Site-selective self-assembly of colloidal photonic crystals

Sanna Arpiainen (Corresponding Author), Fredrik Jonsson, James R. Dekker, Gudrun Kocher, Worawut Khunsin, Clivia M. Solomayor Torres, Jouni Ahopelto

    Research output: Contribution to journalArticleScientificpeer-review

    19 Citations (Scopus)

    Abstract

    A scalable method for site‐selective, directed self‐assembly of colloidal opals on topologically patterned substrates is presented. Here, such substrate contains optical waveguides which couple to the colloidal crystal. The site‐selectivity is achieved by a capillary network, whereas the self‐assembly process is based on controlled solvent evaporation. In the deposition process, a suspension of colloidal microspheres is dispensed on the substrate and driven into the desired crystallization sites by capillary flow. The method has been applied to realize colloidal crystals from monodisperse dielectric spheres with diameters ranging from 290 to 890 nm. The method can be implemented in an industrial wafer‐scale process.
    Original languageEnglish
    Pages (from-to)1247-1253
    Number of pages7
    JournalAdvanced Functional Materials
    Volume19
    Issue number8
    DOIs
    Publication statusPublished - 2009
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Photonic crystals
    Self assembly
    self assembly
    photonics
    Substrates
    crystals
    capillary flow
    Capillary flow
    Crystals
    Optical waveguides
    Crystallization
    Microspheres
    optical waveguides
    Suspensions
    Evaporation
    evaporation
    crystallization

    Keywords

    • capillary flow
    • opals
    • photonics
    • photonic crystals
    • self-assembly

    Cite this

    Arpiainen, Sanna ; Jonsson, Fredrik ; Dekker, James R. ; Kocher, Gudrun ; Khunsin, Worawut ; Solomayor Torres, Clivia M. ; Ahopelto, Jouni. / Site-selective self-assembly of colloidal photonic crystals. In: Advanced Functional Materials. 2009 ; Vol. 19, No. 8. pp. 1247-1253.
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    abstract = "A scalable method for site‐selective, directed self‐assembly of colloidal opals on topologically patterned substrates is presented. Here, such substrate contains optical waveguides which couple to the colloidal crystal. The site‐selectivity is achieved by a capillary network, whereas the self‐assembly process is based on controlled solvent evaporation. In the deposition process, a suspension of colloidal microspheres is dispensed on the substrate and driven into the desired crystallization sites by capillary flow. The method has been applied to realize colloidal crystals from monodisperse dielectric spheres with diameters ranging from 290 to 890 nm. The method can be implemented in an industrial wafer‐scale process.",
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    author = "Sanna Arpiainen and Fredrik Jonsson and Dekker, {James R.} and Gudrun Kocher and Worawut Khunsin and {Solomayor Torres}, {Clivia M.} and Jouni Ahopelto",
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    Site-selective self-assembly of colloidal photonic crystals. / Arpiainen, Sanna (Corresponding Author); Jonsson, Fredrik; Dekker, James R.; Kocher, Gudrun; Khunsin, Worawut; Solomayor Torres, Clivia M.; Ahopelto, Jouni.

    In: Advanced Functional Materials, Vol. 19, No. 8, 2009, p. 1247-1253.

    Research output: Contribution to journalArticleScientificpeer-review

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    AU - Arpiainen, Sanna

    AU - Jonsson, Fredrik

    AU - Dekker, James R.

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    AU - Khunsin, Worawut

    AU - Solomayor Torres, Clivia M.

    AU - Ahopelto, Jouni

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    AB - A scalable method for site‐selective, directed self‐assembly of colloidal opals on topologically patterned substrates is presented. Here, such substrate contains optical waveguides which couple to the colloidal crystal. The site‐selectivity is achieved by a capillary network, whereas the self‐assembly process is based on controlled solvent evaporation. In the deposition process, a suspension of colloidal microspheres is dispensed on the substrate and driven into the desired crystallization sites by capillary flow. The method has been applied to realize colloidal crystals from monodisperse dielectric spheres with diameters ranging from 290 to 890 nm. The method can be implemented in an industrial wafer‐scale process.

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