2018
DOI: 10.1039/c7nj03390g
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Visible light-assisted photocatalytic mineralization of diuron pesticide using novel type II CuS/Bi2W2O9 heterojunctions with a hierarchical microspherical structure

Abstract: A hierarchical CuS/Bi2W2O9 heterojunction photocatalyst exhibits excellent photocatalytic activity for the degradation of diuron achieving 95% mineralization within 3 h of irradiation.

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Cited by 55 publications
(52 citation statements)
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“…Cheng et al synthesized rare‐earth‐substituted Bi 2 W 2 O 9 by solid‐state synthesis and studied their optical and electronic properties , . Recently, Bi 2 W 2 O 9 has been synthesized by coprecipitation, by using the Pechini method and a facile combustion‐synthesis route . The Bi 2 W 2 O 9 material has been studied as a potential candidate for luminescence, microwave dielectric, gas sensing, and photocatalytic applications .…”
Section: Introductionmentioning
confidence: 99%
“…Cheng et al synthesized rare‐earth‐substituted Bi 2 W 2 O 9 by solid‐state synthesis and studied their optical and electronic properties , . Recently, Bi 2 W 2 O 9 has been synthesized by coprecipitation, by using the Pechini method and a facile combustion‐synthesis route . The Bi 2 W 2 O 9 material has been studied as a potential candidate for luminescence, microwave dielectric, gas sensing, and photocatalytic applications .…”
Section: Introductionmentioning
confidence: 99%
“…In the W 4 f region, two broad and intense peaks centred at 35.0 and 37.1 eV with a spin‐orbit splitting of 2.1 eV are noticed. This doublet arises due to electron emission from W4f 7/2 and W4f 5/2 energy levels of W (VI) species in coordination with oxide ions (Figure c) ,. The O1s region of the heterostructure material contains a broad and asymmetric peak (Figure d).…”
Section: Resultsmentioning
confidence: 99%
“…The PL emission spectrum of pure Bi 2 W 2 O 9 displays sharp and intense bands at 435, 445, 470 and 557 nm (Figure IIa). The highly intense PL band at 470 nm is attributed to the band edge transition while the less intense bands can be due to transition from the vacancies and impurity levels ,. After formation of the heterostructure materials with Bi 2 S 3 , the intensities of these PL bands decreases significantly.…”
Section: Resultsmentioning
confidence: 99%
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