CUED Publications database

FullyPrinted Flexible Plasmonic Metafilms with Directional Color Dynamics

Peng, J and Jeong, HH and Smith, M and Chikkaraddy, R and Lin, Q and Liang, HL and De Volder, MFL and Vignolini, S and Kar-Narayan, S and Baumberg, JJ (2021) FullyPrinted Flexible Plasmonic Metafilms with Directional Color Dynamics. Advanced Science, 8.

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Abstract

Plasmonic metafilms have been widely utilized to generate vivid colors, but making them both active and flexible simultaneously remains a great challenge. Here flexible active plasmonic metafilms constructed by printing electrochromic nanoparticles onto ultrathin metal films (<15 nm) are presented, offering low-power electricallydriven color switching. In conjunction with commercially available printing techniques, such flexible devices can be patterned using lithography-free approaches, opening up potential for fullyprinted electrochromic devices. Directional optical effects and dynamics show perceived upward and downward colorations can differ, arising from the dissimilar plasmonic mode excitation between nanoparticles and ultrathin metal films.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Div E > Production Processes
Depositing User: Cron Job
Date Deposited: 21 Nov 2020 01:46
Last Modified: 13 Apr 2021 09:21
DOI: 10.1002/advs.202002419