Thermally stable and highly efficient red-emitting Eu3+-doped Cs3GdGe3O9 phosphors for WLEDs: non-concentration quenching and negative thermal expansion

Peipei Dang; Guogang Li; Xiaohan Yun; Qianqian Zhang; Dongjie Liu; Hongzhou Lian; Mengmeng Shang; Jun Lin

doi:10.1038/s41377-021-00469-x

Light: Science & Applications (Feb 2021)

Thermally stable and highly efficient red-emitting Eu3+-doped Cs3GdGe3O9 phosphors for WLEDs: non-concentration quenching and negative thermal expansion

Peipei Dang,
Guogang Li,
Xiaohan Yun,
Qianqian Zhang,
Dongjie Liu,
Hongzhou Lian,
Mengmeng Shang,
Jun Lin

Affiliations

Peipei Dang: State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
Guogang Li: Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences
Xiaohan Yun: Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences
Qianqian Zhang: State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
Dongjie Liu: State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
Hongzhou Lian: State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences
Mengmeng Shang: School of Material Science and Engineering, Shandong University
Jun Lin: State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences

DOI: https://doi.org/10.1038/s41377-021-00469-x
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 13

Abstract

Read online

A highly efficient red-emitting Cs3EuGe3O9 phosphor for high-performance pc-WLEDs is discovered with non-concentration quenching, favourable thermal stability, high colour purity and negative thermal expansion.

Published in Light: Science & Applications

ISSN: 2047-7538 (Online)
Publisher: Nature Publishing Group
Country of publisher: United Kingdom
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: https://www.nature.com/lsa/

About the journal