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  • Silicon Nanosheets with Tunable Visible-Light Emissions
  • 조회 수: 1300, 2015-04-09 15:41:23(2015-04-09)

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    Prof. Myeong-kyu Lee’s group developed nanostructured TiO2 diffraction grating fabricated via imprinting combined with TiCl4 treatment. A thin TiO2 film spin-coated on a glass substrate was patterned by imprinting and this patterned layer was TiCl4-treated with a higher concentration than for a thicker over-coated TiO2 film. Due to the refractive index difference between the two layers, the incident light could be strongly diffracted. This method has potential applications in TiO2-based photovoltaic and photocatalysis devices.