In situ synthesis of natural rubber latex-supported gold nanoparticles for flexible SERS substrates

Article

Tao, Jinglong, He, Dongning, Tang, Bin, Kong, Lingxue, Luo, Yongyue, Zhao, Pengfei, Gong, Wei and Peng, Zheng. 2015. "In situ synthesis of natural rubber latex-supported gold nanoparticles for flexible SERS substrates." RSC Advances: an international journal to further the chemical sciences. 5 (61), pp. 49168-49174. https://doi.org/10.1039/c5ra05681k
Article Title

In situ synthesis of natural rubber latex-supported gold nanoparticles for flexible SERS substrates

ERA Journal ID201472
Article CategoryArticle
AuthorsTao, Jinglong (Author), He, Dongning (Author), Tang, Bin (Author), Kong, Lingxue (Author), Luo, Yongyue (Author), Zhao, Pengfei (Author), Gong, Wei (Author) and Peng, Zheng (Author)
Journal TitleRSC Advances: an international journal to further the chemical sciences
Journal Citation5 (61), pp. 49168-49174
Number of Pages7
Year2015
PublisherThe Royal Society of Chemistry
Place of PublicationCambridge, United Kingdom
ISSN2046-2069
Digital Object Identifier (DOI)https://doi.org/10.1039/c5ra05681k
Web Address (URL)http://pubs.rsc.org/en/Content/ArticleLanding/2015/RA/c5ra05681k#!divAbstract
Abstract

Natural rubber latex (NRL) from Hevea brasiliensis was used as a matrix to synthesize gold nanoparticles
(AuNPs), leading to an organic–inorganic hybrid latex of NRL-supported AuNPs (AuNPs@NRL). The in situ
and environmentally friendly preparation of AuNPs in an NRL matrix was developed by thermal treatment
without using any other reducing agents or stabilizers because natural rubber particles and non-rubber
components present in serum can serve as supporters for the synthesized AuNPs. As a result, the
nanosized and well-dispersed AuNPs not only are decorated on the surface of natural rubber particles,
but also can be found in the serum of NRL. The size of the AuNPs presented in NRL matrix can be
controlled by adjusting the concentration of NRL. Furthermore, the flexible surface-enhanced Raman
scattering (SERS) substrates made from the AuNPs@NRL through vacuum filtration presented good
enhancement of the Raman probe molecule of 4-mercaptopyridine and outstanding SERS
reproducibility. The capability of synthesizing the bio-supported nanohybrid latex provides a novel green
and simple approach for the fabrication of flexible and effective SERS substrates.

ANZSRC Field of Research 2020340399. Macromolecular and materials chemistry not elsewhere classified
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Byline AffiliationsChinese Academy of Tropical Agricultural Sciences, China
Centre of Excellence in Engineered Fibre Composites
Deakin University
Institution of OriginUniversity of Southern Queensland
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