Setembro 2013 vol. 1 num. 1 - Brazilian Meeting on Organic Synthesis 2011

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Columnar mesophases from nondiscoid luminescent mesogens containing 1,3,4-oxadiazole

Ferreira, Marli ; Vieira, André A. ; Westphal, Eduard ; Ballottin, Mariana V. ; Tuzimoto, Patricia ; Bechtold, Ivan H. ; Gallardo., Hugo ;

Abstract:

Discotic liquid crystals (DLCs) are typically described as disc-shaped molecules with rigid aromatic core and flexible peripheral chains. However, many nondiscoid molecules such as halfdisc shaped have been studied considerably in an attempt to develop new types of core architecture for forming columnar mesophases. Heterocyclic oxadiazoles have been extensively studied for a long time due to their high thermal and chemical stability and high photoluminescence quantum yield. Derivatives of this heterocycle are strong candidates for technological applications, particularly as emitters for optical devices or charge transporters for OLEDs. In this work, the synthesis of a new class of nondiscoid mesogens containing 1,3,4-oxadiazole and the study regarding the relationship between chemical structure and mesomorphic behavior, thermal and optical properties is reported

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Palavras-chave: 1, 3, 4-oxadiazoles, luminescence, columnar mesophases,

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DOI: 10.5151/chempro-14bmos-R0017-1

Referências bibliográficas
  • [1] 1-Gihm, S. H. et. al. J. Mol. Struct. 2010, 984, 37
  • [2] 2- Paraskos, A. J. et. al.. Mol. Cryst. Liq. Cryst. 2004, 411, 363.
  • [3] 3-Kishikawa, K. et. al. J. Am. Chem. Soc. 2002, 124, 1598.
  • [4] 4- Srivastava, R. M. et. al. Liq. Cryst. 2008, 35, 737.
Como citar:

Ferreira, Marli; Vieira, André A.; Westphal, Eduard; Ballottin, Mariana V.; Tuzimoto, Patricia; Bechtold, Ivan H.; Gallardo., Hugo; "Columnar mesophases from nondiscoid luminescent mesogens containing 1,3,4-oxadiazole", p. 17 . In: In Blucher Chemistry Proceedings, São Paulo, v. 1, n. 1, Setembro.2013. São Paulo: Blucher, 2013.
ISSN 2318-4043, DOI 10.5151/chempro-14bmos-R0017-1

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