Patterned full-color reflective coatings based on photonic cholesteric liquid-crystalline particles

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An easy approach to pattern angular-independent, multicolor reflective coatings based on cholesteric liquid-crystalline (CLC) particles is presented. CLC particles are fabricated by emulsification, which is a scalable, cost-effective, and environmentally friendly synthesis process. The photonic particles can be easily dispersed in a binder to produce reflective coatings. Furthermore, a simple strategy to remove the photonic cross-communication between the particles has been developed. By incorporating a reactive blue/green absorbing dye into the network structure of the CLC particles the cross-communication is absorbed by the dye, leading to well-defined structural colors. Moreover, we demonstrate the possibility of producing patterned multicolor images by controlled swelling of the particles by the binder.

TaalEngels
Pagina's14376-14382
Aantal pagina's7
TijdschriftACS Applied Materials and Interfaces
Volume11
Nummer van het tijdschrift15
DOI's
StatusGepubliceerd - 17 apr 2019

Vingerafdruk

Reflective coatings
Photonics
Crystalline materials
Color
Binders
Liquids
Coloring Agents
Dyes
Emulsification
Communication
Swelling
Costs

Trefwoorden

    Citeer dit

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    title = "Patterned full-color reflective coatings based on photonic cholesteric liquid-crystalline particles",
    abstract = "An easy approach to pattern angular-independent, multicolor reflective coatings based on cholesteric liquid-crystalline (CLC) particles is presented. CLC particles are fabricated by emulsification, which is a scalable, cost-effective, and environmentally friendly synthesis process. The photonic particles can be easily dispersed in a binder to produce reflective coatings. Furthermore, a simple strategy to remove the photonic cross-communication between the particles has been developed. By incorporating a reactive blue/green absorbing dye into the network structure of the CLC particles the cross-communication is absorbed by the dye, leading to well-defined structural colors. Moreover, we demonstrate the possibility of producing patterned multicolor images by controlled swelling of the particles by the binder.",
    keywords = "cholesteric liquid crystal, photonic cross-communication, photonic particles, reflective coatings, structural color, suspension polymerization",
    author = "Alberto Belmonte and Tom Bus and Broer, {Dirk J.} and Schenning, {Albert P.H.J.}",
    year = "2019",
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    publisher = "American Chemical Society",
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    AU - Bus,Tom

    AU - Broer,Dirk J.

    AU - Schenning,Albert P.H.J.

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    AB - An easy approach to pattern angular-independent, multicolor reflective coatings based on cholesteric liquid-crystalline (CLC) particles is presented. CLC particles are fabricated by emulsification, which is a scalable, cost-effective, and environmentally friendly synthesis process. The photonic particles can be easily dispersed in a binder to produce reflective coatings. Furthermore, a simple strategy to remove the photonic cross-communication between the particles has been developed. By incorporating a reactive blue/green absorbing dye into the network structure of the CLC particles the cross-communication is absorbed by the dye, leading to well-defined structural colors. Moreover, we demonstrate the possibility of producing patterned multicolor images by controlled swelling of the particles by the binder.

    KW - cholesteric liquid crystal

    KW - photonic cross-communication

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    KW - structural color

    KW - suspension polymerization

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