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

Harish Ojha | Zendy; Upender Gangadharani | Zendy; Satyavathi Ravulapalli | Zendy; Mohan Kumar Kuntumalla | Zendy; Vadali V. S. S. Srikanth | Zendy; Narayana Rao Desai | Zendy; Chandrahas Bansal | Zendy

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

Author(s) -

Harish Ojha,

Upender Gangadharani,

Satyavathi Ravulapalli,

Mohan Kumar Kuntumalla,

Vadali V. S. S. Srikanth,

Narayana Rao Desai,

Chandrahas Bansal

Publication year - 2012

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4738367

Subject(s) - rhodamine 6g , nanoclusters , raman scattering , materials science , diamond , substrate (aquarium) , nanotechnology , raman spectroscopy , thin film , silicon , optoelectronics , optics , composite material , molecule , chemistry , physics , oceanography , organic chemistry , geology

Modified diamondthin filmsurfaces 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

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