Proceedings of 13th Conference on Hybrid and Organic Photovoltaics (HOPV21)
Publication date: 11th May 2021
Nowadays, special attention is devoted to the development of innovative hole transporting materials as interfacial layers in organic-inorganic metal halide perovskite solar cells.[1] Many small molecules or polymers, have contributed to the progress of this topic. Nevertheless, the control of the molecular organization within the interfacial layers has not been explored in much detail. In this regard, simple azaphenacene-based derivative, which directly integrates hydrogen bond donor and acceptor sites into the fused polyaromatic skeleton, has been designed and synthesized.[2, 3] The self-assembly process governs the its solid-state packing and conditions the hole transporting properties.
This self-assembled material has been incorporated as non-doped hole transporting layer (HTL) in inverted CH3NH3PbI3 perovskite solar cells. A comparative study has been performed using PEDOT:PSS as reference HTL. Overall, the self-assembled HTL outperforms the standard PEDOT:PSS showing the adequacy of this supramolecular approach to be further explored in perovskite solar cells.[4]
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International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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