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Alumina-Supported CoFe Alloy Catalysts Derived from Layered-Double-Hydroxide Nanosheets for Efficient Photothermal CO2 Hydrogenation to Hydrocarbons
Chen, Guangbo1,2,3,4; Gao, Rui5,6; Zhao, Yufei1; Li, Zhenhua1,2; Waterhouse, Geoffrey I. N.7; Shi, Run1,8; Zhao, Jiaqing1,2; Zhang, Mengtao9; Shang, Lu1; Sheng, Guiyang10; Zhang, Xiangping10; Wen, Xiaodong5,6; Wu, Li-Zhu1; Tung, Chen-Ho1; Zhang, Tierui1,8

A series of novel CoFe-based catalysts are successfully fabricated by hydrogen reduction of CoFeAl layered-double-hydroxide (LDH) nanosheets at 300-700 degrees C. The chemical composition and morphology of the reaction products (denoted herein as CoFe-x) are highly dependent on the reduction temperature (x). CO2 hydrogenation experiments are conducted on the CoFe-x catalysts under UV-vis excitation. With increasing LDH-nanosheet reduction temperature, the CoFe-x catalysts show a progressive selectivity shift from CO to CH4, and eventually to high-value hydrocarbons (C2+). CoFe-650 shows remarkable selectivity toward hydrocarbons (60% CH4, 35% C2+). X-ray absorption fine structure, high-resolution transmission electron microscopy, Mossbauer spectroscopy, and density functional theory calculations demonstrate that alumina-supported CoFe-alloy nanoparticles are responsible for the high selectivity of CoFe-650 for C2+ hydrocarbons, also allowing exploitation of photothermal effects. This study demonstrates a vibrant new catalyst platform for harnessing clean, abundant solar-energy to produce valuable chemicals and fuels from CO2.

KeywordCofe Alloy Layered Double Hydroxides Photothermal Co2 Hydrogenation Solar-to-fuel Conversion Value-added Compounds
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
WOS KeywordCarbon-dioxide ; Photocatalytic Reduction ; Fuel Production ; Visible-light ; Metal-oxides ; Nanoparticles ; Conversion ; Hydrogenolysis ; Selectivity ; Stability
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationNational Key Projects for Fundamental Research and Development of China(2016YFB0600901 ; Ministry of Science and Technology of China(2014CB239402 ; National Natural Science Foundation of China(51772305 ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB17000000) ; Young Elite Scientist Sponsorship Program by CAST (YESS) ; Youth Innovation Promotion Association of the CAS ; 2017YFA0206904 ; 2013CB834505) ; 51572270 ; 2017YFA0206900) ; U1662118 ; 21401206 ; 21401207 ; 91545121 ; 21473229)
WOS IDWOS:000429097600025
Citation statistics
Cited Times:115[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China
2.Northwest Univ, Coll Chem & Mat Sci, Minist Educ, Key Lab Synthet & Nat Funct Mol Chem, Xian 710127, Shaanxi, Peoples R China
3.Tech Univ Dresden, Ctr Adv Elect Dresden Cfaed, D-01062 Dresden, Germany
4.Tech Univ Dresden, Dept Chem & Food Chem, D-01062 Dresden, Germany
5.Chinese Acad Sci, Inst Coal Chem, State key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China
6.Synfuels China, Beijing 100195, Peoples R China
7.Univ Auckland, Sch Chem Sci, Auckland 1142, New Zealand
8.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
9.Peking Univ, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
10.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Chen, Guangbo,Gao, Rui,Zhao, Yufei,et al. Alumina-Supported CoFe Alloy Catalysts Derived from Layered-Double-Hydroxide Nanosheets for Efficient Photothermal CO2 Hydrogenation to Hydrocarbons[J]. ADVANCED MATERIALS,2018,30(3).
APA Chen, Guangbo.,Gao, Rui.,Zhao, Yufei.,Li, Zhenhua.,Waterhouse, Geoffrey I. N..,...&Zhang, Tierui.(2018).Alumina-Supported CoFe Alloy Catalysts Derived from Layered-Double-Hydroxide Nanosheets for Efficient Photothermal CO2 Hydrogenation to Hydrocarbons.ADVANCED MATERIALS,30(3).
MLA Chen, Guangbo,et al."Alumina-Supported CoFe Alloy Catalysts Derived from Layered-Double-Hydroxide Nanosheets for Efficient Photothermal CO2 Hydrogenation to Hydrocarbons".ADVANCED MATERIALS 30.3(2018).
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