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Journal of Solid State Electrochemistry

, Volume 22, Issue 8, pp 2413–2423 | Cite as

Preparation of electrospun heterostructured hollow SnO2/CuO nanofibers and their enhanced visible light photocatalytic performance

  • Kai Wang
  • Weizhou Zhang
  • Feipeng Lou
  • Ting Wei
  • Ziming Qian
  • Weihong Guo
Original Paper

Abstract

Heterostructured SnO2/CuO nanofibers with a hollow morphology were successfully fabricated by a one-step electrospinning method. The electrospun nanofibers were transformed into hollow nanostructures in the presence of camphene after a calcination process, and the obtained samples were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV-vis diffuse reflection spectroscopy (DRS), photoluminescence spectra (PL), and photodegradation measurements. The scanning electron microscopy (SEM) images displayed a rough and hollow structure for the obtained nanofibers. X-ray photoelectron spectroscopy (XPS) and energy-dispersive X-ray spectroscopy (EDX) identified the molecular composition and chemical interactions of the nanofibers. Photoluminescent (PL) measurements indicated that a recombination of the photoinduced electrons and holes was further inhibited due to the hollow nanostructure. Furthermore, the photodegradation of methylene blue suggested that the heterostructured SnO2/CuO hollow nanofibers possessed higher charge separation and photodegradation abilities than those of the other samples under visible light irradiation. This work can be potentially applied to the fabrication of other inorganic oxide photocatalysts with enhanced photodegradation activity in the field of environmental remediation.

Keywords

Electrospinning Heterostructure Hollow nanostructure Photocatalysis 

Notes

Acknowledgements

The authors sincerely acknowledge “Scientific and Technological Achievements Transformation Program of Jiangsu Province (SBA2014010034)” and “Ningbo Industrial Major Projects (201601ZD-A01026).”

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Polymer Processing Laboratory, Key Laboratory for Preparation and Application of Ultrafine Materials of Ministry of Education, School of Material Science and EngineeringEast China University of Science and TechnologyShanghaiPeople’s Republic of China
  2. 2.Jiangsu Hengtong Power Cable Co., Ltd.SuzhouPeople’s Republic of China

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