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题名: Direct Insight into Ethane Oxidative Dehydrogenation over Boron Nitrides
作者: Huang, Rui1;  Zhang, Bingsen1;  Wang, Jia1;  Wu, Kuang-Hsu1;  Shi, Wen1;  Zhang, Yajie1;  Liu, Yuefeng1;  Zheng, Anmin3;  Schloegl, Robert4;  Su, Dang Sheng1, 2, 4
关键词: boron ;  C-H activation ;  dehydrogenation ;  ethylene production ;  nitrides
刊名: CHEMCATCHEM
发表日期: 2017-09-08
DOI: 10.1002/cctc.201700725
卷: 9, 期:17, 页:3293-3297
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: The ultimate objective of chemical conversion is to achieve 100% selectivity from catalysis, and this is also a prodigious challenge for the conversion of light paraffins into olefins, because it involves controlled activation of highly stable aliphatic C-H bonds. Herein, we show that metal-free boron nitride (BN) nanosheets not only enable the oxidative dehydrogenation of ethane to ethylene exclusively at near 10% conversion, but they also deliver a remarkable 60% selectivity at an ethane conversion of 78% and remain stable over 400h at 575 degrees C. Our operando infrared spectroscopy and O-18 isotope tracer study explicitly demonstrates that B-O(H) active sites are formed at the edges of BN through the aid of ethane, and the dehydrogenation circle is completed over these B-O sites by the assistance of O-2.
关键词[WOS]: H BOND ACTIVATION ;  SELECTIVE OXIDATION ;  ACTIVE OXYGEN ;  N-BUTANE ;  CATALYSTS ;  PROPANE ;  ALKANES ;  NANOTUBES ;  SPECTRUM ;  OXIDE
语种: 英语
WOS记录号: WOS:000409878300004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149892
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, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Energy Res Resources Div, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Wuhan Inst Phys & Math, Natl Ctr Magnet Resonance Wuhan, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China
4.Max Planck Gesell, Fritz Haber Inst, Faradayweg 4-6, D-14195 Berlin, Germany

Recommended Citation:
Huang, Rui,Zhang, Bingsen,Wang, Jia,et al. Direct Insight into Ethane Oxidative Dehydrogenation over Boron Nitrides[J]. CHEMCATCHEM,2017,9(17):3293-3297.
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