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The Effect of Silver Grating and Nanoparticles Grafting for LSP-SPP Coupling and SERS Response Intensification

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F16%3A00242817" target="_blank" >RIV/68407700:21230/16:00242817 - isvavai.cz</a>

  • Alternative codes found

    RIV/60461373:22330/16:43902152 RIV/60461373:22810/16:43902152 RIV/60461373:22310/16:43902152

  • Result on the web

    <a href="http://dx.doi.org/10.1021/acs.jpcc.6b01587" target="_blank" >http://dx.doi.org/10.1021/acs.jpcc.6b01587</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.jpcc.6b01587" target="_blank" >10.1021/acs.jpcc.6b01587</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Effect of Silver Grating and Nanoparticles Grafting for LSP-SPP Coupling and SERS Response Intensification

  • Original language description

    The systematic study of structures with gold and silver nanoparticles (MeNPs) of various shape and dielectric function immobilized onto the silver grating is performed. The structures may serve as double resonance SERS (Surface-enhanced Raman spectroscopy) systems with the coupling between surface plasmon polaritons (SPPs) supported by the silver grating and localized surface plasmons (LSPs) excited on the grafted metals nanoparticles (MeNPs). The silver grating supports SPP excitation under the 785 nm wavelength illumination. Spherical silver and gold nanoparticles, triangular silver nanoprisms and gold nanorods are prepared and used with the aim to gradually cover the LSP excitation in 400-850 nm wavelength range. MeNPs are grafted through the 4,4'-biphenyldithiol (BFDT) linkers. Rhodamine 6G (R6G) molecules are added onto SERS substrates and located above and between the MeNPs. Several wavelengths (470, 532, and 785 nm) are applied to probe the SERS response. Depending on the nanoparticles type and excitation wavelength the significant SERS signal is produced by R6G or BFDT molecules. The properties of the prepared structures are simulated using Finite-difference time-domain method (FDTD). Measured and simulated SERS data are in reasonable agreement, the measured values being lower than those calculated.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20201 - Electrical and electronic engineering

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    The Journal of Physical Chemistry C

  • ISSN

    1932-7447

  • e-ISSN

  • Volume of the periodical

    120

  • Issue of the periodical within the volume

    19

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    9

  • Pages from-to

    10569-10577

  • UT code for WoS article

    000376417500049

  • EID of the result in the Scopus database

    2-s2.0-84971276186