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Visible light activated photocatalytic degradation of mono-, di- and tri - nitrophenols using Cu2O | Abstract

Der Pharma Chemica
Journal for Medicinal Chemistry, Pharmaceutical Chemistry, Pharmaceutical Sciences and Computational Chemistry

ISSN: 0975-413X

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Abstract

Visible light activated photocatalytic degradation of mono-, di- and tri - nitrophenols using Cu2O

Author(s): T. Narasimha Murthy, P. Suresh, A. M. Umabala and A. V. Prasada Rao

Photo catalytic degradation of 4-NP and 2-NP was also achieved over Cu2O under visible light irradiation for 180 and 150 min respectively in presence of external oxidant H2O2. Photodegradation of 2, 4-dinitrophenol and 2, 4, 6- trinitrophenol occurred in 4 hrs and 5 hrs respectively. Presence of H2O2 was found to enhance the rate of degradation in terms of a synergetic effect to generate more ??OH free radicals that help degrade the organic pollutants rapidly. Ease of photocatalytic degradation in the nitrophenols studied has been found to vary in the order 4-nitrophenol > 2-nitrophenol > di-nitrophenol > tri-nitrophenol


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