Journal
LANGMUIR
Volume 38, Issue 17, Pages 5149-5155Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.1c02238
Keywords
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Funding
- Japan Society of the Promotion of Science [19H04312]
- Grants-in-Aid for Scientific Research [19H04312] Funding Source: KAKEN
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This study successfully fabricated supramolecular microstructures with highly regulated molecular arrangements using a simple precipitation technique with common solvents. The use of 2-Me-α-CD resulted in the formation of vertically aligned hexagonal microrods, providing insights into the design of supramolecular building blocks for controlled self-assembly.
Precisely controlling self-assembled molecules to fabricate highly ordered nano/microstructures is a challenging task. Here, a simple precipitation technique with common solvents forms supramolecular microstructures with highly regulated moleculararrangements from a methylated derivative of alpha-cyclodextrin at the 2-Oposition (2-Me-alpha-CD). The formation of a head-to-tailchannel assembly of 2-Me-alpha-CD through host-guest complexation with a solvent molecule such as benzene or cyclohexane yieldswell-defined hexagonal microrods. Specifically, the self-assembly of 2-Me-alpha-CD forms vertically aligned hexagonal microrods on ahighly ordered pyrolytic graphite (HOPG) surface via epitaxial growth. This work should provide insight into the design of supramolecular building blocks for controlled self-assembly
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