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journal article·2023-05-01Open access

Anomalous power-dependent color tuning of Er upconverting luminescence via 1530 nm excitation

Xinyu Wang, Boyang Li, Raza Syed Muhammad Ehtesham, Ye Tian, Dongyu Li, Lu Liu, Haili Jiang, Fuqiang Jiang

AIP Advances· Volume 13· Issue 5
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Source abstract

Abstract

The upconversion color tuning of Lanthanide ions usually requires complex core–shell structures and excitation configurations. This work presents simple Er3+ doped Yttria phosphors capable of color change through the manipulation of 1530 nm excitation intensity. Compared to the reported results of Er3+ color change from green to red with the increase in excitation intensity, the formed color-tunable phosphors show an inverse change of red to green. The color tuning mechanisms are attributed to the competition between the upward absorption and the downward decay at the Er3+ intermediate state. Finally, the potential applications of the formed color-tunable phosphors are demonstrated. This work provides a simple solution for high-performance upconversion color tuning and thus shows wide application prospects.
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Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Luminescence and Fluorescent Materials · Radiation Detection and Scintillator Technologies

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

Affiliations

College of Physics and Optoelectronic Engineering, Harbin Engineering University 1 , Harbin 150001, People’s Republic of China

Advanced LED Technology and Utilization Institute, Lingnan Normal University 2 , Zhanjiang 524048, China

Funding

Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · Natural Science Foundation of Heilongjaing Province · Special Projects in Key Areas of Rural Rejuvenation of Guangdong Higher Education Institution · Science an Technology Program of Zhanjiang

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