Titania inverse opals for infrared optical applications

M. Lanata, Matteo Cherchi, A. Zappettini (Corresponding Author), S. M. Pietralunga, M. Martinelli

Research output: Contribution to journalArticleScientificpeer-review

32 Citations (Scopus)

Abstract

Photonic crystals have gathered great importance in recent years. In particular macroporous materials (inverse opals) show interesting properties as photonic crystals. Ordered macroporous titanium dioxide (TiO2) is made using polystyrene spheres as a template. Titania is chosen for its high refractive index (>2.5). Following an already known technique [E.G. Judith, J. Wijnhoven, W.L. Vos, Science 281 (1998) 802; B.T. Holland, C.F. Blanford, A. Stein, Science 281 (1998) 538; B.T. Holland, C.F. Blanford, T. Do, A. Stein, Chem. Mater. 11 (1999) 795] large-scale order in macroporous TiO2is obtained both using the 778 and the 3190 nm beads as documented by optical microscope and SEM images. These structures would lead to applications in the mid-infrared range.
Original languageEnglish
Pages (from-to)11-14
Number of pages4
JournalOptical Materials
Volume17
Issue number1-2
DOIs
Publication statusPublished - 2001
MoE publication typeA1 Journal article-refereed

Fingerprint

Titania
Netherlands
Photonic crystals
Titanium
photonics
Infrared radiation
Polystyrenes
optical microscopes
titanium oxides
beads
Titanium dioxide
crystals
Refractive index
polystyrene
Microscopes
templates
refractivity
Scanning electron microscopy
scanning electron microscopy
titanium dioxide

Keywords

  • Inverse opals
  • Macroporous materials
  • Photonic crystals

Cite this

Lanata, M., Cherchi, M., Zappettini, A., Pietralunga, S. M., & Martinelli, M. (2001). Titania inverse opals for infrared optical applications. Optical Materials, 17(1-2), 11-14. https://doi.org/10.1016/S0925-3467(01)00013-1
Lanata, M. ; Cherchi, Matteo ; Zappettini, A. ; Pietralunga, S. M. ; Martinelli, M. / Titania inverse opals for infrared optical applications. In: Optical Materials. 2001 ; Vol. 17, No. 1-2. pp. 11-14.
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Lanata, M, Cherchi, M, Zappettini, A, Pietralunga, SM & Martinelli, M 2001, 'Titania inverse opals for infrared optical applications', Optical Materials, vol. 17, no. 1-2, pp. 11-14. https://doi.org/10.1016/S0925-3467(01)00013-1

Titania inverse opals for infrared optical applications. / Lanata, M.; Cherchi, Matteo; Zappettini, A. (Corresponding Author); Pietralunga, S. M.; Martinelli, M.

In: Optical Materials, Vol. 17, No. 1-2, 2001, p. 11-14.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Titania inverse opals for infrared optical applications

AU - Lanata, M.

AU - Cherchi, Matteo

AU - Zappettini, A.

AU - Pietralunga, S. M.

AU - Martinelli, M.

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AB - Photonic crystals have gathered great importance in recent years. In particular macroporous materials (inverse opals) show interesting properties as photonic crystals. Ordered macroporous titanium dioxide (TiO2) is made using polystyrene spheres as a template. Titania is chosen for its high refractive index (>2.5). Following an already known technique [E.G. Judith, J. Wijnhoven, W.L. Vos, Science 281 (1998) 802; B.T. Holland, C.F. Blanford, A. Stein, Science 281 (1998) 538; B.T. Holland, C.F. Blanford, T. Do, A. Stein, Chem. Mater. 11 (1999) 795] large-scale order in macroporous TiO2is obtained both using the 778 and the 3190 nm beads as documented by optical microscope and SEM images. These structures would lead to applications in the mid-infrared range.

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