Solar Photocatalytic Oxidation of Methane to Methanol with Water over RuOx/ZnO/CeO2Nanorods - Details

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Abstract：

Due　to　the　high　stability　and　chemical　inertia　of　methane,　CH4,　its　selective　conversion　into　value-added　organic　chemicals　under　mild　conditions　has　been　widely　regarded　as　an　important　reaction　for　the　chemical　industry.　Here,　we　develop　a　RuOx　decorated　ZnO/CeO2　photocatalyst　for　the　highly　efficient　and　selective　transformation　of　CH4　into　CH3OH　under　simulated　solar　light　irradiation.　The　CH3OH　generation　rate　over　the　optimized　RuOx/ZnO/CeO2　composite　is　133.54　μmol　g-1　h-1　with　97.7%　selectivity,　which　is　20　times　higher　than　that　of　a　ZnO/CeO2　reference　system　(6.56　μmol　g-1　h-1)　which　only　exhibits　moderate　selectivity　(40.5%).　We　find　that　the　significant　boost　to　the　photocatalytic　performance　is　attributable　to　accelerated　interfacial　charge　separation　and　a　beneficial　rise　in　free　hydroxyl　radical　generation　from　water　oxidation　in　the　presence　of　RuOx　clusters.　©　2021　American　Chemical　Society.

Keyword：

Cerium compounds Chemical industry Chemical stability II-VI semiconductors Indicators (chemical) Industrial chemicals Methane Nanorods Organic chemicals Ruthenium compounds Zinc oxide

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[ 1 ] [Yu, Dan]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 2 ] [Jia, Yanyan]Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai; 200237, China
[ 3 ] [Yang, Zhou]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 4 ] [Zhang, Hongwen]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 5 ] [Zhang, Hongwen]cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, Leuven; 3001, Belgium
[ 6 ] [Zhao, Jiwu]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 7 ] [Zhao, Yibo]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 8 ] [Weng, Bo]cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, Leuven; 3001, Belgium
[ 9 ] [Dai, Wenxin]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 10 ] [Li, Zhaohui]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China
[ 11 ] [Wang, Pengzhao]National Engineering Research Centre of Chemical Fertilizer Catalyst, Fuzhou University, Fuzhou; 350002, China
[ 12 ] [Steele, Julian A.]cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, Leuven; 3001, Belgium
[ 13 ] [Roeffaers, Maarten B. J.]cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, Leuven; 3001, Belgium
[ 14 ] [Dai, Sheng]Key Laboratory for Advanced Materials and Feringa Nobel Prize Scientist Joint Research Center, Institute of Fine Chemicals, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai; 200237, China
[ 15 ] [Huang, Haowei]cMACS, Department of Microbial and Molecular Systems, KU Leuven, Celestijnenlaan 200F, Leuven; 3001, Belgium
[ 16 ] [Long, Jinlin]State Key Lab of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350116, China

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Source ：

ACS Sustainable Chemistry and Engineering

Year： 2022

Issue： 1

Volume： 10

Page： 16-22

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count： 34

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 0

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