Next generation lanthanide doped nanoscintillators and photon converters
نویسندگان
چکیده
Abstract Scintillators are of significance for the realization indirect X-ray detection and excited optical luminescence (XEOL) imaging. However, commercial bulk scintillators not only require complex fabrication procedures, but also exhibit non-tunable XEOL wavelength poor device processability. Moreover, thick crystals usually generate light scattering followed by evident signal crosstalk in a photodiode array. Lanthanide doped fluoride nanoscintillators (NSs) prepared with low-temperature wet-chemical method possess several advantages, such as low toxicity, cheap cost, convenient processability adjustable emission wavelengths from ultraviolet to visible extending second near infrared window. In addition, they long persistent (XEPL) making them suitable broadening scope their applications. This review discusses summarizes XEPL characteristics lanthanide NSs. We discuss design strategies nanostructures that allow manipulation excitation dynamics core–shell geometry simultaneously produce XEOL, XEPL, well photon upconversion downshifting, enabling at multiple varying time scale profile. The ends discussion existing challenges advancing this field, presents our subjective insight into areas further multidisciplinary opportunities.
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ژورنال
عنوان ژورنال: eLight
سال: 2022
ISSN: ['2662-8643']
DOI: https://doi.org/10.1186/s43593-022-00024-0