James A. Hutchison, Andrea Liscio, Tal Schwartz, Antoine Canaguier-Durand, Cyriaque Genet, Vincenzo Palermo, Paolo Samorì and Thomas W. Ebbesen Tuning the Work-Function Via Strong Coupling Advanced Materials 25
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.
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