期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.125501
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资金
- Columbia University Energy Frontier Research Center (EFRC)
- U. S. Department of Energy, Basic Energy Sciences (DOE-BES) [DE-SC0001085]
- Fluid Interface Reactions, Structures and Transport (FIRST) Center, an Energy Frontier Research Center
- U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences
- DOE-BES [DE-AC02-98CH10886]
The structures of nanocrystalline pristine, potassium hydroxide and sodium acetate intercalated new two- dimensional materials Ti C-3(2) MXenes were studied using the x- ray atomic pair distribution function technique. Pristine MXene has a hexagonal structure with a = b = 3.0505(5) angstrom, c = 19.86(2) angstrom (S.G. P63/mmc No. 194). Both hydroxyl and fluoride terminating species are present. The intercalation of K+ or Na+ ions expands the Ti3C2 layers perpendicular to the planes but shrinks the in-plane a and b lattice parameters.
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