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Tantalum oxide (Ta 2 O 5 ) thin film photocatalysts were prepared on single crystal Si(110) substrates via sol-gel and spin coating methods. Ta 2 O 5 crystallinity was improved, and the crystal size became larger with the increase of heat-treating temperature. The interface diffusion and reaction of the film were studied by using Auger electron spectroscopy (AES) depth...
LaCoO 3 thin films with perovskite structure were prepared on Si(111) substrate successfully by using an amorphous heteronuclear complex, LaCo(DTPA).6H 2 O (DTPA, diethylenetriaminepentaacetic acid), as a precursor. X-Ray diffraction (XRD) results indicated that the crystalline sizes of LaCoO 3 films grew from 17.8 to 34.3 nm with the calcination temperature increasing from...
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