Journal
SOFT MATTER
Volume 11, Issue 18, Pages 3629-3636Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5sm00463b
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Funding
- Science and Engineering Board (SERB), DST, Government of India [SB/S1/PC-37/2012]
- BRNS-DAE [2012/34/31/BRNS/1039]
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A new class of N-annulated perylene tetraesters and their N-alkylated derivatives has been synthesized. N-Annulated perylene tetraesters stabilize a hexagonal columnar phase over a broad temperature range. The hexagonal columnar phase exhibited by these compounds shows good homeotropic alignment with few defects. Annulation in the bay region of the perylene tetraesters enhanced the width of the mesophase compared with the parent tetraesters. N-Alkylation of these compounds perturbed the self-assembly behaviour and the resulting compounds were non-mesomorphic. A bright green luminescence was visible under long wavelength UV light. These properties suggest that these materials may have promising applications in organic electronics.
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