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

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 paramet...

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Published inAngewandte Chemie International Edition Vol. 50; no. 46; pp. 10839 - 10842
Main Authors Zhou, Kai-Ge, Mao, Nan-Nan, Wang, Hang-Xing, Peng, Yong, Zhang, Hao-Li
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 11.11.2011
WILEY‐VCH Verlag
Wiley Subscription Services, Inc
EditionInternational ed. in English
Subjects
inorganic graphene analogues
layered compounds
nanostructures
solvent effects
thin films
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Summary: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.
Bibliography:istex:15BE0C5E23644579DB0DA416534252E45F06D1DA
This work is supported by National Natural Science Foundation of China (NSFC. 21073079, J1010067), the Fundamental Research Funds for the Central Universities National Basic Research Program of China (973 Program) No.2012CB933100 and 111 Project. Helps from Mr. Xin-Hua Li in the HRTEM characterizations is also acknowledged.
National Natural Science Foundation of China - No. 21073079; No. J1010067
Fundamental Research Funds for the Central Universities National Basic Research Program of China - No. 2012CB933100
ArticleID:ANIE201105364
ark:/67375/WNG-84N1VNC6-9
This work is supported by National Natural Science Foundation of China (NSFC. 21073079, J1010067), the Fundamental Research Funds for the Central Universities National Basic Research Program of China (973 Program) No.2012CB933100 and 111 Project. Helps from Mr. Xin‐Hua Li in the HRTEM characterizations is also acknowledged.
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ISSN:1433-7851
1521-3773
1521-3773
DOI:10.1002/anie.201105364