Design and measurement technique of surface-enhanced Raman scattering for detection of bisphenol A

Norhayati Abu Bakar, Muhamad Mat Salleh, Ali Umar Akrajas, Joseph George Shapter

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Surface-enhanced Raman scattering (SERS) is a highly sensitive measurement technique that provides Raman peaks at different Raman shift for different molecule structures. The SERS sensor is potentially used to detect food contamination and monitor environmental pollutants. A self-developed SERS system for specific analysis with low development cost is a challenging issue. This study attempts to develop a simple SERS sensor system for detection of bisphenol A (BPA) molecule using SERS substrate of silver nanoplate film. A SERS sensor system was developed, consisting of a light source to excite analyte molecules, Inphotonic Raman probe, sensor chamber and spectrophotometer as an analyser system. A duplex fibre optic is used to transmit light from the source to the probe and from the probe to the spectrophotometer. For SERS measurement, BPA detection was done by comparing the Raman signal spectra of the BPA on the quartz substrate and BPA on the silver nanoplate film. This SERS sensor successfully sensed BPA with SERS enhancement factor (EF) 5.55 X 103 and a detection limit of BPA concentration at 1 mM.

Original languageEnglish
Article number025008
JournalAdvances in Natural Sciences: Nanoscience and Nanotechnology
Volume8
Issue number2
DOIs
Publication statusPublished - 1 Jun 2017

Fingerprint

Raman scattering
Sensors
Spectrophotometers
Silver
Molecules
bisphenol A
Environmental Pollutants
Quartz
Substrates
Fiber optics
Light sources
Contamination
Costs

Keywords

  • Bisphenol A
  • Enhancement factor
  • Surface-enhanced Raman scattering

ASJC Scopus subject areas

  • Materials Science(all)
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Design and measurement technique of surface-enhanced Raman scattering for detection of bisphenol A. / Bakar, Norhayati Abu; Mat Salleh, Muhamad; Akrajas, Ali Umar; Shapter, Joseph George.

In: Advances in Natural Sciences: Nanoscience and Nanotechnology, Vol. 8, No. 2, 025008, 01.06.2017.

Research output: Contribution to journalArticle

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