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Controlled Synthesis and Photocatalytic Performance of [email protected] Nanospheres with Core–Shell and Yolk-Shell Structures Assisted by Carbonaceous Layers as Intermediate

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[email protected] nanospheres with controlled core–shell and yolk-shell features were successfully fabricated through a facile template-based solvothermal method using carbonaceous layers as intermediate. The active carbonaceous layers containing numerous surface functional groups such as OH and C═O play key roles in fabrication of the [email protected] nanospheres. The structures of [email protected] can easily controlled by adjusting the concentration of Zn ions aqueous solution and/or the size of [email protected] microspheres. The synthesis strategy proposed in this paper is also verified to be suitable for fabricating some other [email protected] oxides nanospheres such as [email protected]2 and [email protected]2O3 with controlled structures. Furthermore, due to the synergic effect of the surface plasma resonance effect of Au cores and the large surface area of 122.67 m2 g−1, the [email protected] nanospheres with yolk-shell feature exhibite good photocatalytic activity and stability under visible-light irradiation.
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Keywords: [email protected]; Core–Shell; Photocatalytic; Yolk-Shell

Document Type: Research Article

Affiliations: 1: Tianjin Key Laboratory of Composite and Functional Materials, Department of Material Science and Engineering, Tianjin University, Tianjin, 300072, China 2: College of Environmental and Chemical Engineering, Shanghai University of Electric Power, Shanghai, 200090, China

Publication date: April 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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