A Mixed-Solvent Strategy for Efficient Exfoliation of Inorganic Graphene Analogues

被引:823
作者
Zhou, Kai-Ge [1 ]
Mao, Nan-Nan [1 ]
Wang, Hang-Xing [1 ]
Peng, Yong [2 ]
Zhang, Hao-Li [1 ]
机构
[1] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
基金
中国国家自然科学基金;
关键词
inorganic graphene analogues; layered compounds; nanostructures; solvent effects; thin films; LIQUID-PHASE EXFOLIATION; NANOSHEETS; MOS2; FABRICATION; COMPOSITES; NANOTUBES; GRAPHITE; FILMS;
D O I
10.1002/anie.201105364
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Two are better than one: A mixed-solvent method for liquid exfoliation of MoS2, WS2, and BN nanosheets is presented. Although ethanol and water are both poor solvents for this process, ethanol/water mixtures of appropriate composition, which can be predicted on the basis of Hansen solubility parameters, result in efficient exfoliation (see schematic) to give highly stable suspensions. © 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:10839 / 10842
页数:4
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