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Citation: Zishuo Yi, Peng Liu, Yan Xu. Fluorescent “Chameleon”: A Popular Science Experiment Based on Dynamic Luminescence[J]. University Chemistry, ;2024, 39(9): 304-310. doi: 10.12461/PKU.DXHX202311079 shu

Fluorescent “Chameleon”: A Popular Science Experiment Based on Dynamic Luminescence

Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China

Received Date: 23 November 2023
Revised Date: 5 January 2024

In this popular science experiment, the non-toxic ZnGa₂O₄:Bi³⁺ fluorescent material was prepared which has three mode luminescence properties including tunable multicolor emission, dynamic photochromic and thermochromic fluorescence properties. By utilizing the “chameleon-like” fluorescence characteristics of the material, we designed three kinds of display schemes for information security application. The experiment is not only interactive and interesting, but also has a good effect on popular science practice, which is helpful to stimulate students’ enthusiasm for learning chemistry, and help adolescents experience the rich connotation of “beautiful chemistry”.
- Dynamic luminescence,
- Photochromism,
- Thermochromism,
- Experiments of popularization of science,
- Anti-counterfeiting
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