A novel interface layer for inverted perovskite solar cells fabricated in ambient air under high humidity conditions

Yazar
Doyranli, Ceylan
KOYUNCU, SERMET
SAN, Nevim
Kahveci, Cihangir
Rodop, Macide Canturk
Arvas, Melih Beşir
GENÇTEN, Metin
Sahin, Yucel
Gunes, Serap
CHOI, Fatma Pınar
Alishah, Hamed Moeini
Bozar, Sinem
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Özet
A novel benzotriazol based small molecule (2-hexyl-4,7-bis(5'-hexyl-2,2'-bithien-5-yl)-2H-1,2,3-benzotriazole) "BTBT" was synthesized by Suzuki coupling reaction and was successfully employed in planar inverted perovskite solar cells with ITO/BTBT/PEDOT:PSS/CH3NH3PbI3-xCl(x)/PCBM/Al configuration. Fabrication processes, including the spin coating of the perovskite layer, were performed in ambient air, under high humidity conditions (>60%). BTBT/PEDOT:PSS bilayer notably improved the power conversion efficiencies (PCE) from 9.65% to 11.6%, which corresponds to an increase of 20%.
Bağlantı
http://hdl.handle.net/20.500.12627/189728
https://doi.org/10.1016/j.solener.2020.08.013
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