Kim, J;
Han, JH;
Kim, HM;
Lee, TC;
Jeong, HH;
(2023)
Plasmonic Nano-Rotamers with Programmable Polarization-Resolved Coloration.
Advanced Optical Materials
, Article 2301730. 10.1002/adom.202301730.
(In press).
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Abstract
3D-shaped artificial Mg nano-rotamers with a programmable dihedral angle between two plasmonic arms, designed to exhibit both programmable linear and circular polarization properties, are presented. The nanoscale physical shadow growth technique offers precise control over the angular alignment in these nanostructures with 1° angular precision, thus controlling their symmetry from achiral C2v and C2h to chiral C2. As a result, they give rise to a wide range of polarization-resolved coloration, spanning from invisible to visible colors with 46% transmission contrast for linear polarization while exhibiting 0.08 g-factor in visible for circular polarization. These nano-rotamers hold great potential for various applications in adaptive photonic filters, memory, and anticounterfeiting devices, benefiting from their tunable plasmonic properties.
| Type: | Article |
|---|---|
| Title: | Plasmonic Nano-Rotamers with Programmable Polarization-Resolved Coloration |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/adom.202301730 |
| Publisher version: | https://doi.org/10.1002/adom.202301730 |
| Language: | English |
| Additional information: | © 2023 The Authors. Advanced Optical Materials published by Wiley-VCH GmbH This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Keywords: | metamolecules, physical shadow growth, plasmonic rotamer, polarization-resolved coloration |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office > Institute for Materials Discovery |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10183226 |
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