Atomic Repartition in MXenes by Electron Probes
Zhang, Hui1,2; Hu, Tao3; Sun, Wenwen4; Hu, Minmin1; Cheng, Renfei1; Wang, Xiaohui1
Corresponding AuthorZhang, Hui( ; Wang, Xiaohui(
AbstractMXenes hold immense promise for diverse applications that highly depend on the compositional and structural features of both the carbide frame and interlayer functional groups. Here, we show that electron probes can controllably impart metal atoms in the carbide slabs to the functional group slabs in MXene multilayers. The multilayers consist of many few-atom-thick transition metal carbide slabs that are terminated with hydroxyl and 0 functional groups on each slab. Upon electron irradiation, the H atoms of the hydroxyl are knocked off, creating cation traps surrounded by dangling 0 confined in a nanosized slit. Simultaneously, the transition metal atoms partially struck away from the carbide slabs migrate into the cation traps periodically, resulting in atomic repartition. Atomic repartition is versatile for various MXenes and has the potential to improve the electric conductivity and lessen the anisotropy, providing a new method to synthesize new MXenes and holding significant implications in engineering MXenes at the atomic scale.
Indexed BySCI
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary
WOS IDWOS:000473248400008
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorZhang, Hui; Wang, Xiaohui
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
2.Lawrence Berkeley Natl Lab, Energy Geosci Div, Berkeley, CA 94720 USA
3.Suzhou Univ Sci & Technol, Inst Mat Sci & Devices, Suzhou 215009, Peoples R China
4.Southeast Univ, Sch Mat Sci & Engn, Nanjing 211189, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Hui,Hu, Tao,Sun, Wenwen,et al. Atomic Repartition in MXenes by Electron Probes[J]. CHEMISTRY OF MATERIALS,2019,31(12):4385-4391.
APA Zhang, Hui,Hu, Tao,Sun, Wenwen,Hu, Minmin,Cheng, Renfei,&Wang, Xiaohui.(2019).Atomic Repartition in MXenes by Electron Probes.CHEMISTRY OF MATERIALS,31(12),4385-4391.
MLA Zhang, Hui,et al."Atomic Repartition in MXenes by Electron Probes".CHEMISTRY OF MATERIALS 31.12(2019):4385-4391.
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