Dynamic Plasmonic Pixels

ACS Nano
Nicholas J GreybushJake Fontana

Abstract

Information display utilizing plasmonic color generation has recently emerged as an alternative paradigm to traditional printing and display technologies. However, many implementations so far have either presented static pixels with a single display state or rely on relatively slow switching mechanisms such as chemical transformations or liquid crystal transitions. Here, we demonstrate spatial, spectral, and temporal control of light using dynamic plasmonic pixels that function through the electric-field-induced alignment of plasmonic nanorods in organic suspensions. By tailoring the geometry and composition (Au and Au@Ag) of the nanorods, we illustrate light modulation across a significant portion of the visible and infrared spectrum (600-2400 nm). The fast (∼30 μs), reversible nanorod alignment is manifested as distinct color changes, characterized by shifts of observed chromaticity and luminance. Integration into larger device architectures is showcased by the fabrication of a seven-segment numerical indicator. The control of light on demand achieved in these dynamic plasmonic pixels establishes a favorable platform for engineering high-performance optical devices.

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Citations

Jun 20, 2019·Chemical Communications : Chem Comm·Xixia ZhaoZewei Quan
Dec 18, 2019·Chemical Society Reviews·Hebing HuYi Long
Mar 17, 2020·Chemical Society Reviews·Xueli ZhaoXiaoyuan Chen
May 13, 2020·Nature Communications·Tianxi JiangZhi-Ke Peng
Jun 5, 2020·Proceedings of the National Academy of Sciences of the United States of America·Daniel FranklinDebashis Chanda
Sep 13, 2020·Science Advances·Frank NeubrechNa Liu
Jun 2, 2020·Optics Letters·A D SánchezD F Grosz
Feb 27, 2020·The Journal of Physical Chemistry Letters·Toshiaki FukagawaKazuyuki Hino
Mar 21, 2020·ACS Applied Materials & Interfaces·Wenzheng LuJianfang Wang
Sep 28, 2021·Chemical Reviews·Jiapeng ZhengJianfang Wang

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