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Issue 5, 2021
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Covalent functionalization of molybdenum disulfide by chemically activated diazonium salts

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Abstract

Covalent functionalization is one of the most efficient ways to tune the properties of layered materials in a highly controlled manner. However, molecular chemisorption on semiconducting transition metal dichalcogenides remains a delicate task due to the inertness of their surface. Here we perform covalent modification of bulk and single layer molybdenum disulfide (MoS2) using chemical activation of diazonium salts. A high level of control over the grafting density and yield on MoS2 basal plane can be achieved by this approach. Using scanning probe microscopies and X-ray photoelectron spectroscopy we prove the covalent functionalization of MoS2.

Graphical abstract: Covalent functionalization of molybdenum disulfide by chemically activated diazonium salts

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Supplementary files

Article information


Submitted
13 Oct 2020
Accepted
20 Jan 2021
First published
25 Jan 2021

Nanoscale, 2021,13, 2972-2981
Article type
Paper

Covalent functionalization of molybdenum disulfide by chemically activated diazonium salts

L. Daukiya, J. Teyssandier, S. Eyley, S. El Kazzi, M. C. Rodríguez González, B. Pradhan, W. Thielemans, J. Hofkens and S. De Feyter, Nanoscale, 2021, 13, 2972
DOI: 10.1039/D0NR07310E

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