In situ doping and crosslinking of fullerenes to form efficient and robust electron-transporting layers for polymer solar cells

Abstract

Efficient electron-transporting layers (ETLs) with a stable conductive fullerene doped into a thermally crosslinkable fullerene matrix have been developed for inverted polymer solar cells (PSCs). The improved electrical conductivity and solvent resistance of these ETLs have significantly enhanced the performance of PSCs.