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ECS Meeting Abstracts, 31(MA2019-01), p. 1610-1610, 2019

DOI: 10.1149/ma2019-01/31/1610

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(Invited) Exotic Electronic Excitation of a Single-Layer Graphene By Surface Localized Plasmons Under Electrochemical Potential Control

Journal article published in 2019 by Jinjiang Zhang, Ruifeng Zhou ORCID, Hiro Minamimoto ORCID, Kei Murakoshi ORCID
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Localized surface plasmons (LSPs) of novel metal nanoparticles has distinct electromagnetic interactions with matter compared with the case using far-filed light. The high field gradient near metal nanostructures opens up the possibility for additional transitions beyond those allowed by normal selection rules, enhancing light-matter interactions. Moreover, plasmon-induced ‘hot carriers’ can accelerate chemical reactions. The energy distribution, lifetime, and transfer of ‘hot carriers’ are key factors affecting electrochemical processes. We find that the LSPs of the Au nanodimer structures prepared on defect-free graphene provide highly-confined electromagnetic field to generate holes and electrons with the electrochemical potentials beyond the limit of those under normal light illumination.