Switchable nematic emulsions are composite systems formed by liquid-crystal droplets dispersed ina fluid, homogeneous, monomer matrix, which can be turned from an opaque to an opticallytransparent state by application of a suitable ac electric field. An electrochromic device provides areversible and visible change in its transmittance and/or reflectance as the result of either oxidationor reduction electrochemical processes. Both devices have been proven to be useful for a variety ofelectro-optical applications as switchable windows, electromagnetic shutters, and displays. Thisletter reports preliminary results on a bifunctional device based on a switchable nematic emulsion,which hosts electrochemical reactions. The presence of a liquid-crystal dispersion ensures theswitching from a scattering and opaque state to a transmissive and transparent state, while theoxidation–reduction reactions allow a contemporary and independent change in color.

Electrochromism in switchable nematic emulsions

NICOLETTA, Fiore Pasquale;DE FILPO, Giovanni;CHIDICHIMO, Giuseppe
2004-01-01

Abstract

Switchable nematic emulsions are composite systems formed by liquid-crystal droplets dispersed ina fluid, homogeneous, monomer matrix, which can be turned from an opaque to an opticallytransparent state by application of a suitable ac electric field. An electrochromic device provides areversible and visible change in its transmittance and/or reflectance as the result of either oxidationor reduction electrochemical processes. Both devices have been proven to be useful for a variety ofelectro-optical applications as switchable windows, electromagnetic shutters, and displays. Thisletter reports preliminary results on a bifunctional device based on a switchable nematic emulsion,which hosts electrochemical reactions. The presence of a liquid-crystal dispersion ensures theswitching from a scattering and opaque state to a transmissive and transparent state, while theoxidation–reduction reactions allow a contemporary and independent change in color.
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/129044
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 16
  • ???jsp.display-item.citation.isi??? 16
social impact