The visible light catalytic properties of carbon quantum dots/ZnO nanoflowers composites

  • Xin Zhang
  • Jiaqi Pan
  • Chengquan Zhu
  • Yingzhuo Sheng
  • Zhengxin Yan
  • Yamin Wang
  • Boxue Feng


Carbon quantum dots (C QDs)/ZnO nanoflowers composites were prepared via a simple technical route through which ZnO nanoflowers were prepared by electrospinning-hydrothermal synthesis and dispersed in C QDs solution, then dried at 80 °C. The results indicated that ZnO nanoflowers were well combined with C QDs. The visible light photocatalytic activity of C QDs/ZnO nanoflowers coposite was investigated by degradation of Rhodamine B under visible light irradiation, and it is demonstrated that the photocatalytic performance of this composites was significantly enhanced compared with that of pure ZnO nanoflowers. Furthermore, the unique up-converted photoluminescence behaviour of the carbon dots and the novel 3-D structure of the ZnO were considered as the main reasons of this enhancement.


Photocatalytic Activity Visible Light Irradiation Visible Light Photocatalytic Activity Zinc Nitrate Hexahydrate Visible Light Photocatalytic Performance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors gratefully acknowledge the support for this work from the National Science Foundation of China (Grant Nos. 61176005 and 61006001) and Engagement Program (Program No. 2014046) Funded by Xi’an University of Science and Technology.

Supplementary material

10854_2015_2769_MOESM1_ESM.docx (887 kb)
Supplementary material 1 (DOCX 887 kb)


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Xin Zhang
    • 1
    • 2
    • 3
  • Jiaqi Pan
    • 2
    • 3
  • Chengquan Zhu
    • 2
    • 3
  • Yingzhuo Sheng
    • 2
    • 3
  • Zhengxin Yan
    • 1
  • Yamin Wang
    • 1
  • Boxue Feng
    • 2
    • 3
  1. 1.College of ScienceXi’an University of Science and TechnologyXi’anPeople’s Republic of China
  2. 2.Key Laboratory for Magnetism and Magnetic Materials of Ministry of EducationLanzhou UniversityLanzhouPeople’s Republic of China
  3. 3.School of Physical Science and TechnologyLanzhou UniversityLanzhouPeople’s Republic of China

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