Applied Catalysis2022，Vol.30412.DOI:10.1016/j.apcatb.2021.120969

Plasmon Ag/Na-doped defective graphite carbon nitride/NiFe layered double hydroxides Z-scheme heterojunctions toward optimized photothermal-photocatalytic-Fenton performance

Kong, Weifeng Xing, Zipeng Fang, Bin Cui, Yongqian Li, Zhenzi Zhou, Wei
Applied Catalysis2022，Vol.30412.DOI:10.1016/j.apcatb.2021.120969
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  • NSTL
  • Elsevier

Plasmon Ag/Na-doped defective graphite carbon nitride/NiFe layered double hydroxides Z-scheme heterojunctions toward optimized photothermal-photocatalytic-Fenton performance

Kong, Weifeng 1Xing, Zipeng 1Fang, Bin 1Cui, Yongqian 1Li, Zhenzi 2Zhou, Wei1
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作者信息

  • 1. Heilongjiang Univ
  • 2. Qilu Univ Technol
  • 折叠

Abstract

Three-dimensional flower-shaped plasmon Ag/Na-doped defective graphitic carbon nitride/NiFe layered double hydroxides (Ag/NaCNN/NiFe-LDH) Z-scheme heterojunction are fabricated by hydrothermal and calcination methods. The flower-shaped structure of NiFe-LDH enhances the multiple reflection and scattering of light, providing enough active sites to improve the utilization of sunlight. The introduction of Na-doped defects narrows the band gap of graphitic carbon nitride and accelerated the charge separation. Due to the surface plasmon resonance effect of Ag, Ag/NaCNN/NiFe-LDH shows excellent photothermal effect. The synergistic effect of photothermal-photocatalytic-Fenton reaction and Z-scheme heterojunction increased the hydrogen production of Ag/NaCNN/NiFe-LDH by 0.543 mmol h(-1), which was 10 times higher than that of NiFe-LDH. The degradation efficiency of p-nitrophenol and bisphenol A under visible light was 99%. This simple strategy and reasonable design provide new ideas for the construction of Z-scheme heterojunction photocatalysts.

Key words

Photocatalysis/G-C3N4/Z-scheme heterojunction/Layered double hydroxide/Photothermal effect

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出版年

2022
Applied Catalysis

Applied Catalysis

ISSN：0926-3373
被引量66
参考文献量49
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