ArticleProceedings of the National Academy of Sciences of the United States of America2021
Surface equilibration mechanism controls the molecular packing of glassy molecular semiconductors at organic interfaces.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 23 citations in OpenAlex.
- Is the Future of Materials Amorphous? Challenges and Opportunities in Simulations of Amorphous Materials.ACS physical chemistry Au · 2025Review
- High-density stable glasses formed on soft substrates.Nature materials · 2024Article
- Orientation distributions of vacuum-deposited organic emitters revealed by single-molecule microscopy.Nature communications · 2023Article
- Composition Dictates Molecular Orientation at the Heterointerfaces of Vapor-Deposited Glasses.JACS Au · 2023Article
- Influence of Surface Roughness on the Dynamics and Crystallization of Vapor-Deposited Thin Films.The journal of physical chemistry. B · 2022Article
- Surface equilibration mechanism controls the molecular packing of glassy molecular semiconductors at organic interfaces.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
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Authors and funding
4 authors at 2 institutions in 1 country.
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Abstract
Glasses prepared by physical vapor deposition (PVD) are anisotropic, and the average molecular orientation can be varied significantly by controlling the deposition conditions. While previous work has characterized the average structure of thick PVD glasses, most experiments are not sensitive to the structure near an underlying substrate or interface. Given the profound influence of the substrate on the growth of crystalline or liquid crystalline materials, an underlying substrate might be expected to substantially alter the structure of a PVD glass, and this near-interface structure is important for the function of organic electronic devices prepared by PVD, such as organic light-emitting diodes. To study molecular packing near buried organic-organic interfaces, we prepare superlattice structures (stacks of 5- or 10-nm layers) of organic semiconductors, Alq3 (Tris-(8-hydroxyquinoline)aluminum) and DSA-Ph (1,4-di-[4-(N,
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