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Colloid and Polymer Science
Erschienen in: Colloid and Polymer Science 4/2019

13.02.2019 | Original Contribution

Preparation of spindle-shaped polyaniline supported Au catalysts with enhanced catalytic reduction of 4-nitrophenol

verfasst von: Libo Sun, Shuang Peng, Lin Jiang, Yuhua Zheng, Xun Sun, Huijuan Su, Caixia Qi

Erschienen in: Colloid and Polymer Science | Ausgabe 4/2019

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Abstract

Herein, several spindle-shaped polyaniline (PANI)/Au catalysts were prepared and evaluated in the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) with NaBH4 as the reducing agent. The spindle-shaped PANI support was directly synthesized via a facile interfacial polymerization method without using any templates. Au colloid nanoparticles (NPs) with a narrow size distribution (2~6 nm) were prepared via an Au sol method using polyvinyl alcohol (PVA) as a protecting agent and NaBH4 as a reducing agent. The Au colloid NPs were deposited on the PANI support through an adsorption effect. These as-prepared PANI/Au catalysts were thoroughly characterized by TEM, FT-IR, XPS, and EDX. The reduction of 4-NP by NaBH4 was used as a model reaction to evaluate the catalytic properties of the catalysts. Results showed that the as-prepared catalysts presented enhanced catalytic properties for the reduction of 4-NP to 4-AP.
Vorheriger Artikel Effects of molecular mass of polymer on mechanical properties of clay/poly (ethylene oxide) blend hydrogels, and comparison between them and clay/sodium polyacrylate blend hydrogels
Nächster Artikel CO2-responsive behavior of polymer giant vesicles supporting hindered amine

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Metadaten
Titel
Preparation of spindle-shaped polyaniline supported Au catalysts with enhanced catalytic reduction of 4-nitrophenol
verfasst von
Libo Sun
Shuang Peng
Lin Jiang
Yuhua Zheng
Xun Sun
Huijuan Su
Caixia Qi
Publikationsdatum
13.02.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Colloid and Polymer Science / Ausgabe 4/2019
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI
https://doi.org/10.1007/s00396-019-04480-y

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