کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1492285 992375 2006 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
In situ chemical coprecipatation composition of hybrid precursors to red YVO4:Eu3+ and green LaPO4:Tb3+ phosphors
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
In situ chemical coprecipatation composition of hybrid precursors to red YVO4:Eu3+ and green LaPO4:Tb3+ phosphors
چکیده انگلیسی

In this paper, a modified in situ chemical coprecipitation technology with hybrid precursors was put forward and achieved the synthesis of YVO4:Eu3+ and LaPO4:Tb3+ phosphors. Rare earth coordination polymers with salicylic acid were used as precursors and composing with the polyvinyl alcohol (PVA) as dispersing media. Their microstructure and micromorphology have been analyzed by X-ray powder diffraction (XRD) and scanning electronic microscope (SEM), whose particle size was determined to be around 100–400 nm. Both YVO4:Eu3+ and LaPO4:Tb3+ exhibit the corresponding characteristic luminescence of Eu3+ and Tb3+ and concentration quenching effect takes place. The results suggest it is a candidate technology for the synthesis of rare earth vanadate and phosphate phosphors.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Research Bulletin - Volume 41, Issue 1, 5 January 2006, Pages 134–143
نویسندگان
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