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题名: Coordinatively Unsaturated Al3+ Sites Anchored Subnanometric Ruthenium Catalyst for Hydrogenation of Aromatics
作者: Tang, Nanfang1;  Cong, Yu1;  Shang, Qinghao1, 2;  Wu, Chuntian1;  Xu, Guoliang1;  Wang, Xiaodong1
关键词: aromatics hydrogenation ;  alumina ;  atomically dispersed catalysts ;  ruthenium ;  heterogeneous catalysis
刊名: ACS CATALYSIS
发表日期: 2017-09-01
DOI: 10.1021/acscatal.7b01816
卷: 7, 期:9, 页:5987-5991
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
英文摘要: Single metal atoms and metal clusters have attracted much attention because of their high dispersity, special electronic structures, and uniformity of active sites as heterogeneous catalysts, but it is still challenging to generate stable single atoms and clusters with high metal loadings. Supports play a crucial role in determining particle morphology and maintaining dispersion. Herein we synthesize an amorphous alumina with 29% coordinatively unsaturated pentacoordinate Al3+ (Al-penta(3+)) sites, which can anchor atomically dispersed Ru species with 1 wt % loading. Strong interactions between Ru and Al-penta(3+) centers were detected, resulting in distinct Ru geometric and electronic features. When used in benzene hydrogenation reaction, fairly high specific activity (TOF = 5180 h(-1)) were obtained. The high catalytic performance is considered closely correlated with the high utilization of special Ru active sites.
关键词[WOS]: GAS SHIFT REACTION ;  SINGLE-ATOM ;  ARENE HYDROGENATION ;  RU NANOPARTICLES ;  CO-ADSORPTION ;  BENZENE HYDROGENATION ;  ROOM-TEMPERATURE ;  CERIA CATALYSTS ;  IONIC LIQUIDS ;  SYSTEM
语种: 英语
WOS记录号: WOS:000410005700047
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/150041
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Tang, Nanfang,Cong, Yu,Shang, Qinghao,et al. Coordinatively Unsaturated Al3+ Sites Anchored Subnanometric Ruthenium Catalyst for Hydrogenation of Aromatics[J]. ACS CATALYSIS,2017,7(9):5987-5991.
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