کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1530755 | 995812 | 2008 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Preparation and photoluminescence of SrNb2O6 nanoparticles prepared by combustion method
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Pure and Mn-doped SrNb2O6 nanoparticles have been prepared by sol-gel combustion method using citric acid as fuel and complexing agent and nitrates as oxidants at a relatively low temperature compared to solid-state reaction method. X-ray diffraction (XRD) patterns of the pure SrNb2O6 samples show that the SrNb2O6 nanoparticles exhibited orthorhombic phase. Photoluminescence (PL) properties of all the undoped and Mn-doped samples were studied in detail. For the pure SrNb2O6 samples, a strong blue emission band centered at 442Â nm and two weak emission bands centered at 524Â nm and 626Â nm, respectively, can be observed. For the Mn-doped SrNb2O6 samples, no emission from Mn2+ was observed while the blue emission intensity of SrNb2O6 varied with the Mn-doping concentration. This novel PL characteristic of the doped samples was explained.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Materials Science and Engineering: B - Volume 150, Issue 1, 25 April 2008, Pages 66-69
Journal: Materials Science and Engineering: B - Volume 150, Issue 1, 25 April 2008, Pages 66-69
نویسندگان
Yuanyuan Zhou, Qian Ma, Mengkai Lü, Zifeng Qiu, Aiyu Zhang, Zhongsen Yang,