Research on Chemical Intermediates

, Volume 45, Issue 2, pp 873–892 | Cite as

Construction, enhanced visible-light photocatalytic activity and application of multiple complementary Ag dots decorated onto Ag2MoO4/AZO hybrid nanocomposite

  • Ya-Nan Xue
  • Yi-Shuo Sun
  • Jin-Ku LiuEmail author
  • Yuan-Yuan Wang
  • Xiao-Gang Wang
  • Xiao-Hong YangEmail author


It is of urgency to develop novel and high-efficient visible-light photocatalysts to eliminate antibiotics and organic pollutants rapidly in sewage. Therefore, the silver molybdate/aluminum atoms-doped zinc oxide (Ag2MoO4/AZO) nanocomposite was prepared by in situ deposition, and then the Ag dots were decorated on this nanocomposite surface via photo-reduced reaction forming a multiple complementary Ag@Ag2MoO4/AZO hybrid nanocomposite. The photogenerated electrons of AZO transferred to Ag2MoO4 surface, which solved the optical instability of Ag2MoO4 material increasing the recyclability. The photocatalytic efficiency of Ag@Ag2MoO4/AZO nanocomposite still remained 90.0% after eight runs. Meanwhile, the Ag dots decorated on the Ag@Ag2MoO4/AZO nanocomposite surface decreased the band gap and broadened the visible-light absorption range, promoting the efficient separation of photogenerated carriers. Because of the synergistic complementary effect of Ag dots and AZO solid solution, the Ag@Ag2MoO4/AZO hybrid nanocomposite showed excellent photocatalytic activity on organic pollutants compared to AZO and Ag2MoO4 material (282.3% and 422.7% improvement, respectively). In addition, the gatifloxacin was completely degraded to CO2 and H2O within 40 min, indicating that the Ag@Ag2MoO4/AZO hybrid nanocomposite also has excellent application in the treatment of antibiotics.


Nanocomposite Visible-light photocatalyst Ag2MoO4 Al doped zinc oxide 



This work was supported by the National Natural Science Foundation of China (Grant No. 21878090), the Project of State Key Laboratory of High Performance Ceramics and Superfine Microstructure (Grant SKL201605SIC) and the Major Project of Anhui Provincial Education Department (Grant KJ2017ZD48).


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© Springer Nature B.V. 2018

Authors and Affiliations

  1. 1.Key Laboratory for Advanced Materials, School of Chemistry and Molecular EngineeringEast China University of Science and TechnologyShanghaiPeople’s Republic of China
  2. 2.Department of ChemistryTongji UniversityShanghaiPeople’s Republic of China
  3. 3.Department of ChemistryChizhou UniversityChizhouPeople’s Republic of China

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