A Tunable Polymer–Metal Based Anti‐Reflective Metasurface

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Abstract: Anti‐reflective surfaces are of great interest for optical devices, sensing, photovoltaics, and photocatalysis. However, most of the anti‐reflective surfaces lack in situ tunability of the extinction with respect to wavelength. This communication demonstrates a tunable anti‐reflective surface based on colloidal particles comprising a metal core with an electrochromic polymer shell. Random deposition of these particles on a reflective surface results in a decrease in the reflectance of up to 99.8% at the localized surface plasmon resonance frequency. This narrow band feature can be tuned by varying the pH or by application of an electric potential, resulting in wavelength shifts of up to 30 nm. Electrophoretic particle deposition is shown to be an efficient method for controlling the interparticle distance and thereby further optimizing the overall efficiency of the anti‐reflective metasurface.

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch

Erschienen in
A Tunable Polymer–Metal Based Anti‐Reflective Metasurface ; volume:41 ; number:1 ; year:2020 ; extent:6
Macromolecular rapid communications ; 41, Heft 1 (2020) (gesamt 6)

Urheber
Brasse, Yannic
Ng, Charlene
Magnozzi, Michele
Zhang, Heyou
Mulvaney, Paul
Fery, Andreas
Gómez, Daniel E.

DOI
10.1002/marc.201900415
URN
urn:nbn:de:101:1-2022061508171216216977
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:37 MESZ

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