کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1525411 1511841 2010 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis of Zn3(OH)2V2O7·nH2O hierarchical nanostructures and their photoluminescence properties
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
Synthesis of Zn3(OH)2V2O7·nH2O hierarchical nanostructures and their photoluminescence properties
چکیده انگلیسی
The controlled synthesis of Zn3(OH)2V2O7·nH2O hierarchical structures has been successfully realized in a large scale via a simple hydrothermal method. It was demonstrated that the morphologies of the final products are significantly affected by the quantity of hexamethylenetetramine, reaction temperature and reaction time. Optimum amount of sodium sulfate plays a crucial role in the development of crystallinity of the products. The morphology evolvement and the growth mechanism were discussed, and sulfate induced oriented attachment and temperature facilitated Ostwald ripening process were proposed for the possible formation mechanism. The structure and morphology of those products were characterized by X-ray diffraction (XRD), Raman spectrum, field-emission scanning electron microscopy (FE-SEM) equipped with energy dispersion spectrum (EDS). Furthermore, the photoluminescence properties of those products were researched. Excellent visible light emission ranging from 400 to 700 nm was exhibited via room temperature photoluminescence (PL) measurement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Chemistry and Physics - Volume 120, Issues 2–3, 15 April 2010, Pages 426-430
نویسندگان
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