Mechanoresponsive scatterers for high-contrast optical modulation

Abstract: Smart chromatic materials with optical transmittances that can be modified by light scattering upon external stimuli are attracting extensive interest because of their appealing applications in smart windows, privacy protection, electronic displays, etc. However, the development of these scatterers, which are mostly activated by electric fields, is hindered by their intrinsic energy consumption, slow responses, and poor stability. Recently, mechanoresponsive scatterers based on a strain-driven reconfiguration of the surface or internal structure have emerged, featuring fast responses and a simple composition/fabrication. Because there is no energy consumption to maintain the transparency/opacity, this novel scheme for scatterers holds great promise to break the existing bottleneck. This article presents recent advances in the development of mechanoresponsive scatterers and compares different structural design strategies. The scatterers are categorized into 2D, 3D, and other types according to the dimensions of their functioning structures. The fabrication methods, mechanisms, and relationships between the structural parameters and optical modulating performances are discussed for each category. Next, the potential applications of these scatterers are outlined. Finally, the advantages and disadvantages of the mainstream 2D and 3D categories are summarized, followed by a perspective on future research directions.

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

Erschienen in
Mechanoresponsive scatterers for high-contrast optical modulation ; volume:11 ; number:11 ; year:2021 ; pages:2737-2762 ; extent:026
Nanophotonics ; 11, Heft 11 (2021), 2737-2762 (gesamt 026)

Urheber
Cho, Donghwi
Chen, Haomin
Shin, Jonghwa
Jeon, Seokwoo

DOI
10.1515/nanoph-2021-0642
URN
urn:nbn:de:101:1-2022120813062880610907
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:33 MESZ

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Beteiligte

  • Cho, Donghwi
  • Chen, Haomin
  • Shin, Jonghwa
  • Jeon, Seokwoo

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