Fabrication of Sesame Sticks-like Silver Nanoparticles/Polystyrene Hybridnanotubes and Their Catalytic Effects

A novel and efficient catalyst is one of the goals in the material field, and the involvement of nanoscience and technology has brought new vigor to the development of catalyst. This research aimed to develop a simple two-step route to fabricate Fe O @PS/PDA-Ag hybridnanotubes with size-controllable...

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Published inScientific reports Vol. 6; no. 1; p. 39502
Main Authors Peng, Fang, Wang, Qi, Shi, Rongjia, Wang, Zeyi, You, Xin, Liu, Yuhong, Wang, Fenghe, Gao, Jay, Mao, Chun
Format Journal Article
LanguageEnglish
Published England Nature Publishing Group 21.12.2016
Subjects
Dopamine
Electron microscopy
Nanoparticles
Nanotubes
Oleic acid
Polystyrene
Silver
Spectroscopy
Surface area
Toluene
Transmission electron microscopy
Vigor
X-ray diffraction
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Summary:A novel and efficient catalyst is one of the goals in the material field, and the involvement of nanoscience and technology has brought new vigor to the development of catalyst. This research aimed to develop a simple two-step route to fabricate Fe O @PS/PDA-Ag hybridnanotubes with size-controllable and highly dispersed silver nanoparticles (NPs). First, Fe O @PS nanotubes of a sound mechanical property were prepared using polystyrene (PS)/toluene solution containing highly dispersed oleic acid modified Fe O particles in a commercial AAO template. Next, the facile technique was used to form in situ silver NPs on the surface of magnetic PS (Fe O @PS) nanotubes through dopamine coating. The catalytic effects of the prepared Fe O @PS/PDA-Ag hybridnanotubes with highly dispersed AgNPs were characterized using a range of analytical methods, including transmission electron microscopy, thermogravimetric analysis, UV-Visible spectroscopy, and X-ray diffraction. It was found that such prepared Fe O @PS/PDA-Ag hybridnanotubes had a large specific surface area. They possessed excellent activities in catalyzing the reduction of 4-nitrophenol (4-NP) by NaBH in the aqueous phase. Furthermore, they were readily separated from fluid and retrieved by an external magnet. Their catalyst activity and recyclability demonstrated that this approach we proposed had the potential to become a new idea and route for catalytic platform.
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These authors contributed equally to this work.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep39502