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<p>Molybdenum disulfide (MoS₂) with a mixed 1T/2H phase was derived from metal–organic frameworks (MOFs) using molybdenum trioxide, sodium molybdate, or ammonium molybdate as molybdenum sources, separately. The effects of different molybdenum sources on its electrochemical performance were investigated. Compared to traditionally synthesized MoS₂, the MOF-derived MoS₂ from ammonium molybdate exhibits significantly enhanced charge transfer capability (Rct of 80.3 Ω) and specific capacitance (274 F/g at 1 A/g). The electrochemical behavior of MOF-derived MoS₂ consists of a diffusion-controlled Faraday process and a non-diffusive capacitance process. The comparison of the synthesized MoS₂ demonstrates that the molybdenum source critically influences the electrochemical properties of MoS₂. These findings provide valuable insights for developing high-performance electrode materials, highlighting the broad application potential of MOF-derived MoS₂ in energy storage systems.</p>

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MOF-derived 1T/2H MoS2 with different molybdenum sources

  • 期刊论文

  • 发表日期：

    2025年7月16日

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  • Tianqi Wang,
  • Yun Lei,
  • Zehui Tang,
  • Kaiwei Liu,
  • Cuiru Zhang,
  • Yaonan Lei

摘要

Molybdenum disulfide (MoS₂) with a mixed 1T/2H phase was derived from metal–organic frameworks (MOFs) using molybdenum trioxide, sodium molybdate, or ammonium molybdate as molybdenum sources, separately. The effects of different molybdenum sources on its electrochemical performance were investigated. Compared to traditionally synthesized MoS₂, the MOF-derived MoS₂ from ammonium molybdate exhibits significantly enhanced charge transfer capability (Rct of 80.3 Ω) and specific capacitance (274 F/g at 1 A/g). The electrochemical behavior of MOF-derived MoS₂ consists of a diffusion-controlled Faraday process and a non-diffusive capacitance process. The comparison of the synthesized MoS₂ demonstrates that the molybdenum source critically influences the electrochemical properties of MoS₂. These findings provide valuable insights for developing high-performance electrode materials, highlighting the broad application potential of MOF-derived MoS₂ in energy storage systems.