Journal
GOLD BULLETIN
Volume 44, Issue 3, Pages 171-176Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13404-011-0024-7
Keywords
Fibers; Nanoparticles; Scanning electron microscopy (SEM)
Funding
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University [2010004]
- Anhui University of Technology [2011013]
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Silk fibroin (SF) fibers were modified with sulfonated polyaniline and, via an in situ redox technique, a high density of gold (Au) nanoparticles were supported directly on the surface of the fiber. The morphology, formation, and application of the as-prepared product, Au/SPANI-modified SF composite fiber, were investigated. By controlling the concentration of HAuCl4, the density of Au nanoparticles on the composite fiber could be effectively adjusted. It is suggested that sulfonated polyaniline contributes to the generation of a high density of Au nanoparticles supported on the SF fibers. The composite fiber exhibited good activity when taking the reduction of p-nitrophenol as a model reaction.
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