Trans-cis photoisomerization in nanostructured floating layers and X-Ray diffraction study of Langmuir-Schaefer films of Nonyloxypheyla-zocinnamic acidстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 10 июля 2019 г.
Аннотация:Azo-functionalised materials are of special interest due to their photochromic nature, i.e. reversible trans–cis isomerisation upon photoirradiation. The structure and properties of Langmuir monolayers of nonyloxyphenylazocinnamic acid (NOPACA) with and without exposure to UV-irradiation were studied. The NOPACA floating layer structure was determined by using a quantitative method of compression isotherm analysis. The results showed that the structure of two dimensional faceon M-nanoaggregates, the stable structural elements of floating monolayers, changes when exposed to UV-irradiation. Langmuir-Schaefer films of NOPACA were prepared by deposition of floating layers and studied using X-ray diffraction technique.