Coupled Biphase (1T-2H)-MoSe2 on Mold Spore Carbon for Advanced Hydrogen Evolution Reaction
文献类型：期刊论文
| 作者 | Deng, SJ; Ai, CZ; Luo, M; Liu, B; Zhang, Y; Li, YH; Lin, SW; Pan, GX; Xiong, QQ; Liu, Q |
| 刊名 | SMALL
 |
| 出版日期 | 2019 |
| 卷号 | 15期号:30页码:- |
| 关键词 | GENERALIZED GRADIENT APPROXIMATION ELECTROCATALYST SPECTROSCOPY PHASE |
| ISSN号 | 1613-6810 |
| DOI | 10.1002/smll.201901796 |
| 文献子类 | 期刊论文 |
| 英文摘要 | Performance breakthrough of MoSe2-based hydrogen evolution reaction (HER) electrocatalysts largely relies on sophisticated phase modulation and judicious innovation on conductive matrix/support. In this work the controllable synthesis of phosphate ion (PO43-) intercalation induced-MoSe2 (P-MoSe2) nanosheets on N-doped mold spore carbon (N-MSC) forming P-MoSe2/N-MSC composite electrocatalysts is realized. Impressively, a novel conductive N-MSC matrix is constructed by a facile mold fermentation method. Furthermore, the phase of MoSe2 can be modulated by a simple phosphorization strategy to realize the conversion from 2H-MoSe2 to 1T-MoSe2 to produce biphase-coexisted (1T-2H)-MoSe2 by PO43- intercalation (namely, P-MoSe2), confirmed by synchrotron radiation technology and spherical aberration-corrected TEM (SACTEM). Notably, higher conductivity, lower bandgap and adsorption energy of H+ are verified for the P-MoSe2/N-MSC with the help of density functional theory (DFT) calculation. Benefiting from these unique advantages, the P-MoSe2/N-MSC composites show superior HER performance with a low Tafel slope (approximate to 51 mV dec(-1)) and overpotential (approximate to 126 mV at 10 mA cm(-1)) and excellent electrochemical stability, better than 2H-MoSe2/N-MSC and MoSe2/carbon nanosphere (MoSe2/CNS) counterparts. This work demonstrates a new kind of carbon material via biological cultivation, and simultaneously unravels the phase transformation mechanism of MoSe2 by PO43- intercalation. |
| 语种 | 英语 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/32014]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Hainan Univ, State Key Lab Marine Resource Utilizat South Chin, Haikou 570228, Hainan, Peoples R China; 2.Zhejiang Univ, State Key Lab Silicon Mat, Key Lab Adv Mat & Applicat Batteries Zhejiang Pr, Hangzhou 310027, Zhejiang, Peoples R China; 3.Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China; 4.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201210, Peoples R China; 5.Huzhou Univ, Dept Chem Mat, Huzhou 313000, Peoples R China; 6.Hangzhou Dianzi Univ, Coll Mat & Environm Engn, Hangzhou 310018, Zhejiang, Peoples R China; 7.City Univ Hong Kong, Dept Phys, Kowloon, Hong Kong 999077, Peoples R China |
| 推荐引用方式 GB/T 7714 | Deng, SJ,Ai, CZ,Luo, M,et al. Coupled Biphase (1T-2H)-MoSe2 on Mold Spore Carbon for Advanced Hydrogen Evolution Reaction[J]. SMALL,2019,15(30):-. |
| APA | Deng, SJ.,Ai, CZ.,Luo, M.,Liu, B.,Zhang, Y.,...&Tu, JP.(2019).Coupled Biphase (1T-2H)-MoSe2 on Mold Spore Carbon for Advanced Hydrogen Evolution Reaction.SMALL,15(30),-. |
| MLA | Deng, SJ,et al."Coupled Biphase (1T-2H)-MoSe2 on Mold Spore Carbon for Advanced Hydrogen Evolution Reaction".SMALL 15.30(2019):-. |
入库方式： OAI收割
来源：上海应用物理研究所
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