journal article·2019-12Open access

Zero‐Thermal Quenching of Mn2+ Red Luminescence via Efficient Energy Transfer from Eu2+ in BaMgP2O7

Rui Shi, Lixin Ning, Zhiqiang Wang, Jiatang Chen, Tsun‐Kong Sham, Yan Huang, Zeming Qi, Cuijin Li, Qiang Tang, Hongbin Liang

Advanced Optical Materials· Volume 7· Issue 23

Abstract

Abstract Mn2+‐activated phosphors usually show green to red luminescence depending on the crystal field strength in the lattice. However, the severe intensity loss of Mn2+ luminescence at elevated temperatures remains to be a serious problem. Here, the observation of zero‐thermal quenching of Mn2+ red luminescence (λem = 620 nm) up to 500 K in Eu2+, Mn2+‐codoped BaMgP2O7 is reported. This phenomenon arises from an efficient energy transfer from sensitizers Eu2+ which, when singly doped, exhibits a substantial thermal‐induced enhancement of 5d→4f emission intensity at 400 nm, along with a high luminescence efficiency and a large UV light absorption capacity. The present results open up a new path to the exploration of Eu2+, Mn2+‐codoped materials for thermally stable red phosphors.
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Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Perovskite Materials and Applications · Microwave Dielectric Ceramics Synthesis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

MOE Key Laboratory of Bioinorganic and Synthetic Chemistry KLGHEI of Environment and Energy Chemistry State Key Laboratory of Optoelectronic Materials and Technologies School of Physics School of Chemistry Sun Yat‐sen University Guangzhou 510275 China

Anhui Key Laboratory of Optoelectric Materials Science and Technology Key Laboratory of Functional Molecular Solids Ministry of Education Department of Physics Anhui Normal University Wuhu Anhui 241000 China

Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research Soochow University–Western University Centre for Synchrotron Radiation Research The University of Western Ontario London Ontario N6A 5B7 Canada

Beijing Synchrotron Radiation Facility Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China

National Synchrotron Radiation Laboratory University of Science and Technology of China Hefei 230029 China

Funding

National Natural Science Foundation of China · China Postdoctoral Science Foundation · Natural Sciences and Engineering Research Council of Canada · U.S. Department of Energy · Office of Science · Argonne National Laboratory · University of Saskatchewan

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