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https://open.uns.ac.rs/handle/123456789/32641
Nаziv: | The crystal packing of Non-Fullerene Acceptors in organic solar cells | Аutоri: | P. Mondelli P. Kaienburg F. Silvestri E. Solano E. Barrena M. Riede G. Morse |
Ključnе rеči: | Organic Solar Cells;Non-Fullerene Acceptors;crystal packing | Dаtum izdаvаnjа: | 21-авг-2022 | Izdаvаč: | The international society for optics and photonics | Prојеkаt: | Twinning for reaching sustainable scientific and technological excellence in the field of Green Electronics (GREENELIT) | Kоnfеrеnciја: | SPIE Optics + Photonics 2022 | Sažetak: | The efficiency of Organic Solar Cells (OSCs) has surpassed 18%, after a new generation of Non-Fullerene Acceptors (NFAs), the Y-series, was introduced to the field. These materials are characterised by high electron mobility, which is commonly attributed to its 3-dimensional packing motif in the single crystal. However, the bridge that links the NFA packing from single crystals to solar cells has not clearly been shown yet. In this work, we investigate the molecular organisation of a large body of NFAs, following the evolution of their packing motif in single-crystals, powder, and thin films made with pure NFAs and donor:NFA blends. We identified the most relevant packing motifs and polymorphs for the NFAs, discussing their role in the bulk heterojunction morphology, performance and charge transport, by combining experimental and theoretical approaches. | URI: | https://open.uns.ac.rs/handle/123456789/32641 | Prаvа: | Attribution-NonCommercial-NoDerivs 3.0 United States |
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