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Synergism from interfaces between Cu and crystalline ZrO2 nanosheets fabricated by acetic complex method for oxalates hydrogenation
Ding, Jian1; Liu, Yanting2,3; Zhang, Juan2; Dong, Mei2; Wang, Yaxiong1; He, Wenxiu1; Han, Xiaoxing1; Liu, Kefeng4; Jiang, Zheng5; Chen, Jiangang2
关键词Oxalate Hydrogenation Cu/zro2 Catalyst Acetic Complex Method Dielectric Constant Synergistic Effect
刊名MOLECULAR CATALYSIS
2017-09-01
DOI10.1016/j.mcat.2017.05.027
438页:93-102
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]DIMETHYL OXALATE ; ETHYLENE-GLYCOL ; DIETHYL OXALATE ; CATALYTIC PERFORMANCE ; TIO2 NANOPARTICLES ; CU/SIO2 CATALYSTS ; CU/ZRO2 CATALYSTS ; ETHANOL SYNTHESIS ; CARBOXYLIC-ACID ; OXIDE CATALYSTS
英文摘要Herein, the Cu species uniformly combining with highly crystalline ZrO2 nanosheets had been prepared by a one-pot acetic complex method. The selectivity to ethylene glycol of 98.9%, which corresponds to 99.8% conversion of diethyl oxalate was obtained over the one prepared by using acetic acid (AC) both as the complex agent and solvent. In addition, a stable performance was achieved (life span of >160 h). It also showed good performance in hydrogenation of dimethyl oxalate (95.7 h(-1) turnover frequency). Essentially, solvents with different dielectric constant employed in complexation process had a prominent influence on the structure and catalytic activity of Cu/ZrO2 catalyst via solvation. Besides, complexation process was also important since AC could be regarded as L-type ligands in a low dielectric constant solvent, forming of ion-clusters which resulted in exclusive formation of the Cu-O-Zr interface after calcination. Evidently, the surface synergistic effect held the key to the continuous hydrogenation reaction related to the activation of the carbonyl groups and the hydrogen dissociation, thus creating a synergetic nanoenvironment for the successful completion of the "multi step turning into one-step" in the series reaction. (C) 2017 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000406565200011
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149802
专题中国科学院大连化学物理研究所
作者单位1.Inner Mongolia Univ Sci & Technol, Sch Chem & Chem Engn, Baotou 014010, Inner Mongolia, Peoples R China
2.Chinese Acad Sci, Shanxi Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
4.PetroChina Co Ltd, Petrochem Res Inst, Beijing 100029, Peoples R China
5.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
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GB/T 7714
Ding, Jian,Liu, Yanting,Zhang, Juan,et al. Synergism from interfaces between Cu and crystalline ZrO2 nanosheets fabricated by acetic complex method for oxalates hydrogenation[J]. MOLECULAR CATALYSIS,2017,438:93-102.
APA Ding, Jian.,Liu, Yanting.,Zhang, Juan.,Dong, Mei.,Wang, Yaxiong.,...&Chen, Jiangang.(2017).Synergism from interfaces between Cu and crystalline ZrO2 nanosheets fabricated by acetic complex method for oxalates hydrogenation.MOLECULAR CATALYSIS,438,93-102.
MLA Ding, Jian,et al."Synergism from interfaces between Cu and crystalline ZrO2 nanosheets fabricated by acetic complex method for oxalates hydrogenation".MOLECULAR CATALYSIS 438(2017):93-102.
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