J. Mat. Chem. A 4 (2016) 14234-14240
J Min, OK Kwon, C Cui, J-H Park, Y Wu, SY Park, Y Lic and CJ Brabecad
The use of small volumes of solvent additives is an approach to increase the power conversion efficiency of solar cells. Researchers from Germany, South Korea and China found that the relevant additives facilitate phase separation at the nanometer scale, as corroborated by AFM measurements.