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Effective Collection and Detection of Airborne Species Using SERS‐Based Detection and Localized Electrodynamic Precipitation
Author(s) -
Lin EnChiang,
Fang Jun,
Park SeChul,
Stauden Thomas,
Pezoldt Joerg,
Jacobs Heiko O.
Publication year - 2013
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201300472
Subject(s) - materials science , precipitation , diffusion , silver nanoparticle , nanoparticle , nanotechnology , analytical chemistry (journal) , meteorology , environmental chemistry , thermodynamics , physics , chemistry
Three different delivery concepts (standard diffusion, global electrodynamic precipitation, and localized nanolens‐based precipitation) and three different SERS enhancement layers (a silver film, a nanolens‐based localized silver nanoparticle film, and the standard AgFON) are compared. The nanolens concept is applied to increase the SERS signal: a factor of 633, when compared to a standard mechanism of diffusion, is observed.