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Enhanced Visible Light Photocatalytic Activity of Curcumin‐Sensitized Perovskite Bi 0.5 Na 0.5 TiO 3 for Rhodamine 6G Degradation
Author(s) -
Kushwaha Himmat Singh,
Vaish Rahul
Publication year - 2015
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/ijac.12479
Subject(s) - photocatalysis , materials science , rhodamine 6g , rhodamine b , perovskite (structure) , visible spectrum , photochemistry , hydrothermal circulation , fourier transform infrared spectroscopy , curcumin , degradation (telecommunications) , catalysis , chemical engineering , chemistry , optoelectronics , organic chemistry , molecule , engineering , telecommunications , biochemistry , computer science
Curcumin‐sensitized perovskite Bi 0.5 Na 0.5 TiO 3 ( BNT ) was synthesized for visible light photocatalytic decolorization of rhodamine 6G (Rh6G). Cube‐shaped perovskite BNT was synthesized by solid‐state route, and curcumin sensitization was performed using hydrothermal method. The surface sensitization of curcumin was analyzed by UV –Vis absorption spectra and FTIR . The degradation kinetics of Rh6G over Cur‐ BNT were investigated and discussed through first‐order Langmuir–Hinshelwood kinetic model. The effect of catalyst dose on photocatalytic decolorization process was investigated. Photocatalysis was performed with different scavengers to investigate the role of active hole and radical species and photocatalytic degradation mechanism of Rh6G.