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Preparation and characterisation of TiO2 (anatase) supported on TiO2 (rutile) catalysts employed for 4-nitrophenol photodegradation in aqueous medium and comparison with TiO2 (anatase) supported on Al2O3
<sup>29</sup>Si nuclear-magnetic-resonance and vibrational spectroscopy studies of SiO<sub>2</sub>–TiO<sub>2</sub> powders prepared by the sol-gel process
Characterization of methyl orange and its photocatalytic degradation products by HPLC/UV–VIS diode array and atmospheric pressure ionization quadrupole ion trap mass spectrometry
Role of oxygen vacancy in the plasma-treated TiO2 photocatalyst with visible light activity for NO removal
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