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(a) SEM images (lateral view and top view) of nanotubes. (b) SEM images (lateral view and top view) of nanotube nanocomposite electrodeposited for .
Photocurrent density vs applied potential for the foil, the nanotube arrays, and the nanotube nanocomposite illuminated by xenon lamp. Open circuit potential of the nanotube nanocomposite: . Inset: Normalized UV-visible diffuse reflectance spectra of the nanotube arrays and the nanotube nanocomposite.
Photoconversion efficiency of nanotube nanocomposite with length as a function of measured potential (vs ). Inset: and evolution from the nanotube nanocomposite (photoanode) and Pt electrode.
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