http://www.cnr.it/ontology/cnr/individuo/prodotto/ID233138
Alignment of Chromonic Liquid Crystals: A Difficult Task (Articolo in rivista)
- Type
- Label
- Alignment of Chromonic Liquid Crystals: A Difficult Task (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1080/15421406.2013.789393 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- C. M. TONE, M. P. DE SANTO, AND F. CIUCHI (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a CNR-IPCF UOS Cosenza c/o Physics Department , University of
Calabria , 87036 , Arcavacata di Rende (CS) , Italy
b Physics Department , University of Calabria , 87036 , Arcavacata di
Rende (CS) , Italy (literal)
- Titolo
- Alignment of Chromonic Liquid Crystals: A Difficult Task (literal)
- Abstract
- We present our recent effort on chromonic liquid crystal alignment. In particular, we
report the alignment behavior of chromonic molecules using different hydrophobic
substrates.
Different materials have been used to this purpose but in all cases ribbons textures
develop, indicating a slow water evaporation and/or a strong aggregation among
molecules, that, as reported in a recent paper, give rise to threads connected through salt
bridge bonds. Thin films of materials usually employed for thermotropic liquid crystals
alignment induce schlieren textures that after 10 days evolve into ribbon textures; thin
films of materials with a low surface energy orient molecules in homeotropic configuration,
but the alignment is lost after two weeks as in the case of degenerate planar
alignment. (literal)
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