Low-temperature synthesis and sunlight-catalytic performance of flower-like hierarchical graphene oxide/ZnO macrosphere

  • Wei Mei
  • Min Lin
  • Chuansheng ChenEmail author
  • Yongxiang Yan
  • Liangwu Lin
Research Paper


A flower-like hierarchical graphene oxide/ZnO (GO/ZnO) macrospheres were fabricated via a low-temperature hydrothemal method, and their photocatalytic performance was tested under natural sunlight and darkness. The resultant GO/ZnO sample displays unique hierarchical macrosphere with diameters in the range of 2–3 μm. The photocatalytic activity of the GO/ZnO microspheres depended on GO, and GO/ZnO macrosphere containing 0.37% GO exhibited very high photocatalytic activity under natural sunlight irradiation and without stirring. Furthermore, GO/ZnO macrospheres possessed good photocatalytic activity under darkness, in which its removal rate of RhB is approximately 5.5 times as many as pure ZnO macrospheres. The enhancement in photocatalytic activity originates from the superior electrical properties of GO, facilitating to transfer the photogenerated electrons and decrease the recombination of photogenerated charge carriers.


ZnO macrosphere Graphene oxide Hierarchical structure Photocatalytic performance Nanostructured catalysts 


Funding information

This work is supported by the Hunan Provincial Natural Science Foundation of China (Nos. 2018JJ2037 and 14JJ2077) and Science and Technology Foundation of Hunan Province (No. 2016SK2021).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11051_2018_4392_MOESM1_ESM.doc (1.3 mb)
ESM 1 (DOC 1307 kb)


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Copyright information

© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.College of Materials Science and EngineeringChangsha University of Science and TechnologyChangshaChina
  2. 2.Science and Technology on High Strength structural Materials LaboratoryCentral South UniversityChangshaChina

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