2022
DOI: 10.1016/j.saa.2022.121664
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Efficient dual mode emission in Ce3+/Yb3+/Er3+ doped yttrium aluminium gallium garnet for led device and optical thermometry

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Cited by 18 publications
(6 citation statements)
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“…It was proposed that the successful replacement of host lattice sites by the dopant ions is possible when the value of D r is less than 30%. 33 In this case, the ionic radii of host cations and dopants were: r h[Y 3+ ] (CN) = 0.101 nm (8), r h[Ga 3+ ] (CN) = 0.062 nm (6), and r h[Eu 3+ ] (CN) = 0.106 nm (8), r d[Yb 3+ ] (CN) = 0.098 nm (8), respectively. After calculating the value of D r using the previously mentioned details for different host-cation and dopant combinations it was found that the value of D r was less than 30% for Y 3+ , and greater than 30% for Ga 3+ .…”
Section: Resultsmentioning
confidence: 99%
“…It was proposed that the successful replacement of host lattice sites by the dopant ions is possible when the value of D r is less than 30%. 33 In this case, the ionic radii of host cations and dopants were: r h[Y 3+ ] (CN) = 0.101 nm (8), r h[Ga 3+ ] (CN) = 0.062 nm (6), and r h[Eu 3+ ] (CN) = 0.106 nm (8), r d[Yb 3+ ] (CN) = 0.098 nm (8), respectively. After calculating the value of D r using the previously mentioned details for different host-cation and dopant combinations it was found that the value of D r was less than 30% for Y 3+ , and greater than 30% for Ga 3+ .…”
Section: Resultsmentioning
confidence: 99%
“…For this upconversion emission spectra were recorded at various excitation powers. For upconversion emission process the emission intensity varies with pump power according to the relation I f P n , 7,8,27,28 where I is the upconversion emission intensity; P is the pump power and n is the number of photons involved in a particular emission. In Fig.…”
Section: Upconversion Spectroscopy Studiesmentioning
confidence: 99%
“…Inorganic materials doped with lanthanide ions have found tremendous applications across various elds like temperature sensing, bio-imaging, solar cells and security. [1][2][3][4][5][6][7][8][9][10] They have some unique features of converting NIR photons to intense visible or UV photons, atomic emissions like narrow line width and long lifetime. They are usually composed of a low phonon host matrix with suitable rare earth ions doped within it.…”
Section: Introductionmentioning
confidence: 99%
“…The energy transfer from Yb 3+ to other ions is effectively facilitated by the fact that the 2 F 7/2 → 2 F 5/2 transition of Yb 3+ is strongly resonant with the f–f transitions of common upconverting lanthanide ions including Er 3+ , Tm 3+ , and Ho 3+ . 20–24 Furthermore, the energy difference between the excited and the ground states of the Yb 3+ ion is roughly 10 000 cm −1 , which corresponds to the low-cost 980 nm laser diode excitation. To the best of our knowledge, the literature does not have any reports on the upconversion and optical thermometric characteristics of either monazite-type or zircon-type LaVO 4 codoped with Tm 3+ /Yb 3+ ions.…”
Section: Introductionmentioning
confidence: 99%