Abstract
Abstract Nanoneedle structures composed of a porphyrin derivative combined with a tris(bipyridine)ruthenium have been conveniently fabricated on an indium tin oxide electrode via continuous silane coupling reaction that proceeds on the electrode immersed in a solution of the porphyrin derivative and tetrachlorosilane. A stable cathodic photocurrent was generated from the nanoneedles upon photoirradiation.
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