Towards 2D Layered Hybrid Perovskites With Enhanced Functionality.
Laurence LUTSEN a, Dirk VANDERZANDE b a, Wouter Van Gompel b, Roald Herckens b, Paul-Henri Denis b, Martijn Mertens b, Tom Aernouts c, Jan D'Haen d, Bart Ruttens d, Kristof Van Hecke e
a 1 IMEC, Imomec, Diepenbeek (Belgium)
b Hasselt University, WET/OBPC/HyMat, Diepenbeek (Belgium)
c Imec – partner in Solliance – Thin-Film PV group, Thor Park 8320, 3600 Genk, Belgium
d Hasselt University, IMO, Diepenbeek (Belgium)
e Department of Chemistry, Ghent University, Krijgslaan 281 - S3, 9000 Gent, Belgium
nanoGe Fall Meeting
Proceedings of nanoGe Fall Meeting19 (NGFM19)
#PERFuDe19. Halide perovskites: when theory meets experiment from fundamentals to devices
Berlin, Germany, 2019 November 3rd - 8th
Organizers: Claudine Katan, Wolfgang Tress and Simone Meloni
Poster, Laurence LUTSEN, 358
Publication date: 16th July 2019

Low-dimensional organic-inorganic hybrid perovskites are emerging as a promising class of materials for use in optoelectronic applications. The complexity of the organic interlayer in hybrid perovskites can be increased by introducing additional secondary interactions between different organic components, e.g. pi-interactions. A fluent transition of electro-optical properties can be achieved of the inorganic part from confined 2D structures to strongly delocalized quasi-3D structures. The use of carbazole ammonium salts in 2D hybrid perovskites leads to materials for solar cells with enhanced photoconductivity and stronger resistance toward moisture yielding solar cells with enhanced stability [1]. The use of pyrene ammonium salts to synthesize 2D hybrid perovskites has beenalso explored and initial results on the structure and optoelectronic properties were obtained [2]. Next, we have incorporated donor-acceptor charge-transfer complexes into the organic layer of low-dimensional hybrids. The structural and optical properties of the different hybrids are compared and the influence of the incorporation of the charge-transfer complexes was examined [3].

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