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- Title
Designing Organic π‐Conjugated Molecules for Crystalline Solid Solutions: Adamantane‐Substituted Naphthalenes.
- Authors
Herbert, Benedikt; Walpuski, Janis; Stolte, Matthias; Shoyama, Kazutaka
- Abstract
We showcase herein organic crystalline solid solutions (CSSs) based on the simplest polycyclic aromatic hydrocarbon (PAH) scaffold, naphthalene, stabilized by dispersion forces induced by adamantane substitution. High thermal stability of the host and guest molecules synthesized by cross‐coupling of dibromonaphthalene derivatives and 4‐(1‐adamantyl)phenyl boronic ester enabled formation of crystals by sublimation. We could generate binary monocrystalline solid solution systems proven by X‐ray crystallography, the first system of designed CSSs stabilized exclusively via dispersion forces with structural evidence. These observations are additionally supported by lattice energy calculations and spectroscopic examinations. For the generation of CSSs, it is of utmost importance that the host and guest molecules have similar lattice energies and spatial compatibility. We anticipate that the thermostable organic CSS design demonstrated herein would be beneficial for functional materials and further investigation towards materials with unique properties.
- Subjects
CRYSTALS; SOLID solutions; SINGLE crystals; POLYCYCLIC aromatic hydrocarbons; NAPHTHALENE; NAPHTHALENE derivatives
- Publication
ChemPlusChem, 2024, Vol 89, Issue 6, p1
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.202300761