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Updated: May 24, 2026

Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection

Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection

Published on: November 17, 2023

Gold-nanoparticle-embedded polydimethylsiloxane elastomers for highly sensitive Raman detection.

Gang Lu¹, Hai Li, Hua Zhang

¹School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore.

Small (Weinheim an Der Bergstrasse, Germany)

|March 2, 2012

Summary

This summary is machine-generated.

A novel gold nanoparticle (AuNP)-embedded polydimethylsiloxane (PDMS) elastomer enhances Raman detection sensitivity. This material enables sensitive chemical imaging on various surfaces.

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Last Updated: May 24, 2026

Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection

Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection

Published on: November 17, 2023

Fabricating a UV-Vis and Raman Spectroscopy Immunoassay Platform

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Published on: November 10, 2016

Optical Trapping of Plasmonic Nanoparticles for In Situ Surface-Enhanced Raman Spectroscopy Characterizations

Optical Trapping of Plasmonic Nanoparticles for In Situ Surface-Enhanced Raman Spectroscopy Characterizations

Published on: June 23, 2022

Area of Science:

Materials Science
Analytical Chemistry
Nanotechnology

Background:

Raman spectroscopy offers valuable molecular information but often requires signal enhancement for trace detection.
Developing efficient and user-friendly substrates for surface-enhanced Raman spectroscopy (SERS) is crucial for broader applications.

Purpose of the Study:

To develop a simple, convenient, and efficient method for highly sensitive Raman detection.
To demonstrate the capability of the developed material for sensitive chemical imaging on solid substrates.

Main Methods:

Fabrication of a gold nanoparticle (AuNP)-embedded polydimethylsiloxane (PDMS) elastomer (AuNP-PDMS).
Application of the AuNP-PDMS layer to various surfaces to enhance Raman signals.
Utilizing the AuNP-PDMS for chemical imaging of patterned molecules on a silver (Ag) substrate.

Main Results:

The AuNP-PDMS elastomer significantly enhances Raman signals of detected molecules.
The material facilitates sensitive chemical imaging on solid substrates.
Patterned chemical images of p-aminothiophenol and methylene blue were successfully obtained on a Ag substrate covered by AuNP-PDMS.

Conclusions:

The AuNP-PDMS elastomer provides a simple and effective platform for highly sensitive Raman detection.
This approach is suitable for sensitive chemical imaging applications, particularly on solid surfaces.