Abstract

SiO<sub>2</sub>,MgO-codoped Al<sub>2</sub>O<sub>3</sub>−Ce:YAG composite ceramics with different Ce<sup>3+</sup> doping concentrations (0.05-0.3 at%) have been fabricated via reactive vacuum sintering, for the purpose of high power white light-emitting diodes (WLEDs). Optical and luminescence characteristics of color converters were investigated by transmittance spectra and photoluminescence examinations. It is found that WLEDs based on synthesized phosphors with 0.05-0.1 at% Ce<sup>3+</sup> doping have an optimal balance between high color-rendering index, luminous efficacy and appropriate correlated color temperature values.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.