ESR and optical study of photo-orientation in azobenzene-containing liquid-crystalline polymerстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 25 декабря 2013 г.
Аннотация:We report a comprehensive experimental study of photo-induced processes in azobenzene-containing liquid-crystalline polymer. The kinetic and optical characteristics of photoisomerization reaction and photo-orientation process have been determined. The spin probe technique has been used to elucidate the details of orientation order and rotational mobility of molecular fragments within the liquid-crystalline polymer. The evolution of orientation order parameters , and in the course of photo-induced ordering of the material, as well as the change of liquid-crystalline domain sizes have been studied quantitatively. The obtained experimental results are compared with the predictions of the existing models of photo-orientation.