Inverted, Environmentally Stable Perovskite Solar Cell with a Novel Low-Cost and Water-Free PEDOT Hole-Extraction Layer

Y. Hou, H. Zhang, W. Chen, S. Chen, C. O. R. Quiroz, Dr. H. Azimi, Dr. A. Osvet, Dr. G. J. Matt, Prof. C. J. Brabec Department of Materials Science and Engineering Institute of Materials for Electronics and Energy Technology (I-MEET) Friedrich-Alexander University Erlangen-Nuremberg Martensstrasse 7 , 91058 Erlangen , Germany E-mail: yi.hou@fau.de; christoph.brabec@fau.de Y. Hou, H. Zhang, W. Chen Erlangen Graduate School in Advanced Optical Technologies (SAOT) Paul-Gordan-Str.6 , 91052 Erlangen , Germany Dr. E. Zeira OneSun Inc., P.O. Box 1399 Sausalito , CA 94966 , USA J. Seuring, Dr. N. Kausch-Busies, Dr. W. Lovenich Heraeus Deutschland GmbH and CoKG Chempark 51368 , Leverkusen , Germany Prof. C. J. Brabec Bavarian Center for Applied Energy Research (ZAE Bayern) Am Weichselgarten 7 , 91058 Erlangen , Germany