Refractive index control and rayleigh scattering properties of transparent TiO2 nanohybrid polymer

Hendry I. Elim; Bin Cai; Yu Kurata; Okihiro Sugihara; Toshikuni Kaino; Tadafumi Adschiri; Ang Ling Chu; Nobuyuki Kambe

doi:10.1021/jp902598f

Refractive index control and rayleigh scattering properties of transparent TiO₂ nanohybrid polymer

Hendry I. Elim, Bin Cai, Yu Kurata, Okihiro Sugihara, Toshikuni Kaino, Tadafumi Adschiri, Ang Ling Chu, Nobuyuki Kambe

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

70 Citations (Scopus)

Abstract

The surface of TiO₂ nanoparticles (NPs) was modified by a coupling agent of 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane to render them highly compatible with organic monomer mixtures avoiding aggregation. Such TiO₂ NPs were then chemically attached with a prepolymer. The refractive index of hybrid TiO₂NPs-polymer was increased dramatically in comparison with that of pure polymer, and it can be controlled by adjusting the content of TiO₂ NPs. The Rayleigh scattering of hybrid TiO ₂ NPs-polymer was size-dependent and increased with the increase of the TiO₂ NPs content. When Rayleigh scattering of the hybrid material prepared with a milling and centrifuge process was significantly lowered, one can obtain a transparent sample, which is good for optical devices.

Original language	English
Pages (from-to)	10143-10148
Number of pages	6
Journal	Journal of Physical Chemistry B
Volume	113
Issue number	30
DOIs	https://doi.org/10.1021/jp902598f
Publication status	Published - 2009 Jul 30

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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abstract = "The surface of TiO2 nanoparticles (NPs) was modified by a coupling agent of 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane to render them highly compatible with organic monomer mixtures avoiding aggregation. Such TiO2 NPs were then chemically attached with a prepolymer. The refractive index of hybrid TiO2NPs-polymer was increased dramatically in comparison with that of pure polymer, and it can be controlled by adjusting the content of TiO2 NPs. The Rayleigh scattering of hybrid TiO 2 NPs-polymer was size-dependent and increased with the increase of the TiO2 NPs content. When Rayleigh scattering of the hybrid material prepared with a milling and centrifuge process was significantly lowered, one can obtain a transparent sample, which is good for optical devices.",

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AU - Elim, Hendry I.

AU - Cai, Bin

AU - Kurata, Yu

AU - Sugihara, Okihiro

AU - Kaino, Toshikuni

AU - Adschiri, Tadafumi

AU - Chu, Ang Ling

AU - Kambe, Nobuyuki

PY - 2009/7/30

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AB - The surface of TiO2 nanoparticles (NPs) was modified by a coupling agent of 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane to render them highly compatible with organic monomer mixtures avoiding aggregation. Such TiO2 NPs were then chemically attached with a prepolymer. The refractive index of hybrid TiO2NPs-polymer was increased dramatically in comparison with that of pure polymer, and it can be controlled by adjusting the content of TiO2 NPs. The Rayleigh scattering of hybrid TiO 2 NPs-polymer was size-dependent and increased with the increase of the TiO2 NPs content. When Rayleigh scattering of the hybrid material prepared with a milling and centrifuge process was significantly lowered, one can obtain a transparent sample, which is good for optical devices.

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Refractive index control and rayleigh scattering properties of transparent TiO₂ nanohybrid polymer

Abstract

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