article·2004-01-01

Preparation of Nano-sized TiO_2 Thin Film by Surface Modification of Acrylic Acid

Mao Li

Abstract

TiO2 thin film photocatalyst was prepared by the sol-gel method with acrylic acid acted as the surface modifier. The TEM images showed that the aggregation of TiO2 particles in the sol could be remarkably inhibited due to the modification of acrylic acid. The result of XRD and AFM analysis indicated that rapid grain growth of Nano- TiO2 particles could be suppressed also by the modification in thermal treatments and the transformation temperature of anatase to rutile (A→R) was extended into more high range of 800-1000℃ compared with the unmodified TiO2.
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Research context

OpenAlex topics: Water Quality Monitoring and Analysis · TiO2 Photocatalysis and Solar Cells

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