Photoorientation phenomena and structural properties of photochromic liquid crystalline azobenzene-containing polymethacrylate films with different spacer lengths

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F17%3A00478805" target="_blank" >RIV/68378271:_____/17:00478805 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1002/macp.201700127" target="_blank" >http://dx.doi.org/10.1002/macp.201700127</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/macp.201700127" target="_blank" >10.1002/macp.201700127</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Photoorientation phenomena and structural properties of photochromic liquid crystalline azobenzene-containing polymethacrylate films with different spacer lengths

Popis výsledku v původním jazyce

Azobenzene-containing liquid crystalline (LC) side-chain polymers belong to unique type of the “smart” macromolecular systems combining photochromism with self-assembly of chromophores and ability to form stable films, fibers and coatings. Two new azobenzene containing monomers were designed and characterized. Herein we describe synthesis and investigation of the phase behaviour and photo-optical properties of two chiral LC polymers with azobenzene-containing side groups having different spacer length. Irradiation by polarized light (457 nm) results in photoorientation process in polymer films consequential in significant alignment of the chromophores in direction perpendicular to the polarization plane of the incident light. A significant difference was found in thermal stability of the photoinduced alignment, an annealing of irradiated samples results in a slight decrease of dichroism values, whereas the dichroism increases for PMAzo-6 polymethacrylate.

Název v anglickém jazyce

Photoorientation phenomena and structural properties of photochromic liquid crystalline azobenzene-containing polymethacrylate films with different spacer lengths

Popis výsledku anglicky

Azobenzene-containing liquid crystalline (LC) side-chain polymers belong to unique type of the “smart” macromolecular systems combining photochromism with self-assembly of chromophores and ability to form stable films, fibers and coatings. Two new azobenzene containing monomers were designed and characterized. Herein we describe synthesis and investigation of the phase behaviour and photo-optical properties of two chiral LC polymers with azobenzene-containing side groups having different spacer length. Irradiation by polarized light (457 nm) results in photoorientation process in polymer films consequential in significant alignment of the chromophores in direction perpendicular to the polarization plane of the incident light. A significant difference was found in thermal stability of the photoinduced alignment, an annealing of irradiated samples results in a slight decrease of dichroism values, whereas the dichroism increases for PMAzo-6 polymethacrylate.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

21001 - Nano-materials (production and properties)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Macromolecular Chemistry and Physics

ISSN

1022-1352

e-ISSN

—

Svazek periodika

218

Číslo periodika v rámci svazku

16

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

10

Strana od-do

—

Kód UT WoS článku

000409029200001

EID výsledku v databázi Scopus

2-s2.0-85019650800