Tuning the Mn Dopant To Boost the Hydrogen Evolution Performance of CoP Nanowire Arrays
文献类型：期刊论文
| 作者 | Meng, Cheng1; Wang, Zumin2; Zhang, Lijuan2; Ji, Xiaohao1; Chen, Xiaoyu1; Yu, Ranbo1,3 |
| 刊名 | INORGANIC CHEMISTRY
 |
| 出版日期 | 2022-06-27 |
| 卷号 | 61期号:25页码:9832-9839 |
| ISSN号 | 0020-1669 |
| DOI | 10.1021/acs.inorgchem.2c01436 |
| 英文摘要 | Because of its advantages such as abundant resources, low cost, simple synthesis, and high electrochemical stability, cobalt phosphide (CoP) is considered as a promising candidate for electrocatalytic hydrogen evolution reaction. Through element doping, the morphology and electronic structure of the catalyst can be tuned, resulting in both the increase of the active site number and the improvement of the intrinsic activity of each site. Herein, we designed and fabricated Mn-doped CoP nanowires with a length of 3 mu m, a diameter of 50 nm, and the pores between the grains of 10 nm. As a highly efficient electrocatalyst for alkaline hydrogen evolution, the Mn-10-doped CoP/NF (doping amount is about 10 atom %) electrode presented overpotentials of 60 mV @ g 10 mA cm(-2) and 112 mV g 100 mA cm(-2), improved by 35 and 23%, respectively, compared with CoP/NF. Characterizations indicate that Mn doping increases the electrochemical active area, reduces the impedance, and tunes the electronic structure of the material. Density functional theory calculations also revealed that an appropriate amount of Mn dopant at a suitable location can both react as an active site itself and boost the activity of the surrounding Co sites, delivering favorable H* adsorption and rapid reaction kinetics. This result may not only promote the development of hydrogen evolution reaction catalysts but also encourage explorations of the relationship between the property and fine doping structure. |
| WOS关键词 | DOPED CARBON ; EFFICIENT ; ELECTROCATALYST ; CATALYSTS ; CLUSTERS ; OXYGEN ; ACID ; RU ; PH ; NI |
| 资助项目 | National Natural Science Foundation of China[51932001] ; National Natural Science Foundation of China[51872024] ; National Natural Science Foundation of China[21971245] ; National Key Research and Development Program of China[2018YFA0703503] |
| WOS研究方向 | Chemistry |
| 语种 | 英语 |
| 出版者 | AMER CHEMICAL SOC |
| WOS记录号 | WOS:000819503700001 |
| 资助机构 | National Natural Science Foundation of China ; National Key Research and Development Program of China |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/54058]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Wang, Zumin; Yu, Ranbo |
| 作者单位 | 1.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Dept Phys Chem, Beijing 100083, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China 3.Zhengzhou Univ, Minist Educ, Key Lab Adv Mat Proc & Mold, Zhengzhou 450002, Peoples R China |
| 推荐引用方式 GB/T 7714 | Meng, Cheng,Wang, Zumin,Zhang, Lijuan,et al. Tuning the Mn Dopant To Boost the Hydrogen Evolution Performance of CoP Nanowire Arrays[J]. INORGANIC CHEMISTRY,2022,61(25):9832-9839. |
| APA | Meng, Cheng,Wang, Zumin,Zhang, Lijuan,Ji, Xiaohao,Chen, Xiaoyu,&Yu, Ranbo.(2022).Tuning the Mn Dopant To Boost the Hydrogen Evolution Performance of CoP Nanowire Arrays.INORGANIC CHEMISTRY,61(25),9832-9839. |
| MLA | Meng, Cheng,et al."Tuning the Mn Dopant To Boost the Hydrogen Evolution Performance of CoP Nanowire Arrays".INORGANIC CHEMISTRY 61.25(2022):9832-9839. |
入库方式： OAI收割
来源：过程工程研究所
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