Influence of Graphene Dispersion in P3HT-Based Thin Film Organic Field Effect Transistors

P3HT has been an important candidate in the domain of organic field-effect transistors. The impact of instilling graphene in P3HT for enhanced mobility of the combined system to utilize the best of both need not occur. This work demonstrates the impact of graphene in P3HT (g-P3HT) based thin film OFET. There is a drop in mobility with a low concentration of graphene in P3HT until a sufficient amount of quantity is infused into the P3HT system, beyond which the mobility starts increasing. The lowest mobility in the presence of graphene has been found to be 2.24 x 10E-4 compared to 2.34 x 10E-4 of pristine P3HT.