The 2D Porous g-C₃N₄/CdS Heterostructural Nanocomposites with Enhanced Visible-Light-Driven Photocatalytic Activity.

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ID: 14611
2020
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Abstract
In this study, the 2D porous graphitic carbon nitride (g-C₃N₄) nanosheets were successfully fabricated via a facile thermal decomposition polymerization method without any help of templates, and then novel porous g-C₃N₄/CdS complex catalysts of different mass fractions were is situ synthesized by a simple solvothermal process. The results of photocatalytic experiments demonstrate that the coupling g-C₃N₄/CdS cocatalysts exhibit significant enhanced visible-light-driven photocatalytic activity for the decolorization of methyl orange (MO) compared with individual porous g-C₃N₄ and CdS. In particular, an optimal porous g-C₃N₄ content in the hybridized composite has been determined to be 70 wt.%, corresponding to pseudo-first-order rate constant of 0.046 min, which is 7 and 11 times faster than that of pure porous g-C₃N₄ and CdS, respectively. Photoluminescence (PL) spectroscopy measurements clearly confirmed that the recombination of photoproduced electrons and holes in g-C₃N₄/CdS composites was efficiently inhibited due to the formation of heterojunctions. Furthermore, the possible mechanism of enhanced photocatalytic activity and photostability of prous g-C₃N₄/CdS are also tentatively proposed.
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zhao2020thejournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Zhao, Yan-Fei;Sun, Yu-Ping;Yin, Xiu;Chen, Ran;Yin, Guang-Chao;Sun, Mei-Ling;Jia, Fu-Chao;Liu, Bo;
Journal Journal of nanoscience and nanotechnology
Year 2020
DOI
10.1166/jnn.2020.16984
URL
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