Abstract
AbstractOptical upconversion materials doped with lanthanides, such as Yb3+‐Er3+, Yb3+‐Ho3+, and Yb3+‐Tm3+ coped systems, have been intensively studied over the past two decades because they can convert long‐wavelength and low‐energy near‐infrared photons into short‐wavelength and high‐energy visible and UV light. Compared to these double‐doped systems, Pr3+‐doped inorganic materials are gradually gaining popularity and are expected to become a new hotspot in the field of upconversion materials research. However, comprehensive reviews of this issue are scarce. In this minireview, the basic characteristics of transitions of Pr3+ are briefly introduced. Next, it concentrates on strategies that have been explored for regulating the visible‐to‐UV upconversion efficiency. Subsequently, the potential applications of Pr3+‐doped visible‐to‐UV upconversion materials are summarized. Finally, the existing challenges and development trends are highlighted for Pr3+‐based visible‐to‐UV upconversion.
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