Recent advances on morphological changes in chemically engineered rare earth doped phosphor materials

RS Yadav, SB Rai, SJ Dhoble - Progress in Solid State Chemistry, 2020 - Elsevier
The photoluminescent phosphor materials nowadays are extremely important source of light
to fulfill the technological demand over the conventional light source for eco-friendly …

Enhanced photoluminescence in Tm3+, Yb3+, Mg2+ tri-doped ZnWO4 phosphor: Three photon upconversion, laser induced optical heating and temperature sensing

RS Yadav, SJ Dhoble, SB Rai - Sensors and Actuators B: Chemical, 2018 - Elsevier
Three photon upconversion photoluminescence has been observed in Tm 3+, Yb 3+ co-
doped ZnWO 4 phosphor synthesized through solid state reaction method. The structural …

Upconversion and downshifting emissions of Ho3+-Yb3+ co-doped ATiO3 perovskite phosphors with temperature sensing properties in Ho3+-Yb3+ co-doped BaTiO3 …

P Singh, RS Yadav, P Singh, SB Rai - Journal of Alloys and Compounds, 2021 - Elsevier
In this work, we report a comparative study on upconversion and downshifting properties of
Ho 3+-Yb 3+ co-doped ATiO 3 (A= Ca, Ba & Sr) perovskite phosphors for the first time. The …

NIR light guided enhanced photoluminescence and temperature sensing in Ho3+/Yb3+/Bi3+ co-doped ZnGa2O4 phosphor

Monika, RS Yadav, A Rai, SB Rai - Scientific Reports, 2021 - nature.com
The conversion of NIR light into visible light has been studied in Ho3+/Yb3+/Bi3+ co-doped
ZnGa2O4 phosphor for the first time. The crystallinity and particles size of the phosphor …

Toward efficient dye degradation and the bactericidal behavior of Mo-doped La 2 O 3 nanostructures

M Ikram, N Abid, A Haider, A Ul-Hamid, J Haider… - Nanoscale …, 2022 - pubs.rsc.org
In this study, different concentrations (0, 0.02, 0.04, and 0.06 wt%) of Mo doped onto La2O3
nanostructures were synthesized using a one-pot co-precipitation process. The aim was to …

Yb3+/Tm3+ and Yb3+/Ho3+ doped NaY9 (SiO4) 6O2 phosphors: upconversion luminescence processes, temperature-dependent emission spectra and optical …

J Zhang, J Chen, Y Zhang, S An - Journal of Alloys and Compounds, 2021 - Elsevier
The improvement of sensitivity is an important issue for optical temperature-sensing
materials. In this work, a series of oxide-based upconversion phosphors were designed by a …

Concentration and pump power-mediated color tunability, optical heating and temperature sensing via TCLs of red emission in an Er 3+/Yb 3+/Li+ co-doped ZnGa 2 O …

RS Yadav, A Bahadur, SB Rai - RSC advances, 2019 - pubs.rsc.org
Intense red upconversion luminescence was observed in the Er3+/Yb3+/Li+ co-doped
ZnGa2O4 phosphor synthesized through the solid state reaction method for the first time …

Coupled and non-coupled high sensitivity multi-mode ratiometric thermometry of Ho3+/Er3+/Yb3+ tri-doped YP0. 5V0. 5O4 phosphors

F Ayachi, K Saidi, K Soler-Carracedo… - Journal of Alloys and …, 2023 - Elsevier
Abstract Luminescent YP 0.5 V 0.5 O 4 (YPVO) nanoparticle tri-doped with 2% Er 3+, 15%
Yb 3+ and 1% Ho 3+ were successfully synthesized via a sol gel reaction for their …

Realizing enhanced downconversion photoluminescence and high color purity in Dy3+ doped MgTiO3 phosphor in presence of Li+ ion

RS Yadav, E Rai, LP Purohit, SB Rai - Journal of Luminescence, 2020 - Elsevier
Abstract The Dy 3+, Li+ co-doped MgTiO 3 phosphor has been successfully synthesized
through a high temperature solid state reaction method. The structural measurement …

Intense green photoluminescence and upconversion-based intrinsic optical bistability in Ho3+/Yb3+ codoped CaSc2O4 and upconversion in Ho3+/Yb3+ codoped …

P Tadge, IR Martín, SB Rai, S Sapra, TM Chen… - Journal of …, 2022 - Elsevier
The present study details the downshifting, frequency upconversion and intrinsic optical
bistability in CaSc 2 O 4: Ho 3+/Yb 3+ and upconversion in CaY 2 O 4: Ho 3+/Yb 3+ …