材料科学
钒酸铋
异质结
析氧
热液循环
光电流
表征(材料科学)
带隙
光催化
纳米棒
纳米结构
作者
Jing Wang,Liejin Guo,Sorachon Yoriya,Craig A. Grimes
摘要
BiVO4 thin films comprised of ordered arrays of pyramidal-shaped nanowires vertically oriented to a fluorine doped tin oxide coated glass substrate have been successfully fabricated by seed-mediated growth in an aqueous BiVO4 suspension. The effect of the growth temperature, 40 to 95 °C, pH, stirring and reaction time on the resulting BiVO4 film morphology was investigated using X-ray diffraction, scanning electron microscopy, and transmission electron microscopy with a growth mechanism proposed. We consider the effects of film morphology in application to photoelectrochemical water splitting.
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