Carbon nanotubes as electronic mediators combined with Bi 2 MoO 6 and g-C 3 N 4 to form Z-scheme heterojunctions to enhance visible light photocatalysis

In this paper, Z-scheme Bi MoO /CNTs/g-C N composite photocatalysts were prepared through a simple hydrothermal method. The analysis was performed by XRD, FT-IR, SEM, EDS, TEM, HRTEM, XPS, BET, UV-Vis diffuse reflectance and PL spectrums. Various analyses show that CNTs not only act as excellent cha...

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Bibliographic Details
Published inNanotechnology Vol. 33; no. 11
Main Authors Wu, Hao, Meng, Fanming, Liu, Xingbing, Yu, Bo
Format Journal Article
LanguageEnglish
Published England 22.12.2021
Subjects
g-C3N4
CNTs
Bi2MoO6
Z-type charge transfer mechanism
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Summary:In this paper, Z-scheme Bi MoO /CNTs/g-C N composite photocatalysts were prepared through a simple hydrothermal method. The analysis was performed by XRD, FT-IR, SEM, EDS, TEM, HRTEM, XPS, BET, UV-Vis diffuse reflectance and PL spectrums. Various analyses show that CNTs not only act as excellent charge transfer bridges, but also enable a formation of the Z-scheme of charge transfer mechanism between Bi MoO and g-C N . This process not only effectively isolates electrons and holes, but also prolongs electron-hole pair lifetimes, resulting in a substantial improvement in the photocatalytic performance of the composite photocatalyst. Best photocatalytic degradation performance was shown by Bi MoO /CNTs/g-C N composite photocatalyst under simulated sunlight, while the composite photocatalyst still maintained extremely high degradation performance in cycling tests.
ISSN:1361-6528