Journal of Electronic Materials

, Volume 48, Issue 10, pp 6591–6597 | Cite as

Cu2O-Decorated TiO2 Nanotubes with Enhanced Optical Properties and Photocatalytic Performance

  • Yonghua Shi
  • Xishun JiangEmail author
  • Shaokang Zheng
  • Yongchun Zhang
  • Zhaoqi Sun


Cu2O-decorated TiO2 nanotube arrays (NTAs) are obtained using a two-step approach on Ti sheets. The applied voltage of Cu2O is − 0.2 V and − 0.3 V, respectively. The morphology and structure of these samples have been studied by field-emission scanning electron microscope (FESEM) and an x-ray diffractometer (XRD). FESEM analyses show that nanometre-sized Cu2O particles are attached to the TiO2 NTAs and the quantity of the Cu2O has greatly increased when the applied voltage tends to be more cathodic. The diffraction peaks for the anatase TiO2 and Cu2O are detected from XRD analysis. The bandgaps of TiO2 NTAs shift from 3.27 eV to 3.11 eV based on UV–Vis absorption spectra measurements. The photocatalytic performance of the Cu2O-TiO2 NTAs depends on the Cu2O deposition voltage.


TiO2 nanotube arrays Cu2O particles photocatalytic 


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This work is supported by the National Natural Science Foundation of China (51772003), Anhui Provincial Natural Science Foundation (1608085ME95), the State Key Laboratory of Metastable Materials Science and Technology, China (2018014), the Higher Education Excellent Youth Talents Foundation of Anhui Province (gxyqZD2016328), the Anhui University Provincial Natural Science Research Project China (KJ2017B04) and the Research Project of Chuzhou University (2017qd06). The authors would like to thank Zhongqing Lin of the Experimental Technology Center of Anhui University for electron microscope tests and discussion.


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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  • Yonghua Shi
    • 1
  • Xishun Jiang
    • 1
    • 2
    Email author
  • Shaokang Zheng
    • 1
  • Yongchun Zhang
    • 1
  • Zhaoqi Sun
    • 1
  1. 1.School of Mechanical and Electrical EngineeringChuzhou UniversityChuzhouChina
  2. 2.State Key Laboratory of Metastable Materials Science and TechnologyYanshan UniversityQinhuangdaoChina

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