Montmorillonite-assisted synthesis of cobalt-nitrogen-doped carbon nanosheets for high-performance selective oxidation of alkyl aromatics
文献类型：期刊论文
| 作者 | Jie, SS; Lin, X; Chen, QZ; Zhu, RL; Zhang, LY; Zhang, BS; Liu, ZG |
| 刊名 | APPLIED SURFACE SCIENCE
 |
| 出版日期 | 2018-10-31 |
| 卷号 | 456页码:951-958 |
| 关键词 | Two-dimensional nanomaterials Cobalt porphyrin Co-N-C Selective oxidation |
| ISSN号 | 0169-4332 |
| DOI | 10.1016/j.apsusc.2018.06.109 |
| 英文摘要 | Two-dimensional carbon nanomaterials have been widely applied in the field of catalysis due to their unique structure and properties. In this work, the cobalt and nitrogen co-doped two-dimensional carbon nanomaterials with graphene-like and porous structure were synthesized via template method. Here, rhodamine B acted as the carbon source was intercalated into the CTAB-pillared montmorillonite. And the cobalt porphyrin was used as the cobalt and nitrogen precursors that made a great contribution to generate highly dispersed active sites due to their unique Co-N-4 structure. The characterization techniques such as HAADF-STEM, XPS, XRD, and Nitrogen adsorption-desorption were used to investigate the surface composites and structures of the Co-N-C catalysts. In addition, the as-prepared catalysts with relatively high specific surface area, large pore volume, and well-dispersed active sites were further evaluated for the selective oxidation of ethylbenzene using tert-butyl hydroperoxide as oxidant. The Co-N/C-s-H catalyst synthesized via impregnation method presented an ethylbenzene conversion of 96% and selectivity of 99% to acetophenone, which was the highest catalytic activity among the investigated catalysts. The superior catalytic performance could be ascribed to the unique two-dimensional porous graphene-like structure, highly dispersed active sites, and the synergistic effect between the Co-O-x and Co-N-x. |
| 学科主题 | Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter |
| 语种 | 英语 |
| WOS记录号 | WOS:000441281300110 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/79881]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 作者单位 | 1.Hunan Univ, Sch Chem & Chem Engn, State Key Lab Chemo Biosensing & Chemometr, Changsha 410082, Hunan, Peoples R China 2.Chinese Acad Sci, Guangzhou Inst Geochem, Guangzhou 510640, Peoples R China 3.Chinese Acad Sci, Shenyang Natl Lab Mat Sci Inst Met Res, Shenyang 110016, Liaoning, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jie, SS,Lin, X,Chen, QZ,et al. Montmorillonite-assisted synthesis of cobalt-nitrogen-doped carbon nanosheets for high-performance selective oxidation of alkyl aromatics[J]. APPLIED SURFACE SCIENCE,2018,456:951-958. |
| APA | Jie, SS.,Lin, X.,Chen, QZ.,Zhu, RL.,Zhang, LY.,...&Liu, ZG.(2018).Montmorillonite-assisted synthesis of cobalt-nitrogen-doped carbon nanosheets for high-performance selective oxidation of alkyl aromatics.APPLIED SURFACE SCIENCE,456,951-958. |
| MLA | Jie, SS,et al."Montmorillonite-assisted synthesis of cobalt-nitrogen-doped carbon nanosheets for high-performance selective oxidation of alkyl aromatics".APPLIED SURFACE SCIENCE 456(2018):951-958. |
入库方式： OAI收割
来源：金属研究所
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