Journal of Materials Science

, Volume 53, Issue 8, pp 6170–6182 | Cite as

High-efficiency photocatalytic performance of Cr–SrTiO3-modified black TiO2 nanotube arrays

  • Zhen Zhang
  • Wei Jing
  • Xin Tan
  • Tao Yu
  • Jian Ma
Energy materials


TiO2 nanotube arrays with high surface areas have grown in significance recently due to their excellent charge transport properties. However, they can only be excited by ultraviolet irradiation due to their wide band gap; this drawback has greatly limited their applicability to real-world devices. In this study, a series of heterostructured black-Cr–SrTiO3/TiO2 nanotube arrays with heterojunction structures were successfully fabricated using a hydrothermal method; this method simply involved controlling the hydrothermal reaction time used. The developed black-Cr–SrTiO3/TiO2 nanotube arrays exhibited superior charge separation and excellent visible light response performances. Furthermore, their visible light photocatalytic performance was significantly improved; this was attributed to the synergistic effect of coupling black TiO2 nanotube arrays with Cr–SrTiO3.



This study was supported by the National Natural Science Foundation of China (21406164, 21466035), the National Key Basic Research and Development Program of China (973 Program, No. 2014CB239300).


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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Environmental Science and EngineeringTianjin UniversityTianjinPeople’s Republic of China
  2. 2.School of Chemical Engineering and TechnologyTianjin UniversityTianjinPeople’s Republic of China
  3. 3.School of ScienceTibet UniversityLhasaPeople’s Republic of China
  4. 4.College of Resources and EnvironmentLinYi UniversityLinyiPeople’s Republic of China

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