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author:

Wang, J. (Wang, J..) [1] | Zhang, Y. (Zhang, Y..) [2] | Wang, X. (Wang, X..) [3] | Su, W. (Su, W..) [4]

Indexed by:

Scopus

Abstract:

Rational designs of photocatalysts with high activity and stability in redox reactions have been an imperative requirement for practical applications. Herein, a hetero-structured photocatalyst, namely Mn0.25Cd0.75S/WO3, has been synthesized via an in-situ growth. This hybrid material presents a significantly improvement for hydrogen evolution and stability with respect to the Mn0.25Cd0.75S sample. These improvements can be attributed to the formation of a direct Z-scheme, and this formation has been confirmed by the photoluminescence (PL) detection of hydroxyl radicals trapping and charge flow tracking by photo-deposition of Pt and PbO2 nanoparticles. A few measurements reveal that the charge transfer mechanism of the Z-scheme leads efficiently spatial separation of photoinduced electron–hole pairs, and thus to prolong the photogenerated electron lifetime. Moreover, the as-obtained Mn0.25Cd0.75S/WO3 is also attempted for a practical reaction, which conducts photoinduced conversion from benzyl alcohol to H2 and benzaldehyde. The conversion has been attained 25.91% using this hybrid photocatalysis. © 2019 Elsevier B.V.

Keyword:

Anti-photocorrosion; Mn0.25Cd0.75S nanoparticles; Stability; WO3nanoplates; Z-scheme

Community:

  • [ 1 ] [Wang, J.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 2 ] [Zhang, Y.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 3 ] [Wang, X.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China
  • [ 4 ] [Su, W.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address:

  • [Su, W.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

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Source :

Applied Catalysis B: Environmental

ISSN: 0926-3373

Year: 2020

Volume: 268

1 9 . 5 0 3

JCR@2020

2 0 . 3 0 0

JCR@2023

ESI HC Threshold:160

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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