DataVXAdvanced Materials TechnologiesPaper
journal article·2024-01Open access

Cr3+‐Yb3+‐Ni2+ Tri‐Doped NIR Phosphors with Spectral Output Covering NIR‐I and NIR‐II Regions

Lipeng Jiang, Liangliang Zhang, Xue Jiang, Jihuan Xie, Guocai Lv, Yanjing Su

Advanced Materials Technologies· Volume 9· Issue 2
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Source abstract

Abstract

Abstract To realize efficient and broadband near infrared (NIR) light in both NIR‐I and NIR‐II regions, Gd3Mg0.5Al1.5Ga2.5Ge0.5O12 (GMAGG): Cr3+, Yb3+, Ni2+ phosphors are prepared in this study. The effects of Cr3+‐Yb3+ co‐doping and Cr3+‐Yb3+‐Ni2+ tri‐doping on the luminescence properties are investigated. GMAGG: Cr3+, Yb3+ exhibits high internal quantum efficiency (IQE) of 96.4%, and near‐zero thermal quenching (96.5%@423 K) in 650–1100 nm. By constructing energy transfer from Cr3+ to Ni2+, the emission range of GMAGG: Cr3+, Yb3+, Ni2+ is further extended to 650–1700 nm with a high IQE of 28% and good thermal stability (66%@423 K). The NIR LEDs prepared with GMAGG: 0.04Cr3+, 0.008Yb3+, and GMAGG: 0.04Cr3+, 0.008Yb3+, 0.04Ni2+ exhibit 57.5 and 8.1 mW at an input current of 100 mA, respectively. The results show that GMAGG: Cr3+, Yb3+, Ni2+ is a promising NIR phosphor for NIR light sources.
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Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Luminescence and Fluorescent Materials · Perovskite Materials and Applications

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Affiliations

Beijing Advanced Innovation Center for Materials Genome Engineering Corrosion and Protection Center University of Science and Technology Beijing Beijing 100083 China

State Key Laboratory of Luminescence and Applications Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences Changchun 130033 China

Collaborative Innovation Center of Steel Technology University of Science and Technology Beijing Beijing 100083 China

School of Metallurgical and Ecological Engineering Beijing Key Laboratory for Green Recovery and Extraction of Rare and Precious Metals University of Science and Technology Beijing Beijing 100083 China

Basic Experimental Center of Natural Science University of Science and Technology Beijing Beijing 100083 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Fundamental Research Funds for the Central Universities

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