Title Nonspiro, fluorene-based, amorphous hole transporting materials for efficient and stable perovskite solar cells /
Authors Daškevičiūtė, Šarūnė ; Sakai, Nobuya ; Franckevičius, Marius ; Daškevičienė, Marytė ; Magomedov, Artiom ; Jankauskas, Vygintas ; Snaith, Henry J ; Getautis, Vytautas
DOI 10.1002/advs.201700811
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Is Part of Advanced science.. Weinheim : Wiley-VCH. 2018, vol. 5, iss. 4, art. no. 1700811, p. 1-7.. ISSN 2198-3844
Keywords [eng] fluorene ; materials science ; organic conductor ; perovskite ; solar cells
Abstract [eng] Novel nonspiro, fluorene-based, small-molecule hole transporting materials (HTMs) V1050 and V1061 are designed and synthesized using a facile three-step synthetic route. The synthesized compounds exhibit amorphous nature with a high glass transition temperature, a good solubility, and decent thermal stability. The planar perovskite solar cells (PSCs) employing V1050 generated an excellent power conversion efficiency of 18.3%, which is comparable to 18.9% obtained with the state-of-the-art Spiro-OMeTAD. Importantly, the devices based on V1050 and V1061 show better stability compared to devices based on Spiro-OMeTAD when aged without any encapsulation under uncontrolled humidity conditions (relative humidity around 60%) in the dark and under continuous full sun illumination. © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Published Weinheim : Wiley-VCH
Type Journal article
Language English
Publication date 2018
CC license CC license description