Beyond hydrophobicity: how F4-TCNQ doping of the hole transport material improves stability of mesoporous triple-cation perovskite solar cells

• DOI: 10.1039/d2ta02588d
• Publication Date: 2022-05-11T16:38:13Z
• Authors: Maning Liu; Staffan Dahlström; Christian Ahläng; Sebastian Wilken; Aleksandr Degterev; Anastasia Matuhina; Mahboubeh Hadadian; Magnus Markkanen; Kerttu Aitola; Aleksi Kamppinen; Jan Deska; Oliver Mangs; Mathias Nyman; Peter D. Lund; Jan-Henrik Smått; Ronald Österbacka; Paola Vivo
• Keywords: ta114; 216 Materials engineering; 215 Chemical engineering; 215; 216; 02 engineering and technology; 540; ta216; 0210 nano-technology; 530; 7. Clean energy

High uniformity of hydrophobic F4-TCNQ doping in the spiro-OMeTAD layer hinders the dopant migration towards the anode as well as the dopant aggregation, leading to a T80 shelf-lifetime of >1 year.