Charge-Transfer-Promoted High Oxygen Evolution Activity of Co@Co9S8 Core-Shell Nanochains
文献类型：期刊论文
| 作者 | Yuan, Xiaotao1,2; Yin, Junwen4; Liu, Zichao1,2; Wang, Xin1,2; Dong, Chenlong1,2; Dong, Wujie1,2; Riaz, Muhammad Sohail1,2; Zhang, Zhe1,2; Chen, Ming-Yang4; Huang, Fuqiang1,2,3 |
| 刊名 | ACS APPLIED MATERIALS & INTERFACES
 |
| 出版日期 | 2018-04-11 |
| 卷号 | 10期号:14页码:11565-11571 |
| 关键词 | Co@co9s8 Core-shell Structure Nanochains Oxygen Evolution Reaction Charge Transfer |
| ISSN号 | 1944-8244 |
| DOI | 10.1021/acsami.7b15890 |
| 英文摘要 | Co@Co9S8 nanochains with core shell structures are prepared by a direct-current arc-discharge technique and followed sulfurization at 200 degrees C. The nanochains, which consist of uniform nanospheres connecting each other, can range up to several micrometers. The thickness of Co9S8 shell can be changed by regulating the sulfurization time. In this heterostructure of Co@Co9S8, Co nanochains function as a conductive network and can inject electrons into Co9S8, which manipulates the work function of Co9S8 and makes it more apposite for catalysis. The density functional theory calculation also reveals that coupling with Co can significantly reduce the overpotential needed to drive the oxygen evolution process. On the basis of the exclusive structure, Co@Co9S8 nanochains have shown high catalytic activity in the oxygen evolution reaction. Co@Co9S8 reaches an overpotential of 285 my at 10 mA cm(-2), which is much lower than that of Co nanochains (408 mV) and Co9S8 (418 mV). Co@Co9S8 also shows higher catalytic activity and robustness compared to state-of-the-art noble-metal catalyst RuO2. |
| 语种 | 英语 |
| WOS记录号 | WOS:000430156000020 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/45917]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Chen, Ming-Yang; Huang, Fuqiang |
| 作者单位 | 1.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China 2.Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China 3.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China 4.Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yuan, Xiaotao,Yin, Junwen,Liu, Zichao,et al. Charge-Transfer-Promoted High Oxygen Evolution Activity of Co@Co9S8 Core-Shell Nanochains[J]. ACS APPLIED MATERIALS & INTERFACES,2018,10(14):11565-11571. |
| APA | Yuan, Xiaotao.,Yin, Junwen.,Liu, Zichao.,Wang, Xin.,Dong, Chenlong.,...&Huang, Fuqiang.(2018).Charge-Transfer-Promoted High Oxygen Evolution Activity of Co@Co9S8 Core-Shell Nanochains.ACS APPLIED MATERIALS & INTERFACES,10(14),11565-11571. |
| MLA | Yuan, Xiaotao,et al."Charge-Transfer-Promoted High Oxygen Evolution Activity of Co@Co9S8 Core-Shell Nanochains".ACS APPLIED MATERIALS & INTERFACES 10.14(2018):11565-11571. |
入库方式： OAI收割
来源：化学研究所
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