材料科学
荧光粉
发光
兴奋剂
持续发光
光致发光
荧光
光电子学
分析化学(期刊)
热释光
发射光谱
作者
Li Yang,Shifeng Zhou,Yiyang Li,Kaniyarakkal Sharafudeen,Zhijun Ma,Guoping Dong,Mingying Peng,Jianrong Qiu
摘要
A phosphor with remarkable long persistent luminescence features, Zn3Ga2Sn1O8:0.5 Cr3+, suitable for deep and reproducible tissue imaging has been rationally designed and successfully fabricated. This phosphor shows bright and long persistent luminescence over 300 h in the near-infrared region, and permits an enabling long-term, reproducible, real-time and reliable structural imaging of deep tissues. Moreover, the revived luminescence and persistent luminescence under the excitation of near-infrared incoherent light are also demonstrated to reveal an optional multiplexed detection. This new luminescent indicator will allow repeatable visualization of the structural and functional processes in cells, tissues and other complex systems. In addition, multifarious and systematic investigations are successfully carried out to unravel the nature of traps and also to verify the rationality of the material design.
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