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Proceedings Paper

Surface-enhanced Raman scattering on diatom biosilica photonic crystals
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Paper Abstract

Diatoms are a group of single-celled photosynthetic algae that make skeletal shells of hydrated amorphous silica, called frustules, which possess hierarchical nanoscale photonic crystal features made by a bottom-up approach at ambient temperature and pressure. In this paper, we theoretically investigate electric field enhancements of plasmonic nanoparticles coated on the surface of diatom skeletal shells. Surface-Enhanced Raman Scattering substrates are prepared by evaporating 10 nm thick silver film and self-assembling silver nanoparticles on diatom surfaces, which show significantly better SERS signals than silver nanoparticles on flat glass substrates.

Paper Details

Date Published: 12 April 2013
PDF: 8 pages
Proc. SPIE 8598, Bioinspired, Biointegrated, Bioengineered Photonic Devices, 85980N (12 April 2013); doi: 10.1117/12.2009375
Show Author Affiliations
Fanghui Ren, Oregon State Univ. (United States)
Jeremy Campbell, Oregon State Univ. (United States)
Dihan Hasan, Oregon State Univ. (United States)
Xiangyu Wang, Oregon State Univ. (United States)
Gregory L. Rorrer, Oregon State Univ. (United States)
Alan X. Wang, Oregon State Univ. (United States)

Published in SPIE Proceedings Vol. 8598:
Bioinspired, Biointegrated, Bioengineered Photonic Devices
Luke P. Lee; John A. Rogers; Seok-Hyun Yun, Editor(s)

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