Enhancing surface plasmon resonances of metallic nanoparticles by diatom biosilica Public Deposited

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This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website:  http://www.osa.org/en-us/home/. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

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  • Diatoms are single-celled algaes that make photonic-crystal-like silica shells or frustules with hierarchical micro- & nano-scale features consisting of two-dimensional periodic pores. This article reports the use of diatom frustules as an integration platform to enhance localized surface plasmon resonances of self-assembled silver nanoparticles (NPs) on the surface of diatom frustules. Theoretical and experimental results show enhanced localized surface plasmons due to the coupling with the guided-mode resonances of the frustules. We observed 2 x stronger optical extinction and over 4 x higher sensitivity of surface-enhanced Raman scattering of Rhodmine 6G from the NPs-on-diatom than the NPs-on-glass structure. (C) 2013 Optical Society of America
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  • Ren, F., Campbell, J., Wang, X., Rorrer, G. L., & Wang, A. X. (2013). Enhancing surface plasmon resonances of metallic nanoparticles by diatom biosilica. Optics Express, 21(13), 15308-15313. doi:10.1364/OE.21.015308
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  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2013-09-04T21:16:17Z No. of bitstreams: 1 RenFanghuiElectricalEngineeringComputerScienceEnhancingSurfacePlasmon.pdf: 1021217 bytes, checksum: e72c2e11cf084816a6e13ef2653122b0 (MD5)
  • description.provenance : Approved for entry into archive by Deborah Campbell(deborah.campbell@oregonstate.edu) on 2013-09-04T21:16:40Z (GMT) No. of bitstreams: 1 RenFanghuiElectricalEngineeringComputerScienceEnhancingSurfacePlasmon.pdf: 1021217 bytes, checksum: e72c2e11cf084816a6e13ef2653122b0 (MD5)
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