Highly efficient near-UV-excitable Ca2YHf2Al3O12:Ce3+,Tb3+ green-emitting garnet phosphors with potential application in high color rendering warm-white LEDs

Author:

Wang Shaoying1234,Devakumar Balaji5678,Sun Qi1234,Liang Jia1234,Sun Liangling1234,Huang Xiaoyong1234ORCID

Affiliation:

1. College of Physics and Optoelectronics

2. Taiyuan University of Technology

3. Taiyuan 030024

4. P. R. China

5. Department of Physics

6. Mohamed Sathak A.J. College of Engineering

7. Chennai 603103

8. India

Abstract

Novel near-UV-excitable Ca2YHf2Al3O12:Ce3+,Tb3+ green phosphors with a highest internal quantum efficiency of 86.6% and external quantum efficiency of 63.1% were reported for high-CRI warm-white LEDs.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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