Abstract
TiO2/PANI nanocomposite was prepared successfully from titanium metal turnings and aniline by means of in-situ polymerization reaction. The novel TiO2 composite with improved solar light absorptivity was evaluated for their hydrogen evolution efficiency from water. The crystallinity of the composite was evaluated by the X-ray diffraction analysis. DRS and PL studies explored the optical characteristics of the composite. 0.1 M polyaniline decorated by 0.1 g TiO2 in 1 g/L composition yielded 683.5 μ mol h−1 of hydrogen. The effect of composite loading, pH and sensitizers towards photo catalytic HER were studied. The long term activity of the composite towards photo catalytic water splitting reaction confirmed the industrial significance of the catalyst composite.
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