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Fabrication of polydimethylsiloxane (PDMS)-Based Flexible Surface-Enhanced Raman Scattering (SERS) Substrate for Ultrasensitive Detection
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Gold nanothorns-macroporous silicon hybrid structure: a simple and ultrasensitive platform for SERS
Kamran J Khajehpour1, Tim Williams, Laure Bourgeois
1School of Applied Sciences and Engineering, Monash University, Churchill, VIC 3842, Australia. Kamran.khajehpour@monash.edu
Abstract:
We synthesised a novel gold-on-porous silicon hybrid material that exhibits a highly sensitive and reproducible surface-enhanced Raman spectroscopy (SERS) response. The material was fabricated simply by reducing gold chloride with hydrofluoric acid on the surface of macro-porous silicon (macro-PSi). The material consists of thorn-shaped gold nanocrystals with characteristic shapes and sizes on the surface of macro-PSi.
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