| Literature DB >> 26200657 |
Jianfeng Shen1,2, Yongmin He1,3, Jingjie Wu1, Caitian Gao3, Kunttal Keyshar1, Xiang Zhang1, Yingchao Yang1, Mingxin Ye2, Robert Vajtai1, Jun Lou1, Pulickel M Ajayan1.
Abstract
Exfoliation of two-dimensional (2D) materials into mono- or few layers is of significance for both fundamental studies and potential applications. In this report, for the first time surface tension components were directly probed and matched to predict solvents with effective liquid phase exfoliation (LPE) capability for 2D materials such as graphene, h-BN, WS2, MoS2, MoSe2, Bi2Se3, TaS2, and SnS2. Exfoliation efficiency is enhanced when the ratios of the surface tension components of the applied solvent is close to that of the 2D material in question. We enlarged the library of low-toxic and common solvents for LPE. Our study provides distinctive insight into LPE and has pioneered a rational strategy for LPE of 2D materials with high yield.Entities:
Keywords: Two-dimensional materials; liquid phase exfoliation; polar and dispersive components; surface tension
Year: 2015 PMID： 26200657 DOI： 10.1021/acs.nanolett.5b01842
Source DB: PubMed Journal: Nano Lett ISSN： 1530-6984 Impact factor: 11.189