A paradigm shift in doping p-type conjugated polymers published in Adv. Mater. 2020

We reported in Adv. Mater. 2020, a new doping strategy by mixing a hole conductor having partly filled HOMO and a conjugated polymer having fully occupied HOMO resulting in a HOMO-HOMO electron transfer. This was a joint research work with the Pflaum group of University of Würzburg. This concept opens new routes to dope p-type organic semiconductors to obtain highly stable doped systems. It also does not require any acceptor dopant molecule such as a fluorinated TCNQ derivative having low lying LUMO values.