Switchable Plasmonic Metasurfaces with High Chromaticity Containing only Abundant Metals
Artikel i vetenskaplig tidskrift, 2017

Plasmonic color generation offers several advantages but is also limited by the cost and availability of noble metals like gold. In this work, we present color-tunable metasurfaces with high chromaticity and reflectivity consisting of an aluminum mirror, a dielectric spacer, and a plasmonic nanohole array in copper. Copper is shown to be an excellent alternative to gold when properly protected from oxidation and makes it possible to generate a wide RGB gamut covering 27% of the standard RGB. By patterning the metasurfaces into microscale pixel triplets, color photos can be well reproduced with high resolution over wafer-sized areas. Further, we demonstrate active modulation of the reflected intensity using an electrochromic conductive polymer deposited on top of the nanostructures by screen printing. This technology opens up for ultrathin and flexible reflective displays in full color, that is, plasmonic electronic paper, compatible with large-scale sustainable production.

electrochromism

electronic paper

Plasmons

colors

nanostructures

Författare

Kunli Xiong

Kemi och kemiteknik, Tillämpad kemi, Teknisk ytkemi

Daniel Tordera

Linköpings universitet

Holst Centre

Gustav Emilsson

Kemi och kemiteknik, Tillämpad kemi, Teknisk ytkemi

Oliver Olsson

Stena Center

Ulrika Linderhed

Acreo AB

Martin Jonsson

Linköpings universitet

Andreas Dahlin

Kemi och kemiteknik, Tillämpad kemi, Teknisk ytkemi

Nano Letters

1530-6984 (ISSN) 1530-6992 (eISSN)

Vol. 17 7033-7039

Styrkeområden

Nanovetenskap och nanoteknik

Ämneskategorier

Kemiteknik

DOI

10.1021/acs.nanolett.7b03665

PubMed

29028347