Preparation and Characterization of Nanosize ZrO2 Particle for Highly Refractive Index Nanocomposite Depending on Zirconium Precursor and Concentration

Jeong Min Park; Hee Seon Lee; Hyung Mi Lim

doi:10.4028/www.scientific.net/MSF.922.26

Paper Titles

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Surface Functionalization of Zirconia Nanocrystals with Silane Coupling Agent and its Dispersion Behavior in O-Phenylphenoxyethyl Acrylate
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Preparation and Characterization of Nanosize ZrO₂ Particle for Highly Refractive Index Nanocomposite Depending on Zirconium Precursor and Concentration
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HomeMaterials Science ForumMaterials Science Forum Vol. 922Preparation and Characterization of Nanosize ZrO2...

Preparation and Characterization of Nanosize ZrO₂ Particle for Highly Refractive Index Nanocomposite Depending on Zirconium Precursor and Concentration

Abstract:

The ZrO₂ nanoparticles for highly refractive index nanocomposite are synthesized according to reaction temperature, zirconium precursor concentration, and kinds of precursor such as zirconium iso-propoxide (ZIP) and zirconium n-propoxide (ZNP). At lower reaction temperature the monoclinic phase is formed, whilst higher temperature favors the tetragonal and cubic phases. As the precursor concentration increased, the particle size of ZrO₂ nanoparticle slightly increased. TEM images prove that the ZrO₂ nanoparticles are spherical and monodisperse with a diameter of about 4 nm. The synthesized ZrO₂ was modified methacryloxy propyltrimethoxy silane (MPS) for dispersibility in organic solvent. Fourier transform infrared spectroscopy (FT-IR) and thermogravimetric analysis (TGA) illustrate that MPS are chemically attached to the surface of the ZrO₂. The ZrO₂ synthesized from ZNP and ZIP dispersed in o-phenylphenoxyethyl acrylate (OPPEA) is the highly transparent and the refractive index of this nanocomposite is 1.649 and 1.670, respectively.