Proceedings of nanoGe Fall Meeting19 (NFM19)
Publication date: 18th 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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