Year: 2017
Type: article
Abstract: This is the first report of the use of a hand-held 1064 nm Raman spectrometer combined with red-shifted surface-enhanced Raman scattering (SERS) nanotags to provide an unprecedented performance in the short-wave infrared (SWIR) region. A library consisting of 17 chalcogenopyrylium nanotags produce extraordinary SERS responses with femtomolar detection limits being obtained using the portable instrument. This is well beyond previous SERS detection limits at this far red-shifted wavelength and opens up new options for SERS sensors in the SWIR region of the electromagnetic spectrum (between 950 and 1700 nm).
Source: Royal Society Open Science
DOI: 10.1098/rsos.170422
Authors: Hayleigh Kearns, Fatima Ali, Matthew A. Bedics, Neil C. Shand, Karen Faulds, Michael R. Detty, Duncan Graham
Language: English
Field: Materials Science
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,471
OpenAlex ID: W2726220561