Interface engineering, Tandem structure Exceeding 10% of PCE
Transmittance > 90%, sheet resistance <10 S/sq
Uniform film formation PCE of Printed PSCs<9%
A new series connection architecture Geometrical fill factor>90%, Module efficiency>7%
Lifetime expectancy: 10 years
Energy level matching between electrodes and active material
Work function tenability / Solution-procesability / High transparency
Protonated amine density ↑ → Work function of ITO ↓
Ionic density ↑ → Work function of ITO ↓
B. H. Lee, J.-H. Lee&K. Lee et al., Adv. Energy Mater., 5, 1401653 (2015)
