Slot-die coated perovskite PV cell with precursor ink hits 22.54% efficiency
German researchers claim to have reduced ribbing effects in using slot-die coating for the production of perovskite solar cells. The results are reportedly the most efficient solar cell built with this technique to date.
Renergie Gmb Energy Materials Helmholtz Zentrum Berlin Energie Gmbh Power Conversion Efficiency Outdoor Performance Evaluation
Source: pv-magazine.com