Influence of the Ce:YAG Amount on Structure and Optical Properties of Ce:YAG-PMMA Composites for White LED-Reference-Cited by-同舟云学术

Influence of the Ce:YAG Amount on Structure and Optical Properties of Ce:YAG-PMMA Composites for White LED

Published:2016-04-05 Issue:9 Volume:230 Page:1219-1231
ISSN:0942-9352
Container-title:Zeitschrift für Physikalische Chemie
language:en
Short-container-title:

Author:

Armetta Francesco,Sibeko Motshabi A.¹,Luyt Adriaan S.²,Chillura Martino Delia F.³,Spinella Alberto⁴,Saladino Maria Luisa

Affiliation:

1. Department of Chemistry, University of the Free State (Qwaqwa Campus), Private Bag X13, Phuthaditjhaba, 9866, South Africa

2. Center for Advanced Materials, Qatar University, PO Box 2713, Doha, Qatar

3. Dipartimento Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche – STEBICEF and INSTM UdR – Palermo, Università di Palermo, Parco d' Orleans II, Viale delle Scienze pad.17, Palermo I-90128, Italy

4. Centro Grandi Apparecchiature-ATeN Center, Università di Palermo, Via F.Marini 14, Palermo I-90128, Italy

Abstract

Abstract Ce:YAG-poly(methyl methacrylate) (PMMA) composites were prepared by using a melt compounding method, adding several amounts of Ce:YAG in the range 0.1–5 wt. %. The optical properties of the obtained composites and of the composites combined with a blue LED were measured to investigate the effect of the amount of Ce:YAG on the resulting emitted light in view of possible application in white LED manufacture. An increase in Ce:YAG amount caused an increase in the emission and a shift of 15 nm, influencing the white LED performance. The structure and morphology of the composites were studied. The results show that the interaction between the two components, observed by using solid state NMR experiments, are the responsible for the observed shift.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/zpch-2015-0703/pdf

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