Plasmoelectric potentials in Au nano-hole arrays (presentation video)

Matthew T. Sheldon; Jorik van de Groep; Ana M. Brown; Albert Polman; Harry A. Atwater Jr.

doi:10.1117/12.2063576

17 August 2014 Plasmoelectric potentials in Au nano-hole arrays (presentation video)

Matthew T. Sheldon, Jorik van de Groep, Ana M. Brown, Albert Polman, Harry A. Atwater Jr.

Proceedings Volume 9162, Active Photonic Materials VI; 91621D (2014) https://doi.org/10.1117/12.2063576
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

The resonant plasmonic properties of metallic nanostructures depend strongly on charge carrier density. Stemming from this dependence, we report a theoretical framework and provided experimental evidence for a ‘plasmoelectric effect’, a newly described mechanism for generating electrochemical potentials in plasmonic nanostructures. Systematic electrical and optical characterization of Au nano-hole arrays shows that the magnitude and sign of the plasmoelectric potential depends on the frequency difference between the plasmon resonance and incident narrowband radiation. Our findings guide the development of solid-state power conversion devices based on the plasmoelectric effect, as our samples generate electrochemical potentials 1000x larger than comparable thermocouples.

Citation Download Citation

Matthew T. Sheldon, Jorik van de Groep, Ana M. Brown, Albert Polman, and Harry A. Atwater Jr. "Plasmoelectric potentials in Au nano-hole arrays (presentation video)", Proc. SPIE 9162, Active Photonic Materials VI, 91621D (17 August 2014); https://doi.org/10.1117/12.2063576

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