期刊
NANO LETTERS
卷 15, 期 9, 页码 5956-5960出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.nanolett.5b02091
关键词
MoS2; exfoliation; intercalation; sonication; infrared laser
类别
资金
- U.S. Army Research Office MURI [W911NF-11-1-0362]
- Natural Science Funds for Excellent Young Scholars [21222608]
- Program of Introducing Talents of Discipline to Universities [B06006]
Exfoliated 2H molybdenum disulfide (MoS2) has unique properties and potential applications in a wide range of fields, but corresponding studies have been hampered by the lack of effective routes to it in bulk quantities. This study presents a rapid and efficient route to obtain exfoliated 2H MoS2, which combines fast sonication-assisted lithium intercalation and infrared (IR) laser-induced phase reversion. We found that the complete lithium intercalation of MoS2 with butyllithium could be effected within 1.5 h with the aid of sonication. The 2H to IT phase transition that occurs during the lithium intercalation could be also reversed by IR laser irradiation with a DVD optical drive.
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