Boltzmann- and Non-Boltzmann-Based Thermometers in the First, Second and Third Biological Windows for the SrF2:Yb3+, Ho3+ Nanocrystals Under 980, 940 and 915 nm Excitations

Boltzmann- and Non-Boltzmann-Based Thermometers in the First, Second and Third Biological Windows for the SrF2:Yb3+, Ho3+ Nanocrystals Under 980, 940 and 915 nm Excitations

Abstract Spectrally determination of temperature based on the lanthanide-doped nanocrystals (NCs) is a vital strategy to noninvasively measure the temperature in practical applications. Here, we synthesized a series of SrF2:Yb3+/Ho3+ NCs and simultaneously observed the efficient visible upconversion...

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Bibliographic Details
Main Authors: Linxuan Wang, Liang Li, Maohui Yuan, Zining Yang, Kai Han, Hongyan Wang, Xiaojun Xu
Format: Article
Language:English
Published: SpringerOpen 2022-08-01
Series:Nanoscale Research Letters
Subjects:
NIR luminescence
Non-thermally coupled energy levels
Wide range temperature sensing
Tri-wavelength excitations
Online Access:https://doi.org/10.1186/s11671-022-03718-z

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