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Oxygen-Functionalized Ultrathin Ti3C2Tx MXene for Enhanced Electrocatalytic Hydrogen Evolution
Jiang, Yanan1,2; Sun, Tao1,2; Xie, Xi3; Jiang, Wei4; Li, Jia4; Tian, Bingbing1,2; Su, Chenliang1,2
Corresponding AuthorSu, Chenliang(chmsuc@szu.edu.cn)
2019-04-05
Source PublicationCHEMSUSCHEM
ISSN1864-5631
Volume12Issue:7Pages:1368-1373
AbstractTwo-dimensional (2D) transition-metal carbides (MXenes) are widely adopted as potential electrocatalysts for the hydrogen evolution reaction (HER) owing to their metallic conductivity, rich tunable surface chemistry, and atomic thickness with highly exposed active sites. Previously published theoretical results indicate that MXenes functionalized entirely with oxygen have lower G(H*) for HER. However, MXenes contain many terminal F groups on the basal plane, which is detrimental to the HER. Herein, the development of an ultrathin Ti3C2 MXene nanosheet fully functionalized with oxygen is reported for the HER. The obtained oxygen-functionalized Ti3C2 (Ti3C2Ox) exhibits a much higher HER activity (190mV at 10mAcm(-2)) than that of Ti3C2Tx (T=F, OH, and O). The improved HER performance is attributed to the highly active O sites on the basal plane of Ti3C2Tx MXenes. This study paves way for electrocatalytic applications of MXene materials by tuning their surface functional groups.
Keywordelectrocatalysis hydrogen evolution reaction MXene oxygen functionalized Ti3C2
Funding OrganizationNatural Science Foundation of China ; Science and Technology Project of the Research Foundation of China Postdoctoral Science ; Shenzhen Peacock Plan ; Guangdong Special Support Program
DOI10.1002/cssc.201803032
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China[51502174] ; Natural Science Foundation of China[21506126] ; Science and Technology Project of the Research Foundation of China Postdoctoral Science[2017M622771] ; Shenzhen Peacock Plan[827-000113] ; Shenzhen Peacock Plan[KQJSCX20170727100802505] ; Shenzhen Peacock Plan[KQTD2016053112042971] ; Guangdong Special Support Program
WOS Research AreaChemistry ; Science & Technology - Other Topics
WOS SubjectChemistry, Multidisciplinary ; Green & Sustainable Science & Technology
WOS IDWOS:000467235500010
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:45[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/133196
Collection中国科学院金属研究所
Corresponding AuthorSu, Chenliang
Affiliation1.Shenzhen Univ, Coll Optoelect Engn, SZU NUS Collaborat Ctr, Shenzhen 518060, Peoples R China
2.Shenzhen Univ, Coll Optoelect Engn, Int Collaborat Lab 2D Mat Optoelect Sci & Technol, Engn Technol Res Ctr 2D Mat Informat Funct Device, Shenzhen 518060, Peoples R China
3.Chinese Acad Sci, IMR, Shenyang Natl Lab Mat Sci SYNL, Shenyang 110016, Liaoning, Peoples R China
4.Tsinghua Univ, Grad Sch Shenzhen, Div Energy & Environm, Lab Computat Mat Engn, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Yanan,Sun, Tao,Xie, Xi,et al. Oxygen-Functionalized Ultrathin Ti3C2Tx MXene for Enhanced Electrocatalytic Hydrogen Evolution[J]. CHEMSUSCHEM,2019,12(7):1368-1373.
APA Jiang, Yanan.,Sun, Tao.,Xie, Xi.,Jiang, Wei.,Li, Jia.,...&Su, Chenliang.(2019).Oxygen-Functionalized Ultrathin Ti3C2Tx MXene for Enhanced Electrocatalytic Hydrogen Evolution.CHEMSUSCHEM,12(7),1368-1373.
MLA Jiang, Yanan,et al."Oxygen-Functionalized Ultrathin Ti3C2Tx MXene for Enhanced Electrocatalytic Hydrogen Evolution".CHEMSUSCHEM 12.7(2019):1368-1373.
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