Determination of Particle Size Distribution of Nano-TiO2 Coating Film by AFM and Image Analysis

Zheng Min Li; Zhi Wei Chen; Min Tan; Ke Jing Xu; Bing Jiang

doi:10.4028/www.scientific.net/AMR.177.22

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Particle Shape Characterization of Inorganic Powders by SEM and Image Analysis
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 177Determination of Particle Size Distribution of...

Determination of Particle Size Distribution of Nano-TiO₂ Coating Film by AFM and Image Analysis

Abstract:

Nano-TiO2 coating film is one of the efficient photocatalysts. The particle size distribution of TiO2 has important influence on photocatalytic activity. A new method to determine the particle size distribution of TiO2 nano-film coated on ceramic was developed, by which the images of film acquired by Atom force microscope (AFM) were processed, and TiO2 particles contacted with others were separated and detected. The particle size distributions of two TiO2 nano-films were determined.