Xuan Gao
(, ), Jing Feng
(, ), Li Miao
(, ), Kai Liu
(, ), Hongjie Zhang
(, )
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Rare earth nanocrystals with enhanced NIR-II luminescence
In recent years, fluorescent materials centered on the second near-infrared (NIR-II) window have emerged as a new research area of interest for prospective biomedical applications. Among the latest generation of NIR-II probes, rare earth nanocrystals (RE NCs) have distinguished themselves by their remarkable optical properties, such as high stability, large Stokes/anti-Stokes shift, a broad excitation spectral bandwidth, and a prolonged fluorescence lifetime. Particularly, via ingenious design and meticulous manipulation of the structure and composition, the energy transfer and photon transition during the luminescence process can be precisely regulated, thereby achieving substantial optimization of optical performance. In this review, we will briefly outline the NIR-II emission mechanism of RE NCs and focus on the luminescence enhancement strategies of the latest advancements, with the intention of furnishing valuable references for research in related fields.
期刊介绍：
Science China Materials (SCM) is a globally peer-reviewed journal that covers all facets of materials science. It is supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China. The journal is jointly published monthly in both printed and electronic forms by Science China Press and Springer. The aim of SCM is to encourage communication of high-quality, innovative research results at the cutting-edge interface of materials science with chemistry, physics, biology, and engineering. It focuses on breakthroughs from around the world and aims to become a world-leading academic journal for materials science.
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