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Structural, optical,electrical andphotocatalyticproperties ofmanganese doped zincoxide nanocrystals Dongfang Zhang2012 год

Structural, optical, electrical and photocatalytic properties of manganese doped zinc oxide nanocrystals
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База данных: Каталог библиотеки СФУ (D72)
Библиографическое описание: Dongfang Zhang. Structural, optical, electrical and photocatalytic properties of manganese doped zinc oxide nanocrystals / Dongfang Zhang. - (Физическая химия нанокластеров и наноматериалов). - Текст : непосредственный // Журнал физической химии. - 2012. - Т. 86, № 1. - С. 101-106. - Библиогр.: c. 106 (16 назв. ). - ISSN 0044-4537.
Аннотация: Manganese-doped and undoped ZnO nanocrystals were synthesized via wet-chemical methods. The structure, physico-chemical, electrical and optical properties of the as-prepared products were characterized by using the X-ray diffraction (XRD), UV-vis diffuse reflectance spectroscopy (DRS), photoluminescence spectroscopy (PLS) and electrochemical impedance spectroscopy (EIS) techniques. The photocatalytic activity of Mn-doped ZnO nanocrystal (mixed phases) has been examined under the visible-irradiation by using photocatalytic oxidation of rhodamine B (RhB) dye as a model reaction, and compared with that of known system such as pure ZnO nanocrystal (single-phase). The results showed that Mn doped ZnO nanocrystals bleaches RhB much faster than undoped ZnO upon its exposure to the visible light. The enhancement of the photocatalytic activity was discussed as an effect due to the Mn doping in the Mn-doped ZnO semiconductors, which shifts the optical absorption edge to the visible region and alters the electron-hole pair separation conditions. These factors are responsible for the higher photocatalytic performance of Mn/ZnO composites.
Год издания: 2012
Авторы: Dongfang Zhang
Источник: Журнал физической химии
Выпуск: Т. 86, № 1
Номера страниц: 101-106
Количество экземпляров:
  • Абонемент научной литературы (пр. Свободный, 79, Б1-14): свободно 1 из 1 экземпляров

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