| Cobalt nanoparticles encapsulated in porous nitrogen-doped carbon: Oxygen activation and efficient catalytic removal of formaldehyde at room temperature | |
| Zhu, Dandan1,2; Huang, Yu2,3; Cao, Jun-ji2,3; Lee, Shun Cheng4; Chen, Meijuan5; Shen, Zhenxing1,2 | |
| 通讯作者 | Huang, Yu(huangyu@ieecas.cn) ; Shen, Zhenxing(zxshen@mail.xjtu.edu.cn) |
| 2019-12-05 | |
| 发表期刊 | APPLIED CATALYSIS B-ENVIRONMENTAL
 |
| ISSN | 0926-3373 |
| 卷号 | 258页码:8 |
| 摘要 | The removal of carcinogenic formaldehyde (HCHO) to improve indoor air quality has attracted significant attention. Designing efficient catalysts for practical HCHO oxidation without use of noble metals remains challenging. In this study, metallic Co nanoparticles were encapsulated with porous nitrogen-doped carbon (Co@NC). This catalyst achieved HCHO elimination at room temperature for the first time. The as-prepared Co@NC catalyst exhibited superior catalytic activity (> 80%) for HCHO removal compared with the oxidized one, and possessed the excellent stability. Theoretical calculations showed that the metallic Co in Co@NC is the active site for O-2 dissociation, which enhanced the catalytic activity compared to traditional transition-metal oxides, such as Co3O4 with the high-valence state Co3+ providing active sites. The formate species was the main intermediate, which was further oxidized to CO2 as the final product. Hence, an efficient non-noble-metal catalyst for room-temperature HCHO oxidation was developed. |
| 关键词 | Metallic Co nanoparticles Porous nitrogen-doped carbon HCHO removal Catalytic oxidation |
| DOI | 10.1016/j.apcatb.2019.117981 |
| 关键词[WOS] | INDOOR FORMALDEHYDE ; MANGANESE OXIDE ; HCHO OXIDATION ; PERFORMANCE ; PT/TIO2 ; SURFACE ; MNO2 ; MECHANISM ; NANORODS |
| 收录类别 | SCI ; SCI |
| 语种 | 英语 |
| 资助项目 | National Key Research and Development Program of China[2016YFA0203000] ; National Key Research and Development Program of China[2017YFC0212200] ; National Science Foundation of China[41573138] ; National Science Foundation of China[51878644] ; Key Research and Development Program of Shaanxi Province[2018ZDCXL-SF-02-04] ; Hundred Talent Program of the Chinese Academy of Sciences |
| WOS研究方向 | Chemistry ; Engineering |
| 项目资助者 | National Key Research and Development Program of China ; National Science Foundation of China ; Key Research and Development Program of Shaanxi Province ; Hundred Talent Program of the Chinese Academy of Sciences |
| WOS类目 | Chemistry, Physical ; Engineering, Environmental ; Engineering, Chemical |
| WOS记录号 | WOS:000487570000031 |
| 出版者 | ELSEVIER |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ieecas.cn/handle/361006/13343 |
| 专题 | 粉尘与环境研究室 第四纪科学与全球变化卓越创新中心 |
| 通讯作者 | Huang, Yu; Shen, Zhenxing |
| 作者单位 | 1.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Shaanxi, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian 710049, Shaanxi, Peoples R China 3.CAS Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Shaanxi, Peoples R China 4.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Peoples R China 5.Xi An Jiao Tong Univ, Sch Human Settlements & Civil Engn, Xian 710049, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Dandan,Huang, Yu,Cao, Jun-ji,et al. Cobalt nanoparticles encapsulated in porous nitrogen-doped carbon: Oxygen activation and efficient catalytic removal of formaldehyde at room temperature[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2019,258:8. |
| APA | Zhu, Dandan,Huang, Yu,Cao, Jun-ji,Lee, Shun Cheng,Chen, Meijuan,&Shen, Zhenxing.(2019).Cobalt nanoparticles encapsulated in porous nitrogen-doped carbon: Oxygen activation and efficient catalytic removal of formaldehyde at room temperature.APPLIED CATALYSIS B-ENVIRONMENTAL,258,8. |
| MLA | Zhu, Dandan,et al."Cobalt nanoparticles encapsulated in porous nitrogen-doped carbon: Oxygen activation and efficient catalytic removal of formaldehyde at room temperature".APPLIED CATALYSIS B-ENVIRONMENTAL 258(2019):8. |
| 条目包含的文件 | 条目无相关文件。 | |||||
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