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Surface- and tip-enhanced Raman spectroscopy in catalysis.

Hartman, T*; Wondergem, C S*; Kumar, N; van den Berg, A*; Weckhuysen, B M* (2016) Surface- and tip-enhanced Raman spectroscopy in catalysis. J. Phys. Chem. Lett., 7 (8). pp. 1570-1584.

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Surface- and Tip-enhanced Raman spectroscopy (SERS and TERS) techniques exhibit highly localized chemical sensitivity, making them ideal to study surface reactions on catalytic solids. Catalyst structures, adsorbates and intermediates can be observed in low quantities at hot spots where electromagnetic fields are the strongest, providing ample opportunities to elucidate reaction mechanisms. However, factors such as substrate instability and insufficient signal enhancement still limit the applicability of SERS and TERS in the field of heterogeneous catalysis. By the use of sophisticated colloidal synthesis methods and advanced techniques, like shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS), these challenges could be overcome.

Item Type: Article
Keywords: Heterogeneous Catalysis, Tip-Enhanced Raman Spectroscopy, Surface-Enhanced Raman Spectroscopy, Surface Species, Nanoscale
Subjects: Nanoscience
Nanoscience > Surface and Nanoanalysis
Identification number/DOI: 10.1021/acs.jpclett.6b00147
Last Modified: 02 Feb 2018 13:13
URI: http://eprintspublications.npl.co.uk/id/eprint/7078

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