ArticleProceedings of the National Academy of Sciences of the United States of America2014
Mesoscale molecular network formation in amorphous organic materials.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
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- Dynamics of disorder in mixed ionic-electronic transport in cross-linked non-conjugated redox polymers.Materials horizons · 2025Article
- Perpendicular crossing chains enable high mobility in a noncrystalline conjugated polymer.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Controlling swelling in mixed transport polymers through alkyl side-chain physical cross-linking.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Delocalised kinetic Monte Carlo for simulating delocalisation-enhanced charge and exciton transport in disordered materials.Chemical science · 2020Article
- Photophysical implications of ring fusion, linker length, and twisting angle in a series of perylenediimide-thienoacene dimers.Chemical science · 2020Article
- New frontiers for the materials genome initiative.npj computational materials · 2019Article
- Eigenvector centrality for characterization of protein allosteric pathways.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Closely packed, low reorganization energy π-extended postfullerene acceptors for efficient polymer solar cells.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
- Visualizing excitations at buried heterojunctions in organic semiconductor blends.Nature materials · 2017Article
- Charge transport network dynamics in molecular aggregates.Proceedings of the National Academy of Sciences of the United States of America · 2016Article
- Molecular helices as electron acceptors in high-performance bulk heterojunction solar cells.Nature communications · 2015Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
High-performance solution-processed organic semiconductors maintain macroscopic functionality even in the presence of microscopic disorder. Here we show that the functional robustness of certain organic materials arises from the ability of molecules to create connected mesoscopic electrical networks, even in the absence of periodic order. The hierarchical network structures of two families of important organic photovoltaic acceptors, functionalized fullerenes and perylene diimides, are analyzed using a newly developed graph methodology. The results establish a connection between network robustness and molecular topology, and also demonstrate that solubilizing moieties play a large role in disrupting the molecular networks responsible for charge transport. A clear link is established between the success of mono and bis functionalized fullerene acceptors in organic photovoltaics and their ability to construct mesoscopically connected electrical networks over length scales of 10 nm.
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