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Ag-Deposited Electrospun SrTiO3 Nanofiber with Enhanced Photocatalytic Activity for Degradation of Methylene Orange

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Perovskite SrTiO3 nanofibers were successfully fabricated using a facile electrospinning method followed by calcination in air. The structures, morphologies, and photocatalytic performance of the one-dimensional SrTiO3 nanofibers were determined through X-ray diffraction, UV-visible spectroscopy, scanning electron microscopy, and degradation of organic dye under light irradiation. The nanofibrous SrTiO3 exhibited enhanced photocatalytic activity after photodeposition of Ag on its surface to degrade methylene orange dye. The nanofibrous structure of Ag-deposited SrTiO3 was well preserved after photocatalytic degradation, revealing that the electrospun SrTiO3 nanofiber exhibited high stability. The improved photocatalytic activity can be attributed to the extension of the visible light absorption edge and efficient charge separation on the Ag-deposited SrTiO3 nanofibers.
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Keywords: Ag; Electrospinning; Nanofiber; Photocatalysis; SrTiO3

Document Type: Research Article

Affiliations: Department of Chemical Engineering and R&D center for Membrane Technology, Chung Yuan Christian University, Chung Li Dist., Taoyuan City, 32023, Taiwan

Publication date: 01 January 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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