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Ag Nanorod Arrays for SERS: Aspects of Spectral Reproducibility, Surface Contamination, and Spectral Sensitivity

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10314880" target="_blank" >RIV/00216208:11320/15:10314880 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1155/2015/729231" target="_blank" >http://dx.doi.org/10.1155/2015/729231</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1155/2015/729231" target="_blank" >10.1155/2015/729231</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Ag Nanorod Arrays for SERS: Aspects of Spectral Reproducibility, Surface Contamination, and Spectral Sensitivity

  • Original language description

    Ag nanorod arrays prepared by oblique angle vapor deposition (OAD) represent regular, large area substrates for surface-enhanced Raman scattering (SERS) spectroscopy. We studied uniformity and spectral reproducibility of silver OAD-fabricated substrates(AgOADs) by spectral mapping of methylene blue. The results demonstrate good reproducibility apart from occasional "hot-spot" sites where the intensity is higher. The number of "hot-spots" represents 2%-6% of SERS-active sites of mapping substrate area.We were able to obtain good SERS spectra of testing amino acid tryptophan at 1 x 10(-5) M concentration and three different free-base porphyrins down to similar to 10(-7) M concentration. We found out that keeping the AgOADs in a vacuum chamber overnightprevents the surface from binding any contaminants from the ambient atmosphere, without significant reduction in the SERS enhancement. Such substrates provide stable SERS enhancement even when stored for 1 year after preparation.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA13-20110S" target="_blank" >GA13-20110S: New substrates and approaches for sensitive and reproducible biomolecular sensing by means of surface-enhanced Raman scattering (SERS) spectroscopy</a><br>

  • Continuities

    S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Nanomaterials

  • ISSN

    1687-4110

  • e-ISSN

  • Volume of the periodical

    2015

  • Issue of the periodical within the volume

    2015

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

  • UT code for WoS article

    000351113600001

  • EID of the result in the Scopus database

    2-s2.0-84924370960