Issue 6, 2016

A new polythiophene-driven coating method on an inorganic INT/IF-WS2 nanomaterial surface

Abstract

Inorganic nanotubes and fullerene nanoparticles of tungsten disulfide (INTs-WS2 and IFs-WS2, respectively) are practically inert, hindering their usefulness in both research and commercial applications. The covalent attachment of functional species onto the surface of INTs-WS2 is a critical first step in realizing the potential that INTs-WS2 offer for producing high performance materials, systems, and products. In our previous work, we developed a unique and versatile method for functionalizing carboxylic groups on the nanotubes' surface. In this current research, we have developed a functionalization method via the Vilsmeier–Haack reaction using 2,2′-bisthiophene-4-carboxaldehyde and POCl3 as chemically reactive reagents. These coatings should improve the electro-conductivity and mechanical properties of both INTs-WS2 and IFs-WS2 inorganic nanomaterials. Using a bithiophene linker allowed us to polymerize any substituted thiophene monomer such as 3,4-ethylenedioxythiophene (EDOT) and 3-thiophene acetic acid (TAA) among others.

Graphical abstract: A new polythiophene-driven coating method on an inorganic INT/IF-WS2 nanomaterial surface

Supplementary files

Article information

Article type
Paper
Submitted
14 Oct 2015
Accepted
18 Dec 2015
First published
11 Jan 2016

RSC Adv., 2016,6, 4490-4504

Author version available

A new polythiophene-driven coating method on an inorganic INT/IF-WS2 nanomaterial surface

D. Raichman, R. Ben-Shabat Binyamini and J.-P. Lellouche, RSC Adv., 2016, 6, 4490 DOI: 10.1039/C5RA21370C

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