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

Tao, Jinglong and He, Dongning and Tang, Bin and Kong, Lingxue and Luo, Yongyue and Zhao, Pengfei and Gong, Wei and Peng, Zheng (2015) In situ synthesis of natural rubber latex-supported gold nanoparticles for flexible SERS substrates. RSC Advances, 5 (61). pp. 49168-49174.

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.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Permanent restricted access to Published version in accordance with the copyright policy of the publisher.
Faculty / Department / School: Current - Faculty of Health, Engineering and Sciences - School of Mechanical and Electrical Engineering
Date Deposited: 19 Feb 2016 02:58
Last Modified: 28 Jul 2016 02:48
Fields of Research : 03 Chemical Sciences > 0303 Macromolecular and Materials Chemistry > 030302 Nanochemistry and Supramolecular Chemistry
Identification Number or DOI: 10.1039/c5ra05681k
URI: http://eprints.usq.edu.au/id/eprint/28201

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