Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 561, Issue -, Pages 283-291Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2018.11.002
Keywords
Electrospun composite fiber; Electrospinning; Solvent vapor annealing; Gold nanoparticle; Catalytic reduction
Categories
Funding
- National Natural Science Foundation of China [21872119, 21473153, 51771162]
- Support Program for the Top Young Talents of Hebei Province
- Research Program of the College Science & Technology of Hebei Province [ZD2018091]
- Scientific and Technological Research and Development Program of Qinhuangdao City [201701B004]
- China Postdoctoral Science Foundation [2015M580214]
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A new ternary poly(epsilon-caprolactone) (PCL)/poly(ethylene oxide) (PEO)@AuNPs composite material with high catalytic activity and favorable structural stability has been successfully prepared. The prepared PCL/PEO composite fibers by electrospinning have been treated with an easy-to-operate solvent vapor annealing (SVA) process, demonstrating wrinkled fiber nanostructures, promoting the significantly high specific surface area and more active sites in the surface of electrospun fiber. Then NaBH4 was used as a reducing agent to reduce HAuCl4 to form gold nanoparticles, resulting in the targeted PCL/PEO@AuNPs composite material. The obtained PCL/ PEO@AuNPs composites demonstrated potential catalytic ability and good reusability in the catalytic reduction of 4-nitrophenol and 2-nitroaniline systems, showing promising and wide applications in catalytic composite materials and self-assembled films.
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