Probing the Photothermal Effect of Gold‐Based Nanocages with Surface‐Enhanced Raman Scattering (SERS)
- 15 December 2009
- journal article
- research article
- Published by Wiley in Angewandte Chemie International Edition
- Vol. 48 (52), 9924-9927
- https://doi.org/10.1002/anie.200904382
Abstract
A spectral thermometer: The conformation of molecules on a metallic nanoparticle's surface is sensitive to temperature variations and can be easily monitored in situ by surface‐enhanced Raman scattering (SERS). Excitation of the metallic nanoparticle for SERS can concurrently induce a photothermal effect whereby the light absorbed by the nanoparticle is released as heat. From the SERS spectra, the changes in temperature during the photothermal effect can be derived (see picture).Keywords
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