YVO4:Nd3+ nanophosphors as NIR-to-NIR thermal sensors in wide temperature range
Ilya E. KolesnikovLappeenranta University of Technology LUT, Skinnarilankatu 34, 53850, Lappeenranta, Finland. [email protected]Alexey A. KalinichevSt. Petersburg State University, 7/9 Universitetskaya nab, 199034, St. Petersburg, RussiaMikhail A. KurochkinSt. Petersburg State University, 7/9 Universitetskaya nab, 199034, St. Petersburg, RussiaE.V. GolyevaPeter the Great St. Petersburg Polytechnic University, St. Petersburg, RussiaE. Yu. KolesnikovVolga State University of Technology, Lenin sqr. 3, 424000, Yoshkar-Ola, RussiaА. В. КурочкинSt. Petersburg State University, 7/9 Universitetskaya nab, 199034, St. Petersburg, RussiaE. LähderantaLappeenranta University of Technology LUT, Skinnarilankatu 34, 53850, Lappeenranta, FinlandМ. Д. МихайловScientific and Technological Institute of Optical Material Science, VNTs S. I. Vavilov State Optical Institute, Babushkina 36-1, 192171, St. Petersburg, Russia
2017en
ABI
Аннотация
Abstract We report on the potential application of NIR–to–NIR Nd 3+ -doped yttrium vanadate nanoparticles with both emission and excitation operating within biological windows as thermal sensors in 123–873 K temperature range. It was demonstrated that thermal sensing could be based on three temperature dependent luminescence parameters: the luminescence intensity ratio, the spectral line position and the line bandwidth. Advantages and limitations of each sensing parameter as well as thermal sensitivity and thermal uncertainty were calculated and discussed. The influence of Nd 3+ doping concentration on the sensitivity of luminescent thermometers was also studied.
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