, William W. Anku, Sudheesh K. Shukla, Eric S. Agorku, Poomani P. Govender

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2016

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Abstract

A series of neodymium-doped titanium dioxide (Nd–TiO2) decorated on graphene oxide (GO) were synthesized by sol–gel method. The structures, morphologies and optical properties of the nanocomposites (Nd–TiO2–GO) were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Raman spectroscopy, Fourier transform infrared spectroscopy and ultraviolet–visible spectroscopy. The photocatalytic study of Nd–TiO2–GO nanocomposites was evaluated via the degradation of indigo carmine under simulated solar light. Results demonstrated that the photodegradation efficiency of indigo carmine solutions irradiated by solar simulated light for 3 h with the nanocomposites used as a catalyst reached a level of 92 % (0.6 % Nd). This high photocatalytic degradation of indigo carmine solutions by the Nd–TiO2–GO nanocomposites is ascribed to the spherical nanocrystalline size of TiO2.

Graphical Abstract

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Metadaten
Titel
Photocatalytic degradation of indigo carmine using Nd-doped TiO2-decorated graphene oxide nanocomposites
verfasst von
Samuel Osei-Bonsu Oppong
William W. Anku
Sudheesh K. Shukla
Eric S. Agorku
Poomani P. Govender
Publikationsdatum
01.10.2016
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 1/2016
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-016-4062-8

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Original Paper: Nano- and macroporous materials (aerogels, xerogels, cryogels, etc.)

Application of silica-based monolith as solid-phase extraction sorbent for extracting toxaphene congeners in soil

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High ferroelectric performance of Bi0.9La0.1FeO3 thick film by optimizing preparation precursor solution

Original Paper: Nano- and macroporous materials (aerogels, xerogels, cryogels, etc.)

How the internal structures of the imprinted and the random hydrogels change upon washing?

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