Thiofluorographene-hydrophilic graphene derivative with semiconducting and genosensing properties
Journal article published in 2015 by
Veronika Urbanová,
Kateřina Holá,
Athanasios B. Bourlinos,
Klára Čépe,
Adriano Ambrosi,
Adeline Huiling Loo,
Martin Pumera,
František Karlický,
Michal Otyepka 
,
Radek Zbořil
,
Radek Zbořil
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Abstract
We present the first example of covalent chemistry on fluorographene, enabling the attachment of –SH groups through nucleophilic substitution of fluorine in a polar solvent. The resulting thiographene-like, 2D derivative is hydrophilic with semiconducting properties and bandgap between 1 and 2 eV depending on F/SH ratio. Thiofluorographene is applied in DNA biosensing by electrochemical impedance spectroscopy.