Visible Light Activated Photocatalytic Degradation of Eosin-Y Using H2O2 Sensitised Cu2O

Author(s): T. Narasimha Murthy, U. Sujana Kumari and A. V. Prasada Rao

Photocatalytic degradation of Eosin-Y is studied using Cu2O and visible light. Complete degradation of 20 ppm Eosin-Y occurred in 90 min over 100 mg Cu2O assisted by H2O2. Addition of H2O2 is found to enhance the rate of degradation significantly. Formation of OH free radicals during irradiation is ascertained by means of photoluminescence studies making use of terephthalic acid as probe molecule.

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