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Synthesis of T i O 2− x N y / A g‐ P b M o O 4 Composite and Their Photocatalytic Activity Under Simulated Solar Light Irradiation
Author(s) -
Kim TaeHo,
Lee SooWohn,
Gyawali Gobinda,
Jo YongHyun,
Sekino Tohru
Publication year - 2014
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.12245
Subject(s) - photocatalysis , materials science , composite number , absorption edge , irradiation , nuclear chemistry , indigo carmine , band gap , visible spectrum , analytical chemistry (journal) , reaction rate constant , composite material , kinetics , catalysis , chemistry , physics , biochemistry , optoelectronics , nuclear physics , chromatography , quantum mechanics
T i O 2− x N y / A g‐ P b M o O 4 composite were synthesized by sonochemical method. The results revealed that the band‐gap energy absorption edge of T i O 2− x N y / A g‐ P b M o O 4 composite was shifted to a longer wavelength as compared to T i O 2 , T i O 2− x N y , P b M o O 4, and A g‐ P b M o O 4 . The T i O 2− x N y / A g‐ P b M o O 4 composite showed the enhanced photocatalytic activity for degradation of indigo carmine dye ( ICD ) under simulated solar light irradiation. The T i O 2− x N y / A g‐ P b M o O 4 composite exhibited the highest percentage (95.4%) of degradation of ICD and the highest reaction rate constant (0.0244 min −1 ) in 2 h. The results suggested that a good combination of A g and T i O 2− x N y nanoparticles has great influence on the photocatalytic behavior of P b M o O 4 .