Micropatterning of Multiple Photonic Colloidal Crystal Gels for Flexible Structural Color Films

Noriyuki Suzuki, Eiji Iwase, Hiroaki Onoe

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    We herein report the micropatterning of flexible multiple photonic colloidal crystal gels (PCCGs) using single-layered microchannels. These patterned PCCGs exhibit structural colors that can be tuned by adjustment of the diameter and concentration of the colloidal particles in precursor solutions of N-isopropylacrylamide (NIPAM) or polyethylene glycol diacrylate (PEGDA). The precursor solutions containing dispersed colloidal particles were selectively injected into single-layered microchannels where they polymerized rapidly. The shape, density, and height of the patterned PCCG pixels were determined by the microchannels, which in turn determined the optical properties of the PCCG arrays. Furthermore, the preparation of three different types of PCCGs exhibiting three different structural colors at a high pixel density was demonstrated successfully using the single-layered polydimethylsiloxane (PDMS) microchannels. Finally, the optical reflective properties and the mechanical flexibility of the patterned multiple PCCG arrays were evaluated. We expect that our method for the preparation of such patterned PCCG arrays will contribute to the development of flexible optical devices.

    Original languageEnglish
    Pages (from-to)6102-6107
    Number of pages6
    JournalLangmuir
    Volume33
    Issue number24
    DOIs
    Publication statusPublished - 2017 Jun 20

    Fingerprint

    Color films
    Photonics
    Gels
    gels
    photonics
    color
    Crystals
    microchannels
    Microchannels
    crystals
    Pixels
    pixels
    Color
    optical properties
    preparation
    Polydimethylsiloxane
    Optical devices
    Polyethylene glycols
    glycols
    polyethylenes

    ASJC Scopus subject areas

    • Materials Science(all)
    • Condensed Matter Physics
    • Surfaces and Interfaces
    • Spectroscopy
    • Electrochemistry

    Cite this

    Micropatterning of Multiple Photonic Colloidal Crystal Gels for Flexible Structural Color Films. / Suzuki, Noriyuki; Iwase, Eiji; Onoe, Hiroaki.

    In: Langmuir, Vol. 33, No. 24, 20.06.2017, p. 6102-6107.

    Research output: Contribution to journalArticle

    Suzuki, Noriyuki ; Iwase, Eiji ; Onoe, Hiroaki. / Micropatterning of Multiple Photonic Colloidal Crystal Gels for Flexible Structural Color Films. In: Langmuir. 2017 ; Vol. 33, No. 24. pp. 6102-6107.
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