Abstract
A simple, convenient, and efficient method for highly sensitive Raman detection is made by using a Au nanoparticle (AuNP)-embedded polydimethylsiloxane (PDMS) elastomer, referred to as AuNP-PDMS. When this AuNP-PDMS layer is applied to a surface, it can dramatically enhance the Raman signal of detected molecules. Moreover, it can be used for sensitive chemical imaging on solid substrates. As a proof of concept, patterned chemical images of p-aminothiophenol and methylene blue on a Ag substrate are obtained after this chemically patterned Ag substrate is covered by AuNP-PDMS. © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
| Original language | English |
|---|---|
| Pages (from-to) | 1336-1340 |
| Journal | Small |
| Volume | 8 |
| Issue number | 9 |
| Online published | 29 Feb 2012 |
| DOIs | |
| Publication status | Published - 7 May 2012 |
| Externally published | Yes |
Research Keywords
- chemical imaging
- gold
- nanoparticles
- polydimethylsiloxane
- Raman scattering
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