In situ synthesis of Au-shelled Ag nanoparticles on PDMS for flexible, long-life, and broad spectrum-sensitive SERS substrates

B. Fortuni; T. Inose; S. Uezono; S. Toyouchi; K. Umemoto; S. Sekine; Y. Fujita; M. Ricci; G. Lu; A. Masuhara; J. A. Hutchison; L. Latterini; H. Uji-i

doi:10.1039/C7CC05420C

In situ synthesis of Au-shelled Ag nanoparticles on PDMS for flexible, long-life, and broad spectrum-sensitive SERS substrates†

B. Fortuni,‡*^a T. Inose,

‡*^b S. Uezono,^b S. Toyouchi,^a K. Umemoto,^c S. Sekine,^c Y. Fujita,

^ad M. Ricci,^a G. Lu,

^ae A. Masuhara,^c J. A. Hutchison,

^f L. Latterini

^g and H. Uji-i

^ab

Author affiliations

* Corresponding authors

^a Department of Chemistry, Division of Molecular Imaging and Photonics, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
E-mail: Betrice.Fortuni@kuleuven.be

^b RIES, Hokkaido University, N20W10, Kita-Waird Sapporo, Japan
E-mail: Inose@es.hokudai.ac.jp

^c Graduate School of Science and Engineering, Yamagata University, 4-3-16 Jonan, Yonezawa, Japan

^d Toray Research Center, Inc., 3-3-7, Sonoyama, Otsu, Shiga 520-8567, Japan

^e Institute of Advanced Materials & Key Laboratory of Flexible Electronics, National Jiangsu Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, P. R. China

^f School of Chemistry and Bio21 Institute, University of Melbourne, Victoria 3010, Australia

^g Department of Chemistry, Biology and Biotechnology, University of Perugia, via Elce di sotto 8, Perugia, Italy

Abstract

A simple and fast one-step fabrication method of silver nanoparticles (AgNPs) on a polydimethylsiloxane (PDMS) film and their improvement as highly sensitive surface enhanced Raman scattering (SERS) substrates via atomically thin Au coatings is demonstrated. The thin Au layer provides oxidation resistivity while maintaining the broad spectral range SERS sensitivity of Ag nanoparticles.

Chemical Communications

In situ synthesis of Au-shelled Ag nanoparticles on PDMS for flexible, long-life, and broad spectrum-sensitive SERS substrates†

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In situ synthesis of Au-shelled Ag nanoparticles on PDMS for flexible, long-life, and broad spectrum-sensitive SERS substrates

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