Nonhazardous Solvent Systems for Processing Perovskite Photovoltaics

作者：Gardner Kira L; Tait Jeffrey G; Merckx Tamara; Qiu Weiming; Paetzold Ulrich W; Kootstra Lucinda; Jaysankar Manoj; Gehlhaar Robert; Cheyns David; Heremans Paul; Poortmans Jef

来源：Advanced Energy Materials, 2016, 6(14): 1600386.

DOI：10.1002/aenm.201600386

Replacing toxic solvents with nonhazardous solvents is one of the key challenges for industrial scale commercialization of thin film perovskite photovoltaics. Here, nonhazardous solvent/alcohol/acid systems are presented for the single-step deposition of pinhole-free perovskite layers with combined lead halide precursors of Pb(CH3CO2)(2), 3H(2)O, PbCl2, and CH3NH3I. Comparable performance to standard hazardous inks is achieved: devices with 15.1% power conversion efficiency are demonstrated and maintain 13.5% tracked for 5 min at maximum power point. Blade coated 4 cm 2 solar modules fabricated with highest performing device ink attain 11.9% in power conversion efficiency.

• 出版日期2016-7-20