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<p>Cu<sub>2</sub>(OH)<sub>3</sub>(NO<sub>3</sub>)/few-layer graphene nanocomposites are the promising catalysts in azo dyes removal and are the research focuses. In this study, the pulsed discharge of HNO<sub>3</sub>-treated graphite strip was carried out in Cu(NO<sub>3</sub>)<sub>2</sub> solvent. The recovered samples were characterized by multiple techniques, including TEM, SEM, AFM, XRD and XPS. The corresponding characterization results show that the recovered sample features the morphology of various Cu<sub>2</sub>(OH)<sub>3</sub>(NO<sub>3</sub>) nanosheets were anchored on the surface of few-layer graphene. In the recovered sample, the matrix, few-layer graphene, are in lateral size of 8–25&#xa0;μm, thickness of 2–5 layers. The Cu<sub>2</sub>(OH)<sub>3</sub>(NO<sub>3</sub>) nanosheets is in lateral size of 2–5&#xa0;μm with thickness of 75&#xa0;nm. The formation mechanism of Cu<sub>2</sub>(OH)<sub>3</sub>(NO<sub>3</sub>)/few-layer graphene (FLG) during pulsed discharge is also discussed based on the experimental conditions and results. Our studies demonstrate an efficient and cost-effective route to produce Cu<sub>2</sub>(OH)<sub>3</sub>(NO<sub>3</sub>)/FLG nanocomposite materials.</p>

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One-step synthesis of Cu2(OH)3(NO3)/few-layer graphene nanocomposites through pulsed discharge of graphite strips in Cu(NO3)2 solvent

  • 期刊论文

  • 发表日期：

    2025年8月20日

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  • Boran Zhou,
  • Kaiyuan Liu,
  • Wenxing Chen,
  • Xudong Liu,
  • Zhengbo Chen,
  • Xin Gao,
  • Pengwan Chen

摘要

Cu2(OH)3(NO3)/few-layer graphene nanocomposites are the promising catalysts in azo dyes removal and are the research focuses. In this study, the pulsed discharge of HNO3-treated graphite strip was carried out in Cu(NO3)2 solvent. The recovered samples were characterized by multiple techniques, including TEM, SEM, AFM, XRD and XPS. The corresponding characterization results show that the recovered sample features the morphology of various Cu2(OH)3(NO3) nanosheets were anchored on the surface of few-layer graphene. In the recovered sample, the matrix, few-layer graphene, are in lateral size of 8–25 μm, thickness of 2–5 layers. The Cu2(OH)3(NO3) nanosheets is in lateral size of 2–5 μm with thickness of 75 nm. The formation mechanism of Cu2(OH)3(NO3)/few-layer graphene (FLG) during pulsed discharge is also discussed based on the experimental conditions and results. Our studies demonstrate an efficient and cost-effective route to produce Cu2(OH)3(NO3)/FLG nanocomposite materials.