Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering

Modified diamond thin film surfaces are proven candidates for bio-sensoric applications. A typical polycrystalline diamond thin film surface decked with silver (Ag) nanoclusters is found to be suitable for surface-enhanced Raman scattering (SERS). Simple and time effective procedures are used to fa...

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Main Authors: Harish Ojha, Upender Gangadharani, Satyavathi Ravulapalli, Mohan Kumar Kuntumalla, Vadali Venkata Satya Siva Srikanth, Narayana Rao Desai, Chandrahas Bansal
Format: Article
Language:English
Published: AIP Publishing LLC 2012-09-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4738367
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spelling doaj-c5617130639c42b4a931112a73c6a9922020-11-24T23:10:45ZengAIP Publishing LLCAIP Advances2158-32262012-09-0123032102032102-510.1063/1.4738367002203ADVSilver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scatteringHarish Ojha0Upender Gangadharani1Satyavathi Ravulapalli2Mohan Kumar Kuntumalla3Vadali Venkata Satya Siva Srikanth4Narayana Rao Desai5Chandrahas Bansal6School of Engineering Sciences and Technology (SEST), University of Hyderabad, Hyderabad 500046, IndiaSchool of Physics, University of Hyderabad, Hyderabad 500046, IndiaSchool of Physics, University of Hyderabad, Hyderabad 500046, IndiaSchool of Engineering Sciences and Technology (SEST), University of Hyderabad, Hyderabad 500046, IndiaSchool of Engineering Sciences and Technology (SEST), University of Hyderabad, Hyderabad 500046, IndiaSchool of Physics, University of Hyderabad, Hyderabad 500046, IndiaSchool of Physics, University of Hyderabad, Hyderabad 500046, India Modified diamond thin film surfaces are proven candidates for bio-sensoric applications. A typical polycrystalline diamond thin film surface decked with silver (Ag) nanoclusters is found to be suitable for surface-enhanced Raman scattering (SERS). Simple and time effective procedures are used to fabricate Ag nanoclusters/diamond/silicon structure. Standard Rhodamine 6G probe molecules are used to access the SERS activity of the test surface. The observed SERS activity is explained in terms of predominant electromagnetic enhancement mechanism. This work is expected to benefit SERS based bio-sensing with diamond as the core sensing material. http://dx.doi.org/10.1063/1.4738367
collection DOAJ
language English
format Article
sources DOAJ
author Harish Ojha
Upender Gangadharani
Satyavathi Ravulapalli
Mohan Kumar Kuntumalla
Vadali Venkata Satya Siva Srikanth
Narayana Rao Desai
Chandrahas Bansal
spellingShingle Harish Ojha
Upender Gangadharani
Satyavathi Ravulapalli
Mohan Kumar Kuntumalla
Vadali Venkata Satya Siva Srikanth
Narayana Rao Desai
Chandrahas Bansal
Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering
AIP Advances
author_facet Harish Ojha
Upender Gangadharani
Satyavathi Ravulapalli
Mohan Kumar Kuntumalla
Vadali Venkata Satya Siva Srikanth
Narayana Rao Desai
Chandrahas Bansal
author_sort Harish Ojha
title Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering
title_short Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering
title_full Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering
title_fullStr Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering
title_full_unstemmed Silver nanoclusters decked diamond thin film as a substrate for surface-enhanced Raman scattering
title_sort silver nanoclusters decked diamond thin film as a substrate for surface-enhanced raman scattering
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2012-09-01
description Modified diamond thin film surfaces are proven candidates for bio-sensoric applications. A typical polycrystalline diamond thin film surface decked with silver (Ag) nanoclusters is found to be suitable for surface-enhanced Raman scattering (SERS). Simple and time effective procedures are used to fabricate Ag nanoclusters/diamond/silicon structure. Standard Rhodamine 6G probe molecules are used to access the SERS activity of the test surface. The observed SERS activity is explained in terms of predominant electromagnetic enhancement mechanism. This work is expected to benefit SERS based bio-sensing with diamond as the core sensing material.
url http://dx.doi.org/10.1063/1.4738367
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