Plasmonic electrochromic nanodevices for color and transmission modulation

Eric Hopmann; Brett N. Carnio; Curtis J. Firby; Basem Y. Shahriar; Elezzabi Adulhakem Y.

doi:10.1117/12.2576701

5 March 2021 Plasmonic electrochromic nanodevices for color and transmission modulation

Eric Hopmann, Brett N. Carnio, Curtis J. Firby, Basem Y. Shahriar, Elezzabi Adulhakem Y.

Proceedings Volume 11684, Ultrafast Phenomena and Nanophotonics XXV; 116840R (2021) https://doi.org/10.1117/12.2576701
Event: SPIE OPTO, 2021, Online Only

Abstract

As of late, research related to plasmonic-electrochromic (“plasmochromic”) devices and nanostructures has gained significant interest from a multidisciplinary field of researchers. The dynamic optical properties of electrochromic materials in combination with the enhanced light-matter interaction of plasmonic nanostructures and metal films, makes this new class of devices contenders in the fields of color printing, light, and resonance modulation. While conventionally used in electrochromic smart windows, plasmochromic devices use the individual parts of the refractive index. The most important electrochromic material is tungsten oxide (WO3), which exhibits a high change in the refractive index () and extinction (Delta k=0.5) during reversible ion intercalation. Here, plasmochromic resonance modulation is used to create a dynamic reflective display with a wavelength modulation of over 64 nm in the visible range. The results are verified via FDTD analysis, which projects a maximum wavelength shift of over 100 nm.

Conference Presentation

Citation Download Citation

Eric Hopmann, Brett N. Carnio, Curtis J. Firby, Basem Y. Shahriar, and Elezzabi Adulhakem Y. "Plasmonic electrochromic nanodevices for color and transmission modulation", Proc. SPIE 11684, Ultrafast Phenomena and Nanophotonics XXV, 116840R (5 March 2021); https://doi.org/10.1117/12.2576701

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