Abstract
In this study, we report a strategic route to enhance the electrical conductivity of solvent exfoliated MoS2 nanosheets dispersed in Poly-vinyl alcohol (PVA) matrix as a free-standing thin film. 100 MeV Silicon9+ swift ion beam is used to anneal the defects and decrease the degree of disorderness of MoS2 while in the polymer matrix. Homogeneous dispersion and strong interfacial interaction between the nano-sheets and PVA matrix increases the charge carrier mobility, which in turn results in a dynamic increase of conductivity by 2 orders of magnitude i.e. from 2.5 x 10−5 S/cm (pristine) to 2.9 x 10−3 S/cm (irradiated) at a fluence of 1 x 1011 ions/cm2.
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