Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions

The influence of anionic surfactant, sodium dodecyl sulphate (SDS), and cationic one, cetylpyridinium bromide (CPB), on aggregation behavior of squaraine dye Sq-2Me has been studied in aqueous solutions by optical spectroscopy. It has been found that the addition of surfactants at concentrations hig...

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Datum:2009
Hauptverfasser: Yefimova, S.L., Guralchuk, G.Ya., Lebed', A.S., Sorokin, A.V., Malyukin, Yu.V., Kurilchenko, I.Yu.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2009
Schriftenreihe:Functional Materials
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Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/138922
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions // S.L. Yefimova, G.Ya. Guralchuk, A.S. Lebed', A.V. Sorokin, Yu.V. Malyukin, I.Yu. Kurilchenko // Functional Materials. — 2009. — Т. 16, № 4. — С. 460-465. — Бібліогр.: 31 назв. — англ.

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spelling irk-123456789-1389222018-06-20T03:04:01Z Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions Yefimova, S.L. Guralchuk, G.Ya. Lebed', A.S. Sorokin, A.V. Malyukin, Yu.V. Kurilchenko, I.Yu. Characterization and properties The influence of anionic surfactant, sodium dodecyl sulphate (SDS), and cationic one, cetylpyridinium bromide (CPB), on aggregation behavior of squaraine dye Sq-2Me has been studied in aqueous solutions by optical spectroscopy. It has been found that the addition of surfactants at concentrations higher than critical micelle one CIIJ,TcyTeK<lJemr:u.T into a DMF-W (95 %) solution does not prevent the dye aggregation. The structure of Sq-2Me aggregates formed in SDS and CPB micelles is discussed using the exciton theory. The results show that the optical properties and the Sq-2Me aggregate structure can be tuned using interaction with surfactant micelles of different nature. У водних розчинах методами оптичної спектроскопії вивчено вплив аніонної (додецилсульфат натрію, SDS) та катіонної (цетилпіридиній бромід, СРВ) поверхнево-активних речовин (ПАР) на агрегацію сквараїнового барвника Sq-2Me. Встановлено, що додавання у бінарний розчин ДМФ-В (95 %) ПАР у концентрації, вищій за критичну концентрацію міцелоутворення, не перешкоджає агрегації барвника. Структуру агрегатів барвника Sq-2Me, що утворюються у міцелах ПАР, розглянуто у рамках екситонної теорії. Отримані результати дозволяють зробити висновок, що структурою агрегатів Sq-2Me можна керувати за допомогою ПАР різної хімічної будови. В водных растворах методами оптической спектроскопии изучено влияние анионного (додецилсульфат натрия, SDS) и катионного (цетилпиридиний бромид, СРВ) поверхностно- активных веществ (ПАВ) на агрегацию сквараинового красителя Sq-2Me. Обнаружено, что добавление в бинарный раствор ДМФ-В (95 %) ПАВ в концентрации выше критической концентрации мицеллообразования не препятствует агрегации красителя. Структура агрегатов красителя Sq-2Me, образованных в мицеллах SDS и СРВ, рассматривается в рамках экситонной теории. Полученные результаты позволяют сделать вывод о возможности управления структурой агрегатов Sq-2Me при помощи ПАВ разной химической природы. 2009 Article Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions // S.L. Yefimova, G.Ya. Guralchuk, A.S. Lebed', A.V. Sorokin, Yu.V. Malyukin, I.Yu. Kurilchenko // Functional Materials. — 2009. — Т. 16, № 4. — С. 460-465. — Бібліогр.: 31 назв. — англ. 1027-5495 http://dspace.nbuv.gov.ua/handle/123456789/138922 en Functional Materials НТК «Інститут монокристалів» НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Characterization and properties
Characterization and properties
spellingShingle Characterization and properties
Characterization and properties
Yefimova, S.L.
Guralchuk, G.Ya.
Lebed', A.S.
Sorokin, A.V.
Malyukin, Yu.V.
Kurilchenko, I.Yu.
Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions
Functional Materials
description The influence of anionic surfactant, sodium dodecyl sulphate (SDS), and cationic one, cetylpyridinium bromide (CPB), on aggregation behavior of squaraine dye Sq-2Me has been studied in aqueous solutions by optical spectroscopy. It has been found that the addition of surfactants at concentrations higher than critical micelle one CIIJ,TcyTeK<lJemr:u.T into a DMF-W (95 %) solution does not prevent the dye aggregation. The structure of Sq-2Me aggregates formed in SDS and CPB micelles is discussed using the exciton theory. The results show that the optical properties and the Sq-2Me aggregate structure can be tuned using interaction with surfactant micelles of different nature.
format Article
author Yefimova, S.L.
Guralchuk, G.Ya.
Lebed', A.S.
Sorokin, A.V.
Malyukin, Yu.V.
Kurilchenko, I.Yu.
author_facet Yefimova, S.L.
Guralchuk, G.Ya.
Lebed', A.S.
Sorokin, A.V.
Malyukin, Yu.V.
Kurilchenko, I.Yu.
author_sort Yefimova, S.L.
title Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions
title_short Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions
title_full Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions
title_fullStr Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions
title_full_unstemmed Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions
title_sort effects of surfactants on the molecular aggregation of squaraine dye sq-2me in aqueous solutions
publisher НТК «Інститут монокристалів» НАН України
publishDate 2009
topic_facet Characterization and properties
url http://dspace.nbuv.gov.ua/handle/123456789/138922
citation_txt Effects of surfactants on the molecular aggregation of squaraine dye Sq-2Me in aqueous solutions // S.L. Yefimova, G.Ya. Guralchuk, A.S. Lebed', A.V. Sorokin, Yu.V. Malyukin, I.Yu. Kurilchenko // Functional Materials. — 2009. — Т. 16, № 4. — С. 460-465. — Бібліогр.: 31 назв. — англ.
series Functional Materials
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first_indexed 2025-07-10T06:51:03Z
last_indexed 2025-07-10T06:51:03Z
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