A SERS-active nanocrystalline Pd substrate and its nanopatterning leading to biochip fabrication

Bhuvana, Thiruvelu ; Kulkarni, Giridhar U. (2008) A SERS-active nanocrystalline Pd substrate and its nanopatterning leading to biochip fabrication Small, 4 (5). pp. 670-676. ISSN 1613-6810

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/smll.20...

Related URL: http://dx.doi.org/10.1002/smll.200701075

Abstract

Nanocrystalline metallic Pd films have been produced by thermolysis of Pd hexadecanethiolate deposited on a Si surface. The particle size was in the range of 50–60 nm based on electron and atomic force microscopy. The Pd surface produced was found to be surface-enhanced Raman scattering (SERS) active with an enhancement factor of ≈105. The electron-resist behavior of Pd thiolate is exploited in conceptualizing a prototype chip with patterned Pd regions that are SERS active, called "SERS bits", which host different biomolecules.

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ID Code:103046
Deposited On:28 Feb 2017 16:29
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