Highly efficient hydrodesulfurization driven by an in-situ reconstruction of ammonium/amine intercalated MoS2 catalysts

Yan, Tianlan; Jia, Yingshuai; Hou, Kaige; Gui, Zhuxin; Zhang, Wenbiao; Du, Ke; Pan, Di; Li, He; Shi, Yanghao; Qi, Lu; Gao, Qingsheng; Zhang, Yahong; Tang, Yi

doi:10.1016/j.isci.2024.109824

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“…This is because the intercalation of ammonium expands the interlayer spacing of MoS 2 during synthesis, thus favoring the exposure of more active sites. 36,37 In contrast, sodium borohydride has a lower reducing ability. The layer spacing does not change and remained at 0.64 nm.…”

Section: Resultsmentioning

confidence: 99%

Enhancing CO₂ hydrogenation to methanol via the synergistic effect of MoS₂ interlayer spacing and sulfur vacancies

Qin,

Gao,

Han

et al. 2024

J. Mater. Chem. A

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Section: Resultsmentioning

confidence: 99%

Enhancing CO₂ hydrogenation to methanol via the synergistic effect of MoS₂ interlayer spacing and sulfur vacancies

Qin,

Gao,

Han

et al. 2024

J. Mater. Chem. A

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Monolayer CoMoS Anchored on Hydrophobic Reduced Graphene Nanoribbons for Efficient Hydrodeoxygenation

Zhang,

Liu,

Zou

et al. 2024

ACS Sustainable Chem. Eng.

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Improving both the activity and stability is of great importance for MoS 2 -based catalysts in the hydrodeoxygenation (HDO) reaction. Herein, we report the construction of monolayer CoMoS anchored on hydrophobic-reduced graphene nanoribbons (ML-CoMoS/rGNRs) which exhibited excellent activity and stability in the HDO of 4-methylphenol. The superior HDO activity was attributed to the single layer structure of MoS 2 , which allows the good exposure of abundant edge sites for accommodating Co promoters to form the Co−Mo−S active phase. Besides, the hydrophobicity of rGNRs enables the fast removal of H 2 O during the HDO reaction, which alleviates the sulfur loss and endows the excellent stability of supported CoMoS monolayers. Consequently, ML-CoMoS/rGNRs afforded 97.3% conversion and 98.4% toluene selectivity at 220 °C for at least five reaction cycles. This work provides novel insights for designing highly active and stable metal sulfide catalysts for the application in the HDO reaction.

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Highly efficient hydrodesulfurization driven by an in-situ reconstruction of ammonium/amine intercalated MoS2 catalysts

Cited by 2 publications

References 60 publications

Enhancing CO₂ hydrogenation to methanol via the synergistic effect of MoS₂ interlayer spacing and sulfur vacancies

Enhancing CO₂ hydrogenation to methanol via the synergistic effect of MoS₂ interlayer spacing and sulfur vacancies

Monolayer CoMoS Anchored on Hydrophobic Reduced Graphene Nanoribbons for Efficient Hydrodeoxygenation

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Highly efficient hydrodesulfurization driven by an in-situ reconstruction of ammonium/amine intercalated MoS2 catalysts

Cited by 2 publications

References 60 publications

Enhancing CO2 hydrogenation to methanol via the synergistic effect of MoS2 interlayer spacing and sulfur vacancies

Enhancing CO2 hydrogenation to methanol via the synergistic effect of MoS2 interlayer spacing and sulfur vacancies

Monolayer CoMoS Anchored on Hydrophobic Reduced Graphene Nanoribbons for Efficient Hydrodeoxygenation

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Product

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Enhancing CO₂ hydrogenation to methanol via the synergistic effect of MoS₂ interlayer spacing and sulfur vacancies

Enhancing CO₂ hydrogenation to methanol via the synergistic effect of MoS₂ interlayer spacing and sulfur vacancies