کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1258672 971630 2013 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effects of different ligands on luminescence properties of LaF3: Nd nanoparticles
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Effects of different ligands on luminescence properties of LaF3: Nd nanoparticles
چکیده انگلیسی

A series of neodymium-doped lanthanum fluoride nanoparticles (NPs) were synthesized with hydrothermal method, and the effects of several ligands on the luminescence properties of the NPs were investigated. The X-ray diffraction (XRD) results indicated that the crystal phases of the modified NPs coincided with the standard spectrum. The transmission electron microscopy (TEM) showed that the samples were of similar size, shape and dispersibility. The infrared spectra suggested that the content of –OH groups as quenchers on the NPs surfaces decreased after modification. Compared with NPs modified by branched paraffin ligands, NPs conjugating ring-contained modifiers had less quenching effect and possessed stronger fluorescence intensity and longer fluorescence lifetime.

Fluorescence spectra of the LaF3:Nd NPs modified by various ligands (1)Sodium dodecyl benzene sulfonate;(2)Sodium oleate;(3)Sodium stearateFigure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Rare Earths - Volume 31, Issue 7, July 2013, Pages 645–649
نویسندگان
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