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, S., Jonsson, F., Dekker, J. R., Kocher, G., Khunsin, W., Solomayor Torres, C. M., & Ahopelto, J. (2009). Site-selective self-assembly of colloidal photonic crystals. Advanced Functional Materials, 19(8), 1247-1253. https://doi.org/10.1002/adfm.200801612
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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Arpiainen, S, Jonsson, F, Dekker, JR, Kocher, G, Khunsin, W, Solomayor Torres, CM & Ahopelto, J 2009, 'Site-selective self-assembly of colloidal photonic crystals', Advanced Functional Materials, vol. 19, no. 8, pp. 1247-1253. https://doi.org/10.1002/adfm.200801612

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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T1 - Site-selective self-assembly of colloidal photonic crystals

AU - Arpiainen, Sanna

AU - Jonsson, Fredrik

AU - Dekker, James R.

AU - Kocher, Gudrun

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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.

KW - capillary flow

KW - opals

KW - photonics

KW - photonic crystals

KW - self-assembly

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Arpiainen S, Jonsson F, Dekker JR, Kocher G, Khunsin W, Solomayor Torres CM et al. Site-selective self-assembly of colloidal photonic crystals. Advanced Functional Materials. 2009;19(8):1247-1253. https://doi.org/10.1002/adfm.200801612