Facile synthesis of GO and g-CN nanosheets encapsulated magnetite ternary nanocomposite for superior photocatalytic degradation of phenol.

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ID: 14599
2019
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Ranked #127 of 145 articles by views in Environmental pollution (Barking, Essex : 1987)

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Abstract
In this study, the synthesis of FeO@GO@g-CN ternary nanocomposite for enhanced photocatalytic degradation of phenol has been investigated. The surface modification of FeO was performed through layer-by-layer electrostatic deposition meanwhile the heterojunction structure of ternary nanocomposite was obtained through sonicated assisted hydrothermal method. The photocatalysts were characterized for their crystallinity, surface morphology, chemical functionalities, and band gap energy. The FeO@GO@g-CN ternary nanocomposite achieved phenol degradation of ∼97%, which was significantly higher than that of FeO@GO (∼75%) and FeO (∼62%). The enhanced photoactivity was due to the efficient charge carrier separation and desired band structure. The photocatalytic performance was further enhanced with the addition of hydrogen peroxide, in which phenol degradation up to 100% was achieved in 2 h irradiation time. The findings revealed that operating parameters have significant influences on the photocatalytic activities. It was found that lower phenol concentration promoted higher activity. In this study, 0.3 g of FeO@GO@g-CN was found to be the optimized photocatalyst for phenol degradation. At the optimized condition, the reaction rate constant was reported as 6.96 × 10 min. The ternary photocatalyst showed excellent recyclability in three consecutive cycles, which confirmed the stability of this ternary nanocomposite for degradation applications.
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rehman2019facileenvironmental Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Rehman, Ghani Ur;Tahir, Muhammad;Goh, P S;Ismail, A F;Samavati, Alireza;Zulhairun, A K;Rezaei-DashtArzhandi, ;
Journal Environmental pollution (Barking, Essex : 1987)
Year 2019
DOI
S0269-7491(19)30733-X
URL
Keywords Keywords not found

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