Monolayer CoMoS Anchored on Hydrophobic Reduced Graphene Nanoribbons for Efficient HydrodeoxygenationClick to copy article linkArticle link copied!
- Cen ZhangCen ZhangDepartment of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, ChinaMore by Cen Zhang
- Tianyi LiuTianyi LiuDepartment of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, ChinaMore by Tianyi Liu
- Siyan ZouSiyan ZouDepartment of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, ChinaMore by Siyan Zou
- Xinyi LiuXinyi LiuDalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, ChinaMore by Xinyi Liu
- Binbin Zhou*Binbin Zhou*Email: [email protected]. Phone: + 86 730 8640122. Fax: +86 730 8640122.Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, ChinaMore by Binbin Zhou
- Jiali Mu*Jiali Mu*Email: [email protected]Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning 116023, ChinaMore by Jiali Mu
- Jing Cao*Jing Cao*Email: [email protected]Department of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, Yueyang, Hunan 414006, ChinaMore by Jing Cao
Abstract
Improving both the activity and stability is of great importance for MoS2-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 MoS2, 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 H2O 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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