Effect of Heating on the Surface Roughness and Pore Connectivity of Tio_2: Fractal and Percolation Analysis

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概要

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• Effects of calcination temperature on the surface irregularity and pore connectivity of sol-gel processes derived TiO2 have been investigated based on the fractal and percolation analysis of their nitrogen isotherms, respectively. Fractal analysis suggested that the surface rugosity of TiO2 may be described as self-affine instead of self-similar and that thermal effects may induce a slight increase on the surface roughness despite a large reduction of BET surface area and pore volume. On the other hand, percolation analysis reported that the mean coordination number of pore network of TiO2 samples covered the range of 2.1-2.7 and thermal effects may slightly decrease this value.

• 社団法人 化学工学会の論文

著者

• Lee Chung-kung

  Department Of Environmental Engineering Van-nung Institute Of Technology

関連論文

• Effect of Heating on the Surface Roughness and Pore Connectivity of Tio_2: Fractal and Percolation Analysis

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