Journal
CHINESE JOURNAL OF CATALYSIS
Volume 39, Issue 1, Pages 8-15Publisher
SCIENCE PRESS
DOI: 10.1016/S1872-2067(17)62933-4
Keywords
Photocatalysis; Heavy metal ion; Organic pollutant; Polymer poly(diphenylbutadiyne); Synchronous removal
Funding
- National Natural Science Foundation of China [21577036, 21377038, 21237003, 21677048]
- National Basic Research Program of China (973 Program) [2013CB632403]
- State Key Research Development Program of China [2016YFA0204200]
- Fundamental Research Funds for the Central Universities [22A201514021]
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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 Au-1-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. (C) 2018, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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