UV-shielding Performance of Panoscopically Mophology Controlled Plate-like Titanate/Calcia-doped Ceria Nanoparticle Composite

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  • Sato Chigusa
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
  • El-Toni Mohamed Ahmed
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
  • Yin Shu
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University
  • Sato Tsugio
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

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  • 板状チタン酸／カルシアドープセリアナノ粒子パノスコピック形態制御複合体の紫外線遮蔽特性
  • イタジョウ チタンサン カルシアドープ セリア ナノ リュウシ パノスコピック ケイタイ セイギョ フクゴウタイ ノ シガイセン シャヘイ トクセイ

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Abstract

Although nanoparticles of semiconductors are used as inorganic UV-shielding materials, the comfort of nanoparticles are modest because of their agglomeration. In order to fabricate UV-shielding materials with better comfort, calcia-doped ceria (Ce0.8Ca0.2O1.8) nanoparticles were coated on plate-like titanate (lepidocrocite type K0.8Li0.27Ti1.73O4), 10-20μm in diameter. Such panoscopic assembling combined nanoparticles with microparticles successfully improved the comfort of the product when wearing it on the skin without compromising the UV-shielding ability, meanwhile greatly reducing the oxidation catalytic activity, resulting in the fabrication of safe, comfort and high performance UV-shielding material.

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