Issue 44, 2013
From the journal:

Chemical Communications

A shrinking strategy for creating dynamic SERS hot spots on the surface of thermosensitive polymer nanospheres†

Yiping Wu,ab   Fei Zhou,c   Liangbao Yang*a  and  Jinhuai Liu*a  

* Corresponding authors

a Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, China
E-mail: lbyang@iim.ac.cn, jhliu@iim.ac.cn
Fax: +86 551-5592420

b School of Chemistry and Chemical Engineering, Anqing Normal College, Anqing 246011, China

c Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, China

Abstract

This study reports a strategy that allows one to finely tune the distance between Ag nanoparticles decorated on thermoresponsive microgels to create vast ‘hot spots’ for electromagnetic enhancement. The dynamic gap (i.e. the interparticle distance) can be tuned easily because the microgel template undergoes a phase transition upon changing the temperature. This change could increase the SERS intensity for three orders of magnitude.

Graphical abstract: A shrinking strategy for creating dynamic SERS hot spots on the surface of thermosensitive polymer nanospheres

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Article information

DOI
https://doi.org/10.1039/C3CC40875B
Article type
Communication
Submitted
01 Feb 2013
Accepted
09 Apr 2013
First published
09 Apr 2013

Chem. Commun., 2013,49, 5025-5027

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A shrinking strategy for creating dynamic SERS hot spots on the surface of thermosensitive polymer nanospheres

Y. Wu, F. Zhou, L. Yang and J. Liu, Chem. Commun., 2013, 49, 5025 DOI: 10.1039/C3CC40875B

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