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Preparation and catalytic behavior of hollow Ag/carbon nanofibers

机译:中空Ag /碳纳米纤维的制备及其催化性能。

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A novel carbon nanofiber containing silver nanoparticles (NPs) with hollow structure was fabricated via co-electrospinning and in situ reduction. The hollow structure avoided the waste of silver NPs embedded in the nanofibers while ensuring high specific surface area. The formation of silver NPs was confirmed by Field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The catalytic behavior of the nanofibers obtained to the reduction of methylene blue with NaBH4 was tracked by UV-visible spectroscopy. The results showed that carbon nanofibers containing silver NPs with hollow structure possessed significant catalytic properties. (C) 2015 Elsevier B.V. All rights reserved.
机译:通过共电纺丝和原位还原制备了一种新型的含有中空结构的含银纳米粒子的碳纳米纤维。中空结构避免了嵌入纳米纤维中的银纳米颗粒的浪费,同时确保了高比表面积。通过场发射扫描电子显微镜(FE-SEM),透射电子显微镜(TEM),傅立叶变换红外光谱(FT-IR),X射线衍射(XRD)和X射线光电子证实了银纳米颗粒的形成光谱(XPS)。通过紫外-可见光谱法追踪获得的纳米纤维对NaBH4还原亚甲基蓝的催化行为。结果表明,具有中空结构的银纳米粒子的碳纳米纤维具有明显的催化性能。 (C)2015 Elsevier B.V.保留所有权利。

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