Tailoring doped organic nanoparticles as selective hole transporters for printed non-fullerene organic solar cells

Junyi Xu, Andreas Späth, Wolfgang Gruber, Anastasiia Barabash, Philipp Stadler, Kirill Gubanov, Mingjian Wu, Karen Forberich, Erdmann Spiecker, Rainer H. Fink, Tobias Unruh, Iain McCulloch, Christoph J. Brabec, Thomas Heumüller