Plasmonic colorimetric and SERS sensors for environmental analysis

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dc.contributor.authorWei, Haoranen
dc.contributor.authorHossein Abtahi, Seyyed M.en
dc.contributor.authorVikesland, Peter J.en
dc.contributor.departmentCivil and Environmental Engineeringen
dc.contributor.departmentInstitute of Critical Technology and Applied Scienceen
dc.contributor.departmentDuke University. Center for the Environmental Implications of Nanotechnologyen
dc.date.accessed2016-03-17en
dc.date.accessioned2016-03-18T22:24:55Zen
dc.date.available2016-03-18T22:24:55Zen
dc.date.issued2015-03-10en
dc.description.abstractThe potential for water pollution outbreaks requires the development of rapid, yet simple detection methods for water quality monitoring. Plasmonic nanostructures such as gold (AuNPs) and silver (AgNPs) nanoparticles are compelling candidates for the development of highly sensitive biosensors due to their unique localized surface plasmon resonances (LSPRs). The LSPR of AuNPs and AgNPs lies in the visible and infrared light range and is sensitive to the composition, size, shape, surrounding medium, and aggregation state of these NPs. This plasmonic behavior provides the basis for fabrication of colorimetric sensors for environmental analyses. Furthermore, the LSPR also enhances the electromagnetic field near the NP surface, which provides the basis for surface-enhanced Raman spectroscopy (SERS) based detection. Organic or inorganic pollutants and pathogens can be detected and differentiated based upon the finger-print spectra that arise when they enter SERS-active hot spots. In this tutorial review, we summarize progress made towards environmental analysis based on LSPR-based colorimetric and SERS detection. The problems and challenges that have hindered the development of LSPR-based nanosensors for real-world environmental pollutant monitoring are extensively discussed.en
dc.description.notes2015 Royal Society of Chemistry Open Access Gold Articleen
dc.description.sponsorshipNational Science Foundation (U.S.)en
dc.description.sponsorshipVirginia Tech. Institute for Critical Technology and Applied Scienceen
dc.description.sponsorshipVirginia Tech. Graduate School. Sustainable Nanotechnology Interdisciplinary Graduate Education Program (VTSuN IGEP)en
dc.description.sponsorshipUnited States. Environmental Protection Agencyen
dc.description.sponsorshipCenter for the Environmental Implications of NanoTechnologyen
dc.format.extent16 pagesen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationWei, H., Hossein Abtahi, S. M., & Vikesland, P. J. (2015). Plasmonic colorimetric and SERS sensors for environmental analysis. Environmental Science: Nano, 2(2), 120-135. doi:10.1039/C4EN00211Cen
dc.identifier.doihttps://doi.org/10.1039/C4EN00211Cen
dc.identifier.issn2051-8153en
dc.identifier.issue2en
dc.identifier.other2015_Wei_Plasmonic_colorimetric_and_SERS_senso.pdfen
dc.identifier.otherCBET 1236005en
dc.identifier.otherCBET 1133736en
dc.identifier.otherEF-0830093en
dc.identifier.urihttp://hdl.handle.net/10919/64965en
dc.identifier.volume2en
dc.language.isoenen
dc.publisherThe Royal Society of Chemistryen
dc.rightsCreative Commons Attribution-NonCommercial 3.0 Unporteden
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/en
dc.titlePlasmonic colorimetric and SERS sensors for environmental analysisen
dc.title.serialEnvironmental Science: Nanoen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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