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One-Step Electrospinning Method to Prepare Gold Decorated on TiO2 Nanofibers with Enhanced Photocatalytic Activity

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A gold doped titanium dioxide (TiO2) nanofiber was prepared by one-step electrospinning technique to control the DC high voltage and the following calcination. The crystal structures and morphology of Au–TiO2 nanofibers were characterized in detail by X-ray diffraction (XRD), energy dispersive photoelectron spectroscopy (EDS), scanning electron microscope (SEM) and transmission electron microscope (TEM). These results indicate that Au is successfully incorporated into TiO2 nanofibers without gold loss, while Au and TiO2 form a heterogeneous structure. It implied that the Schottky barrier existed by X-ray photoelectron spectroscopy (XPS) of 0.075% Au–TiO2. For 0.075% Au–TiO2 nanofibers, the rate of photocatalytic degradation of methylene (MB) was significantly higher than that of pure TiO2 nanofibers.
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Keywords: Electrospinning; Nanofibers; One-Step; Photocatalysis; Schottky Barrier

Document Type: Research Article

Affiliations: Key Laboratory of Atomic and Molecular Physics and Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China

Publication date: May 1, 2018

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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