Kinetic Peculiarities of Redox Reactions Sensitized by Colloidal CdS under Steady-State Irradiation. The Effect of Adsorption-Desorption Processes on the Reaction Научная публикация
Журнал |
Russian Chemical Bulletin
ISSN: 1066-5285 , E-ISSN: 1573-9171 |
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Вых. Данные | Год: 1995, Том: 44, Номер: 2, Страницы: 236-246 Страниц : 11 DOI: 10.1007/BF00702128 | ||
Ключевые слова | adsorption, cadmium sulfide, colloid, kinetics, photocatalyst, surfactant | ||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | Российский фонд фундаментальных исследований | 93-03-4816 |
Реферат:
Photoreduction of Methyl Orange dye (MOr) by sodium sulfide was studied under steady-state photolysis (λ = 365 nm). The reaction was sensitized by the CdS colloid with the characteristic ∼5-nm particle size. The quantum yield of the reaction is independent of the light intensity when the latter is less than 5 mW cm−2. The form of the dependence of the initial quantum yield of the reaction on [MOr] coincides qualitatively with the adsorption isotherm of the dye on the CdS surface. The reaction kinetics under steady-state irradiation were analyzed. The kinetics in solution as a whole are shown to be adequate to those on a single colloidal particle. On the basis of the experimental data, two types of surfaces of the colloidal particles are suggested (“open” and “covered” with macromolecules of a colloid stabilizer), which significantly differ in the rate at which they establish an adsorption-desorption equilibrium with the solution.
Библиографическая ссылка:
Martʹyanov I.N.
, Savinov E.N.
, Parmon V.N.
Kinetic Peculiarities of Redox Reactions Sensitized by Colloidal CdS under Steady-State Irradiation. The Effect of Adsorption-Desorption Processes on the Reaction
Russian Chemical Bulletin. 1995. V.44. N2. P.236-246. DOI: 10.1007/BF00702128 WOS Scopus РИНЦ
Kinetic Peculiarities of Redox Reactions Sensitized by Colloidal CdS under Steady-State Irradiation. The Effect of Adsorption-Desorption Processes on the Reaction
Russian Chemical Bulletin. 1995. V.44. N2. P.236-246. DOI: 10.1007/BF00702128 WOS Scopus РИНЦ
Оригинальная:
Мартьянов И.Н.
, Савинов Е.Н.
, Пармон В.Н.
Кинетические особенности окислительно-восстановительных реакций, сенсибилизированных коллоидом CdS, в условиях стационарного облучения. Влияние адсорбционно-десорбционных процессов на ход реакции
Известия Академии наук. Серия химическая. 1995. №2. С.244-254. РИНЦ
Кинетические особенности окислительно-восстановительных реакций, сенсибилизированных коллоидом CdS, в условиях стационарного облучения. Влияние адсорбционно-десорбционных процессов на ход реакции
Известия Академии наук. Серия химическая. 1995. №2. С.244-254. РИНЦ
Даты:
Поступила в редакцию: | 3 февр. 1994 г. |
Опубликована в печати: | 1 февр. 1995 г. |
Идентификаторы БД:
Web of science | WOS:A1995RG57500004 |
Scopus | 2-s2.0-21844503188 |
РИНЦ | 19003871 |
OpenAlex | W1991279097 |