Covalent-bonding to irreducible SiO2 leads to high-loading and atomically dispersed metal catalysts
文献类型：期刊论文
| 作者 | Zhu, Yulei3,4; Zhu, Yifeng1,4; Kong, Xiao5; Yin, Junqing4; You, Rui2; Zhang, Bin4; Zheng, Hongyan3; Wen, Xiaodong3,4; Li, Yong-Wang3,4 |
| 刊名 | JOURNAL OF CATALYSIS
 |
| 出版日期 | 2017-09-01 |
| 卷号 | 353页码:315-324 |
| 关键词 | Heterogeneous catalysis Hydrogenation Metal oxides Covalent bonding Silica SiO2 |
| 英文摘要 | Being a suitable way for achieving the maximum efficiency of atoms, the atomically dispersed metals are playing an ever-increasingly important role in bridging heterogeneous and homogeneous catalysis. It is extremely challenging for dispersing metals in atomic-scales as the applicable high-loading catalysts for industry. The reducible and defective supports or metal surfaces are commonly chosen for anchoring the metals. We here report that atomically-dispersed but high-loading (15 wt%) metals were achieved by covalent-bonding to irreducible SiO2 (though silanol groups) which is realized by a simple urea hydrolysis assistant hydrothermal-deposition method. The Cu-O-Si bonding tailors the structural and electronic states of catalyst by maximum of atom efficiency and tuning electronic effects. The intrinsic performance of C=O hydrogenation was thus boosted by one- to two- orders-of-magnitude in comparison with impregnated and precipitated catalysts. The choices of metals include Cu, Zn, Ni, Co and Mn, showing potentials for a category of applied materials. (C) 2017 Elsevier Inc. All rights reserved. |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| 类目[WOS] | Chemistry, Physical ; Engineering, Chemical |
| 研究领域[WOS] | Chemistry ; Engineering |
| 关键词[WOS] | ALPHA-QUARTZ SURFACE ; GENERATION VIBRATIONAL SPECTROSCOPY ; 1ST-PRINCIPLES MOLECULAR-DYNAMICS ; SINGLE-ATOM CATALYSTS ; AUGMENTED-WAVE METHOD ; WATER-GAS SHIFT ; CO OXIDATION ; CU CATALYSTS ; ULTRASOFT PSEUDOPOTENTIALS ; HETEROGENEOUS CATALYSIS |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000410468300035 |
| 源URL | [http://cas-ir.dicp.ac.cn/handle/321008/149920]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 作者单位 | 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China 2.Univ Sci & Technol China, Dept Chem Phys, Hefei 230026, Anhui, Peoples R China 3.Synfuels China Co Ltd, Beijing 101407, Peoples R China 4.Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Shanxi, Peoples R China 5.Nanjing Agr Univ, Coll Engn, Nanjing 210031, Jiangsu, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Yulei,Zhu, Yifeng,Kong, Xiao,et al. Covalent-bonding to irreducible SiO2 leads to high-loading and atomically dispersed metal catalysts[J]. JOURNAL OF CATALYSIS,2017,353:315-324. |
| APA | Zhu, Yulei.,Zhu, Yifeng.,Kong, Xiao.,Yin, Junqing.,You, Rui.,...&Li, Yong-Wang.(2017).Covalent-bonding to irreducible SiO2 leads to high-loading and atomically dispersed metal catalysts.JOURNAL OF CATALYSIS,353,315-324. |
| MLA | Zhu, Yulei,et al."Covalent-bonding to irreducible SiO2 leads to high-loading and atomically dispersed metal catalysts".JOURNAL OF CATALYSIS 353(2017):315-324. |
入库方式： OAI收割
来源：大连化学物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。