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In situ synthesis of gold nanoparticles on wool powder and their catalytic application

Tang, Bin, Zhou, Xu, Zeng, Tian, Lin, Xia, Zhou, Ji, Ye, Yong and Wang, Xungai 2017, In situ synthesis of gold nanoparticles on wool powder and their catalytic application, Materials, vol. 10, no. 3, pp. 1-12, doi: 10.3390/ma10030295.

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Title In situ synthesis of gold nanoparticles on wool powder and their catalytic application
Author(s) Tang, BinORCID iD for Tang, Bin orcid.org/0000-0001-7111-8223
Zhou, Xu
Zeng, Tian
Lin, Xia
Zhou, Ji
Ye, Yong
Wang, Xungai
Journal name Materials
Volume number 10
Issue number 3
Start page 1
End page 12
Total pages 12
Publisher MDPI (Multidisciplinary Digital Publishing Institute)
Place of publication Basel, Switzerland
Publication date 2017-03
ISSN 1996-1944
Keyword(s) biomass complex
catalysis
gold nanoparticles
in situ synthesis
wool powder
Science & Technology
Technology
Materials Science, Multidisciplinary
Materials Science
SILVER NANOPARTICLES
AQUEOUS-SOLUTION
CO OXIDATION
REDUCTION
4-NITROPHENOL
FIBERS
PARTICLES
MEMBRANE
SIZE
Summary Gold nanoparticles (AuNPs) were synthesized in situ on wool powder (WP) under heating conditions. Wool powder not only reduced Au ions to AuNPs, but also provided a support for as-synthesized AuNPs. WPs were treated under different concentrations of Au ions, and corresponding optical features and morphologies of the treated WPs were investigated by UV-VIS diffuse reflectance absorption spectroscopy and scanning electron microscopy (SEM). X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and transmission electron microscope (TEM) were also employed to characterize the WP treated with AuNPs. The results demonstrate that AuNPs were produced in the presence of WP and distributed over the wool particles. The porous structure led to the synthesis of AuNPs in the internal parts of WP. Acid conditions and high temperature facilitated the synthesis of AuNPs by WP in aqueous solution. The reducibility of wool was improved after being converted to powder from fibers, due to exposure of more active groups. Moreover, the obtained AuNP-WP complexes showed significant catalytic activity to accelerate the reduction reaction of 4-nitrophenol (4-NP) by sodium borohydride (NaBH4).
Language eng
DOI 10.3390/ma10030295
Field of Research 03 Chemical Sciences
09 Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2017, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30095942

Document type: Journal Article
Collections: Institute for Frontier Materials
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.