Optimum growth time in AgPt nanofern preparation for enhancement of surface-enhanced Raman scattering intensity

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

Research output: Contribution to journalArticle

Abstract

Surface-enhanced Raman scattering (SERS) is a phenomenon where the signal of the Raman spectrum of an analyte increased due to a plasmonic effect of metal nanoparticles. This phenomenon is potentially be implemented in biosensor application to detect the presence of a molecule in blood and urine. This paper reports a study on bimetallic thin film of argentum-platinum (AgPt) nanoferns as a SERS substrate for detection of creatinine. Nanofern-shaped AgPt was prepared directly on ITO surface using liquid phase deposition technique. The growth time of the AgPt preparation was varied from 5 to 60 min to study the effect of growth time towards deposition of AgPt nanofern on the surface. This sensitivity of SERS measurement was studied by comparing the Raman spectra of creatinine on ITO surface and creatinine on AgPt surface. We observed that the sensitivity of the spectroscopy system towards creatinine molecule detection is dependent on the morphology structures of AgPt substrate.

Original languageEnglish
Article number045012
JournalAdvances in Natural Sciences: Nanoscience and Nanotechnology
Volume9
Issue number4
DOIs
Publication statusPublished - 1 Dec 2018

Fingerprint

Platinum
Raman scattering
Creatinine
Molecules
Metal nanoparticles
Substrates
Biosensors
Blood
Spectroscopy
Thin films
Liquids

Keywords

  • AgPt
  • nanofern
  • surface-enhanced Raman scattering

ASJC Scopus subject areas

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

Cite this

Optimum growth time in AgPt nanofern preparation for enhancement of surface-enhanced Raman scattering intensity. / Bakar, Norhayati Abu; Abdullah, Nur Adliha; Mat Salleh, Muhamad; Akrajas, Ali Umar; Shapter, Joseph George.

In: Advances in Natural Sciences: Nanoscience and Nanotechnology, Vol. 9, No. 4, 045012, 01.12.2018.

Research output: Contribution to journalArticle

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AU - Shapter, Joseph George

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