Tuning the work-function via strong coupling

James A. Hutchison, Andrea Liscio, Tal Schwartz, Antoine Canaguier-Durand, Cyriaque Genet, Vincenzo Palermo, Paolo Samorì, Thomas W. Ebbesen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The tuning of the molecular material work-function via strong coupling with vacuum electromagnetic fields is demonstrated. Kelvin probe microscopy extracts the surface potential (SP) changes of a photochromic molecular film on plasmonic hole arrays and inside Fabry-Perot cavities. Modulating the optical cavity resonance or the photochromic film effectively tunes the work-function, suggesting a new tool for tailoring material properties.

Original languageEnglish
Pages (from-to)2481-2485
Number of pages5
JournalAdvanced Materials
Volume25
Issue number17
DOIs
StatePublished - 7 May 2013
Externally publishedYes

Funding

FundersFunder number
Seventh Framework Programme257305

    Keywords

    • optical cavities
    • organic materials
    • strong coupling
    • surface plasmons
    • work function

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