Journal
SOFT MATTER
Volume 10, Issue 38, Pages 7588-7594Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4sm01051e
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Funding
- National Research Foundation (NRF) of Korea - Ministry of Education, Science and Technology (MEST), Republic of Korea [2012R1A2A2A01045017]
- National Research Foundation of Korea [2012R1A2A2A01045017] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Novel hexacatenar molecules based on a 1,2,3-triazole-extended aromatic rod self-assemble into crystalline monoclinic and liquid crystalline hexagonal columnar structures depending on temperature. The phase transition may involve a conformational change from an anisotropic transoid to a half-disk cisoid conformer upon melting. In a hexacatenar molecule with sixfold octyl chains, the crystal-to-LC transition accompanies a photoluminescence color change from sky blue to dark blue, which is attributed to the formation of higher-order aggregates in the crystalline state.
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