Production of Two-Dimensional Nanomaterials via Liquid-Based Direct Exfoliation

Liyong Niu, Jonathan N. Coleman, Hua Zhang, Hyeonsuk Shin, Manish Chhowalla, Zijian Zheng

Research output: Contribution to journalArticle

176 Citations (Scopus)

Abstract

Tremendous efforts have been devoted to the synthesis and application of two-dimensional (2D) nanomaterials due to their extraordinary and unique properties in electronics, photonics, catalysis, etc., upon exfoliation from their bulk counterparts. One of the greatest challenges that scientists are confronted with is how to produce large quantities of 2D nanomaterials of high quality in a commercially viable way. This review summarizes the state-of-the-art of the production of 2D nanomaterials using liquid-based direct exfoliation (LBE), a very promising and highly scalable wet approach for synthesizing high quality 2D nanomaterials in mild conditions. LBE is a collection of methods that directly exfoliates bulk layered materials into thin flakes of 2D nanomaterials in liquid media without any, or with a minimum degree of, chemical reactions, so as to maintain the high crystallinity of 2D nanomaterials. Different synthetic methods are categorized in the following, in which material characteristics including dispersion concentration, flake thickness, flake size and some applications are discussed in detail. At the end, we provide an overview of the advantages and disadvantages of such synthetic methods of LBE and propose future perspectives.

Original languageEnglish
Pages (from-to)272-293
Number of pages22
JournalSmall
Volume12
Issue number3
DOIs
Publication statusPublished - Jan 20 2016

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Nanostructures
Nanostructured materials
Liquids
Optics and Photonics
Catalysis
Photonics
Chemical reactions
Electronic equipment

Keywords

  • exfoliation
  • layered materials
  • liquid synthesis
  • nanotechnologies, liquid media
  • two-dimensional nanomaterials

ASJC Scopus subject areas

  • Biomaterials
  • Engineering (miscellaneous)
  • Biotechnology

Cite this

Production of Two-Dimensional Nanomaterials via Liquid-Based Direct Exfoliation. / Niu, Liyong; Coleman, Jonathan N.; Zhang, Hua; Shin, Hyeonsuk; Chhowalla, Manish; Zheng, Zijian.

In: Small, Vol. 12, No. 3, 20.01.2016, p. 272-293.

Research output: Contribution to journalArticle

Niu, L, Coleman, JN, Zhang, H, Shin, H, Chhowalla, M & Zheng, Z 2016, 'Production of Two-Dimensional Nanomaterials via Liquid-Based Direct Exfoliation', Small, vol. 12, no. 3, pp. 272-293. https://doi.org/10.1002/smll.201502207
Niu, Liyong ; Coleman, Jonathan N. ; Zhang, Hua ; Shin, Hyeonsuk ; Chhowalla, Manish ; Zheng, Zijian. / Production of Two-Dimensional Nanomaterials via Liquid-Based Direct Exfoliation. In: Small. 2016 ; Vol. 12, No. 3. pp. 272-293.
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