Controlling structure and properties of vapor-deposited glasses of organic semiconductors: Recent advances and challenges
The past decade has seen great progress in manipulating the structure of vapor-deposited
glasses of organic semiconductors. Upon varying the substrate temperature during …
glasses of organic semiconductors. Upon varying the substrate temperature during …
Anisotropic vapor-deposited glasses: hybrid organic solids
Conspectus The term “organic solids” encompasses both crystals and glasses. Organic
crystals are commonly grown for purification and structure determination and are being …
crystals are commonly grown for purification and structure determination and are being …
MAIRS: Innovation of molecular orientation analysis in a thin film
Multiple-angle incidence resolution spectrometry (MAIRS), originally developed in our
group, is a unique spectroscopic technique for analyzing the structure of molecular …
group, is a unique spectroscopic technique for analyzing the structure of molecular …
Origin of anisotropic molecular packing in vapor-deposited Alq3 glasses
Anisotropic molecular packing is a key feature that makes glasses prepared by physical
vapor deposition (PVD) unique materials, warranting a mechanistic understanding of how a …
vapor deposition (PVD) unique materials, warranting a mechanistic understanding of how a …
Vapor-deposited glass structure determined by deposition rate–substrate temperature superposition principle
We show that deposition rate substantially affects the anisotropic structure of thin glassy
films produced by physical vapor deposition. Itraconazole, a glass-forming liquid crystal, was …
films produced by physical vapor deposition. Itraconazole, a glass-forming liquid crystal, was …
Using deposition rate and substrate temperature to manipulate liquid crystal-like order in a vapor-deposited hexagonal columnar glass
We investigate vapor-deposited glasses of a phenanthroperylene ester, known to form an
equilibrium hexagonal columnar phase, and show that liquid crystal-like order can be …
equilibrium hexagonal columnar phase, and show that liquid crystal-like order can be …
Organic glasses with tunable liquid-crystalline order
Liquid crystals (LCs) are known to undergo rapid ordering transitions with virtually no
hysteresis. We report a remarkable counterexample, itraconazole, where the nematic to …
hysteresis. We report a remarkable counterexample, itraconazole, where the nematic to …
Deep blue fluorescent material with an extremely high ratio of horizontal orientation to enhance light outcoupling efficiency (44%) and external quantum efficiency in …
A novel bis-4Ph-substituted 9, 10-dipehnylanthracene deep blue [1931 CIE (0.15, 0.08)]
fluorescent compound, AnB4Ph, has been synthesized and characterized for organic light …
fluorescent compound, AnB4Ph, has been synthesized and characterized for organic light …
Vapor deposition of a nonmesogen prepares highly structured organic glasses
We show that glasses with aligned smectic liquid crystal-like order can be produced by
physical vapor deposition of a molecule without any equilibrium liquid crystal phases …
physical vapor deposition of a molecule without any equilibrium liquid crystal phases …
Synergistic effect of polyvinyl alcohol and copovidone in itraconazole amorphous solid dispersions
Purpose The first objective is to evaluate the feasibility of melt-extruding polyvinyl alcohol-
based amorphous solid dispersions for oral drug delivery. The second objective is to …
based amorphous solid dispersions for oral drug delivery. The second objective is to …