“…The regioregular P3HT was synthesized by Grignard metathesis polymerization (Loewe et al, 1999;Hernández-Guzmán et al, 2017) with an average molecular weight (MW) of about 28 kDA (Hernández-Guzmán et al, 2017). Graphene oxide (GO) products were synthesized using a modified Tour method (Becerra-Paniagua et al, 2019).…”