A Mixed-Solvent Strategy for Efficient Exfoliation of Inorganic Graphene Analogues†
Kai-Ge Zhou
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
Search for more papers by this authorNan-Nan Mao
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
Search for more papers by this authorHang-Xing Wang
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
Search for more papers by this authorProf. Yong Peng
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000 (P. R. China)
Search for more papers by this authorCorresponding Author
Prof. Hao-Li Zhang
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/Search for more papers by this authorKai-Ge Zhou
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
Search for more papers by this authorNan-Nan Mao
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
Search for more papers by this authorHang-Xing Wang
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
Search for more papers by this authorProf. Yong Peng
School of Physical Science and Technology, Lanzhou University, Lanzhou 730000 (P. R. China)
Search for more papers by this authorCorresponding Author
Prof. Hao-Li Zhang
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/
State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000 (P. R. China) http://sklaoc.lzu.edu.cn/faculty/zhanghl/Search for more papers by this authorThis 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.
Graphical Abstract
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.
Supporting Information
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