Acetylene black quantum dots as a bridge for few-layer g-C3N4/MoS2 nanosheet architecture: 0D–2D heterojunction as an efficient visible-light-driven photocatalyst

  • Qian Wang
  • Changzhao ChenEmail author
  • Shiwang Zhu
  • Xiao Ni
  • Zhe Li


Great progress has been made based on photocatalytic theory research in the past few years. There is, however, still a long way to go to popularize the application of photocatalytic materials. Here, we introduce a simple synthetic 0D–2D (D: dimensional) heterogeneous material with more efficient photocatalytic degradation. We construct acetylene black (AB) as a bridge to connect a graphitic carbon nitride (g-C3N4) nano-layer and two-dimensional MoS2 sandwich structure based on a simple hydrothermal synthesis and ultrasonic chemical loading. Loading 1% AB onto 2D g-C3N4/(x%)MoS2 not only accelerates the transfer of charge, but also reduces electron–hole recombination, which increases the photocatalytic efficiency per unit time. Studies have shown that the degradation rate of the ternary g-C3N4/AB/3.1%MoS2 catalytic materials can reach 94.29%, which is obviously higher than that of the pure g-C3N4 (80%) or MoS2 (51.74%) in degradation of methyl blue within 130 min. In this work, the ternary heterogeneous catalyst realizes the complementary characteristics between materials, broadens the photocatalytic properties and accelerates the degradation rate of pollutants, and provides a feasible solution to environmental friendliness.


QDs/g-C3N4/MoS2 Graphitic carbon nitride Photocatalytic degradation Ternary photocatalyst 



This work is partly sponsored by the National Natural Science Foundation of China (No. 11404005).


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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  • Qian Wang
    • 1
  • Changzhao Chen
    • 1
    Email author
  • Shiwang Zhu
    • 1
  • Xiao Ni
    • 1
  • Zhe Li
    • 2
  1. 1.School of Mechanics and Optoelectronics PhysicsAnhui University of Science and TechnologyHuainanChina
  2. 2.Center for Magnetic Materials and DevicesQujing Normal UniversityQujingChina

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