null检测 | ZetaPlus Zeta电位测量应用案例-12-美国布鲁克海文仪器公司

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Titanate nanotube films are fabricated on F-doped SnO2-coated glass substrates via an electrophoretic deposition method using hydrothermally prepared titanate nanotubes as precursors. The effects of calcination temperature on the microstructures and photoactivity of as-prepared titanate nanotube films are investigated and discussed. The results indicate that the intercalated sodium ions (Na+) in the as-prepared titanate nanotubes are easily removed during the electrophoretic deposition. The phase transformation of titanate to anatase and diffusion of Na+ ions from glass substrates into films occur at 400?°C. With increasing calcination temperature, the crystallization of anatase enhances and sodium content in the films increases. At 500?°C, the tubular structure still holds and the films show the highest photocatalytic activity probably due to their good crystallization, large specific surface areas and tubular structures.

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