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Understanding the unorthodox stabilization of liquid phase exfoliated molybdenum disulfide (MoS2) in water medium

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Abstract

Molybdenum disulfide is a highly esteemed 2D material with interesting applications in nanoelectronics, composites, biotechnology and beyond. Its production through liquid-phase exfoliation in H2O is low-cost and eco-friendly. Herein, we present a detailed experimental and theoretical investigation seeking to explain the peculiar stability of MoS2 in H2O medium. By combining different microscopic (SEM, AFM and OM), spectrometric (Raman, UV-vis and AFM-FTIR), scattering (DLS) and ab initio simulation techniques, an edge-functionalization hypothesis for the excellent solvent properties of water for producing few-layer MoS2 has been demonstrated.

Graphical abstract: Understanding the unorthodox stabilization of liquid phase exfoliated molybdenum disulfide (MoS2) in water medium

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Article information


Submitted
27 Nov 2019
Accepted
11 Dec 2019
First published
11 Dec 2019

Phys. Chem. Chem. Phys., 2020, Advance Article
Article type
Paper

Understanding the unorthodox stabilization of liquid phase exfoliated molybdenum disulfide (MoS2) in water medium

C. L. C. Rodriguez, P. A. R. Muñoz, K. Z. Donato, L. Seixas, R. K. Donato and G. J. M. Fechine, Phys. Chem. Chem. Phys., 2020, Advance Article , DOI: 10.1039/C9CP06422B

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