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- Title
Surface Plasmon Electrochemistry: Tutorial and Review.
- Authors
Hirbodvash, Zohreh; Berini, Pierre
- Abstract
Surface plasmon polaritons (SPPs) are optical surface waves propagating along a metal surface. They exhibit attributes such as field enhancement and sub-wavelength localization, which make them attractive for surface sensing, as they are heavily exploited in surface plasmon biosensors. Electrochemistry also occurs on metal surfaces, and electrochemical techniques are also commonly applied in biosensors. As metal surfaces are integral in both, it is natural to combine these techniques into a single platform. Motivations include: (i) realising a multimodal biosensor (electrochemical and optical), (ii) using SPPs to probe the electrochemical double layer or to probe electrochemical activity, thus revealing complementary information on redox reactions, or (iii) using SPPs to pump electrochemical reactions by creating non-equilibrium energetic electrons and holes in a working electrode through the absorption of SPPs thereon. The latter is of interest as it may yield novel redox reaction pathways (i.e., plasmonic electrocatalysis).
- Subjects
ELECTROCHEMISTRY; METALLIC surfaces; OXIDATION-reduction reaction; NON-equilibrium reactions; POLARITONS; ELECTROCATALYSIS
- Publication
Chemosensors, 2023, Vol 11, Issue 3, p196
- ISSN
2227-9040
- Publication type
Article
- DOI
10.3390/chemosensors11030196