The Effect of pH on the Arrangement of 5CB Based Liquid Crystal Containing BDMT-Mercury Complex Using Polarized Optical Microscopy

The Effect of pH on the Arrangement of 5CB Based Liquid Crystal Containing BDMT-Mercury Complex Using Polarized Optical Microscopy

The pH effect on arrangement of a liquid crystal (LC) system was studied in short and rigid molecule (BDMT-Hg). 1,4-benzenedimethanethiol (BDMT) doped 4-cyano-4′-pentylbiphenyl (5CB) was spontaneously generated on n-octyltrichlorosilane (OTS)-treated glass. A homeotropic alignment of an LC system of...

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Veröffentlicht in:Chemistry letters 2018-04, Vol.47 (4), p.494-496
Hauptverfasser: Sharif, Aisyah Mohamad, Mahamod, Wan Rusmawati Wan, Abu Bakar, Norlaili, Rahim, Nurulsaidah Abdul, Mustafar, Suzaliza, Rosmi, Mohamad Saufi, Norazan, Muadz
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Liquid crystals
Mercury (metal)
Optical microscopy
pH
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Zusammenfassung:The pH effect on arrangement of a liquid crystal (LC) system was studied in short and rigid molecule (BDMT-Hg). 1,4-benzenedimethanethiol (BDMT) doped 4-cyano-4′-pentylbiphenyl (5CB) was spontaneously generated on n-octyltrichlorosilane (OTS)-treated glass. A homeotropic alignment of an LC system of BDMT-LC was observed under polarized optical microscope (POM) when using BDMT as low as 6% (w/v). A short and rigid BDMT-Hg complex was formed in liquid crystal system (BDMT-Hg/LC system) at pH 7–8 and exhibits cross-polarized images in 48 hours.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.171169