AI Article Synopsis
- Skeletal polyhedral crystals are challenging to grow consistently due to their dynamic growth process, appearing naturally and in synthetic methods.
- The presented methodology facilitates controlled uniaxial growth of micrometer-sized skeletal single crystals using double-decker molecules, achieved through a drop-casting technique with heated ethanol on quartz.
- These crystals can self-assemble into specific shapes, maintain growth even after initial material is depleted, and can be structured into complex microarchitectures that function like tiny containers.
Article Abstract
Skeletal or concave polyhedral crystals appear in a variety of synthetic processes and natural environments. However, their morphology, size, and orientation are difficult to control because of their highly kinetic growth character. We report a methodology to achieve synchronous, uniaxial, and stepwise growth of micrometer-scale skeletal single crystals from planar-chiral double-decker molecules. Upon drop-casting of a heated ethanol solution onto a quartz substrate, the molecules spontaneously assemble into standing vessel-shaped single crystals uniaxially and synchronously over the wide area of the substrate, with small size polydispersity. The crystal edge is active even after consumption of the molecules and resumes stereoselective growth with successive feeding. The resultant morphology can be packed into polycyclic aromatic hydrocarbon-like microarchitectures and behaves as a microscopic container.
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| http://dx.doi.org/10.1126/science.abm9596 | DOI Listing |
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