Hybrid organic–inorganic perovskite solar cells have recently emerged as one of the most promising low-cost photovoltaic technologies. The remarkable progress of perovskite photovoltaics is closely related to advances in interfacial engineering and development of charge selective interlayers. Herein, we present the synthesis and characterization of a fused azapolyheteroaromatic small molecule, namely anthradi-7-azaindole (ADAI), with outstanding performance as a hole-transporting layer in perovskite solar cells with inverted architecture. Its molecular arrangement, induced by hydrogen-bond-directed self-assembly, favors a suitable morphology of the perovskite layer, reducing the effects of recombination as revealed by light intensity dependence, photoluminescence, and electroluminescence studies.
- fused-ring systems
- organic electronics
- solar cells
- undoped hole-transport layer
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Más-Montoya, M. (Contributor), Gómez, P. (Contributor), Curiel, D. (Contributor), da Silva, I. (Contributor), Wang, J. (Contributor) & Janssen, R. A. J. (Contributor), Cambridge Crystallographic Data Centre, 3 Oct 2019