Citation: Jun Liu, Wenzhang Fang, Yuhang Wang, Mingyang Xing, Jinlong Zhang. Gold-loaded graphene oxide/PDPB composites for the synchronous removal of Cr(VI) and phenol[J]. Chinese Journal of Catalysis, ;2018, 39(1): 8-15. doi: 10.1016/S1872-2067(17)62933-4 shu

Gold-loaded graphene oxide/PDPB composites for the synchronous removal of Cr(VI) and phenol

Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China

Received Date: 21 August 2017
Revised Date: 8 October 2017

Fund Project: This work was supported by the National Natural Science Foundation of China (21577036, 21377038, 21237003, 21677048), the National Basic Research Program of China (973 Program, 2013CB632403), State Key Research Development Program of China (2016YFA0204200), the Fundamental Research Funds for the Central Universities (22A201514021).

The construction of novel inorganic-organic hybrid nanomaterials for synchronous photocatalytic removal of heavy metal ions and organic pollutants has received significant attention. We successfully synthesized gold-loaded graphene oxide/PDPB (polymer poly(diphenylbutadiyne)) composites (Au-GO/PDPB) through a facile mechanical agitation and photoreduction method. The composites were characterized by XPS and TEM images, which confirmed the presence of GO and Au nanoparticles on the PDPB. The as-prepared Au-GO/PDPB composites displayed enhanced photocatalytic activity compared with that of pure PDPB for the synchronous photoreduction of hexavalent chromium (Cr(VI)) and photo-oxidation of phenol. We also determined the optimal loading mass of GO and Au nanoparticles on the PDPB; the Au₁-GO2/PDPB (2.0 wt% GO and 1.0 wt% Au) composite displayed the best photocatalytic activity among all the catalysts. Our study provides a facile way to prepare inorganic-organic composites for the synchronous photocatalytic removal of heavy metal ions and organic pollutants.
- Photocatalysis,
- Heavy metal ion,
- Organic pollutant,
- Polymer poly(diphenylbutadiyne),
- Synchronous removal
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