Single crystal growth in spin-coated films of polymorphic phthalocyanine derivative under solvent vapor
Source abstract
Abstract
The effects of solvent vapor on spin-coated films of a polymorphic phthalocyanine derivative were investigated. Growth of single crystal films via redissolving organic films under solvent vapor was revealed by in situ microscopic observations of the films. X-ray diffraction measurement of the films after exposing to solvent vapor revealed the phase transition of polymorphs under solvent vapor. The direction of crystal growth was clarified by measuring the crystal orientation in a grown monodomain film. The mechanism of crystal growth based on redissolving organic films under solvent vapor was discussed in terms of the different solubilities of the polymorphs.
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Research context
OpenAlex topics: Fluid Dynamics and Thin Films · Liquid Crystal Research Advancements · Block Copolymer Self-Assembly
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Affiliations
Osaka University Division of Electrical, Electronic, and Information Engineering, Graduate School of Engineering, , Suita, Osaka 565-0871, Japan
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