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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 3, Iss. 9 — Sep. 1, 2013
  • pp: 1351–1357

Preparation of UV-cured organic–inorganic hybrid materials with low refractive index for multilayer film applications

Takuya Uehara, Masaru Nakagawa, and Okihiro Sugihara  »View Author Affiliations

Optical Materials Express, Vol. 3, Issue 9, pp. 1351-1357 (2013)

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Ultraviolet (UV)-cured organic–inorganic hybrid materials with low refractive index (<1.40) were prepared for multilayer film applications. The hybrid materials comprised hollow silica nanoparticles modified with trialkoxysilane-derived reactive coupling agents. The average number of modifier molecules on the surface of a hollow silica nanoparticle was 0.47 molecule/nm2. The modified hollow silica nanoparticles were homogeneously mixed with UV-curable resins, which induced radical photopolymerization. A UV-cured film containing 60 wt% hollow silica nanoparticles showed a transmittance of >99% in the visible and near-infrared regions and a low refractive index of 1.372 at 633 nm. A TiO2-containing UV-cured hybrid film with high refractive index was easily coated on the UV-cured low-refractive-index film.

© 2013 OSA

OCIS Codes
(160.4760) Materials : Optical properties
(160.4236) Materials : Nanomaterials

ToC Category:

Original Manuscript: April 8, 2013
Revised Manuscript: June 25, 2013
Manuscript Accepted: July 7, 2013
Published: August 13, 2013

Takuya Uehara, Masaru Nakagawa, and Okihiro Sugihara, "Preparation of UV-cured organic–inorganic hybrid materials with low refractive index for multilayer film applications," Opt. Mater. Express 3, 1351-1357 (2013)

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