Directional Crystallization of Conjugated Molecules during Coating Processes

The coating of organic molecules from the solution phase can result in directional crystal growth under certain conditions, even on a smooth isotropic surface and without the need of any kind of graphoexpitaxial preparation of the substrate. Based on reviewing the results from a variety of coating t...

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Bibliographic Details
Published inMolecules (Basel, Switzerland) Vol. 28; no. 14; p. 5371
Main Authors Smilgies, Detlef-M., Li, Ruipeng
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 13.07.2023
MDPI
Subjects
coating techniques
Coatings industry
Communication
conjugated molecules
Crystallization
Energy consumption
Equilibrium
Grain boundaries
MATERIALS SCIENCE
Reproducibility
Solvents
Technology application
Temperature
crystallization
coating techniques
conjugated molecules
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Summary:The coating of organic molecules from the solution phase can result in directional crystal growth under certain conditions, even on a smooth isotropic surface and without the need of any kind of graphoexpitaxial preparation of the substrate. Based on reviewing the results from a variety of coating techniques and coating parameters, we identified that it is crucial for the coating speed to match the growth speed of the fastest growing crystal plane to achieve a high degree of directional crystallization.
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SC0012704; DMR-1332208
National Science Foundation (NSF)
BNL-224953-2023-JAAM
USDOE Office of Science (SC), Basic Energy Sciences (BES)
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules28145371