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Preparation and characterisation of Ce:YAG -polycarbonate composites for white LED

المؤلفSaladino, Maria Luisa
المؤلفArmetta, Francesco
المؤلفSibeko, Motshabi A.
المؤلفLuyt, Adriaan S.
المؤلفChillura Martino, Delia F.
المؤلفCaponetti, Eugenio
تاريخ الإتاحة2017-03-01T09:52:24Z
تاريخ النشر2016-04-15
اسم المنشورJournal of Alloys and Compounds
المعرّفhttp://dx.doi.org/10.1016/j.jallcom.2016.01.009
الاقتباسMaria Luisa Saladino, Francesco Armetta, Motshabi A. Sibeko, Adriaan S. Luyt, Delia F. Chillura Martino, Eugenio Caponetti, Preparation and characterisation of Ce:YAG -polycarbonate composites for white LED, Journal of Alloys and Compounds, Volume 664, 15 April 2016, Pages 726-731
الرقم المعياري الدولي للكتاب09258388
معرّف المصادر الموحدhttp://www.sciencedirect.com/science/article/pii/S0925838816300093
معرّف المصادر الموحدhttp://hdl.handle.net/10576/5328
الملخصCe:YAG-polycarbonate composites were prepared with several amounts of Ce:YAG in the range 0.1–5 wt.% by using melt compounding. The structure and morphology of the composites were investigated by means of X-ray diffractometry and transmission electron microscopy. The optical properties of the composites were studied by using photoluminescence spectroscopy. The intermolecular interaction between the polymer and the filler surface was investigated using 13C cross-polarization magic-angle spinning NMR spectroscopy (13C {1H} CP-MAS NMR). The results showed that the dispersion of the particles in the polymer, and the optical properties, depend on the Ce:YAG amount. The composites were combined with a blue LED in order to test their performance in a white LED device. Results indicate that more suitable light is obtained using the Ce:YAG-PC composite loaded at 2 wt.%.
راعي المشروعThe authors acknowledge the University of Palermo, FFR 2012–2013 –ATE 0594 “Development of new methodologies for the synthesis and functionalization of nanoparticles with luminescence properties for advanced applications” and CORI2013 (Bando per la concessione di contributi per l'avvio e lo sviluppo di collaborazioni dell’Ateneo 2013- Azione D - prot. 32827 del 2/5/2013). NMR and TEM experimental data were provided by Centro Grandi Apparecchiature—UniNetLab—Universita' di Palermo funded by P.O.R. Sicilia 2000–2006, Misura 3.15 Azione C Quota Regionale. Student support was provided by the National Research ​Foundation in South Africa.
اللغةen
الناشرElsevier
الموضوعComposite materials
Surfaces and interfaces
Luminescence
Nanostructures
العنوانPreparation and characterisation of Ce:YAG -polycarbonate composites for white LED
النوعArticle
الصفحات726-731
رقم المجلد664


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