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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.

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Sensors and Materials, Volume 20, Number 8 (2009)
Copyright(C) MYU K.K.
pp. 389-396
S&M736 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2009.564
Published: March 19, 2009

Using Gelatin as Protecting Agent and Organic Template to Synthesize Noble Metal Nanoparticles and Metal Nanoparticles@Mesoporous Silica for SERS and CO Oxidation Applications [PDF]

Hsuan-Jung Chang, Ying-Mei Yang, Chi-Chang Lin, Yi-Chia Luo, Hsien-Chang Chang, Hong-Ping Lin, Yu-Cheng Lin, Chih-Yuan Tang and Chin-Yen Lin

(Received July 31, 2008; Accepted November 13, 2008)

Keywords: nanoparticles, mesoporous silica, gelatin, template, CO oxidation, SERS

With excellent control of their synthetic compositions and condition, noble metal nanoparticles@mesoporous silicas of large surface area (≈ 300 m2g–1), large pore size (> 5.0 nm), and high noble metal nanoparticle content (≈ 10 wt.%) have been conveniently prepared using natural polymer gelatin with many amide (-CO-NH2) groups as an organic template of mesoporous silica and a protecting agent for stabilizing Au nanoparticles. This synthetic method is extensive and can be used to prepare Au, Ag, and Ag-Au alloy nanoparticles@mesoporous silicas. Because the metal nanoparticles are accessible to the environment, noble-metal nanoparticles@mesoporous silicas can be used in SERS applications and act as superior catalysts in CO oxidation at high temperatures. In addition, bare Au nanoparticles anchored on a silica matrix can have direct contact with S. aureus cells to enhance the Raman spectrum intensity of S. aureus cells absorbed onto a Au nanoparticles@mesoporous silica.

Corresponding author: Hong-Ping Lin


Cite this article
Hsuan-Jung Chang, Ying-Mei Yang, Chi-Chang Lin, Yi-Chia Luo, Hsien-Chang Chang, Hong-Ping Lin, Yu-Cheng Lin, Chih-Yuan Tang and Chin-Yen Lin, Using Gelatin as Protecting Agent and Organic Template to Synthesize Noble Metal Nanoparticles and Metal Nanoparticles@Mesoporous Silica for SERS and CO Oxidation Applications, Sens. Mater., Vol. 20, No. 8, 2009, p. 389-396.



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