NDLI: Optical properties of thiophene-containing liquid crystalline and hybrid liquid crystalline materials

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Optical properties of thiophene-containing liquid crystalline and hybrid liquid crystalline materials

Content Provider	Semantic Scholar
Author	Romiszewski, Jerzy Puterová-Tokarová, Zita Mieczkowski, Józef Górecka, Ewa
Copyright Year	2014
Abstract	We report new mesogens made of thiophene and stilbene moieties as main building blocks that exhibit nematic and/or smectic phases. The liquid crystalline properties of their thiophene/azobenzene analogues have been found to be strongly suppressed compared to their thiophene/stilbene analogues. In twinned “bent-core” thiophene/azobenzene compound relatively strong fluorescence was found. A new hybrid material built of AuNPs coated with a thiophene-containing mesogenic ligand that forms a smectic phase is shown. In solutions of thiophene-mesogen coated AuNPs an unusual decrease of the ligand fluorescence decay rate was observed. Fluorescence lifetime increase is ascribed to two-point anchoring of ligand molecules resulting in molecule orientation tangential to the AuNP surface. UV-Visible absorption and fluorescence data of all synthesised compounds are presented.
Starting Page	2927
Ending Page	2934
Page Count	8
File Format	PDF HTM / HTML
DOI	10.1039/C4NJ00298A
Volume Number	38
Alternate Webpage(s)	http://www.rsc.org/suppdata/nj/c4/c4nj00298a/c4nj00298a1.pdf
Alternate Webpage(s)	https://pubs.rsc.org/en/content/getauthorversionpdf/C4NJ00298A
Alternate Webpage(s)	https://doi.org/10.1039/C4NJ00298A
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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