Microwave-assisted synthesis of GdOF: Eu3+/Tb3+ ultrafine phosphor powders suitable for advanced forensic and security ink applications

JS Revathy, M Abraham, G Jagannath… - Journal of Colloid and …, 2023 - Elsevier
The rare-earth-doped inorganic ultrafine oxyfluoride host matrices in forensic science,
especially in latent fingerprint detection and anti‐counterfeiting applications, were still …

Enhanced photoluminescence and abnormal temperature dependent photoluminescence property of SrWO4: Dy3+ phosphor by the incorporation of Li+ ion

R Gopal, A Kumar, J Manam - Materials Chemistry and Physics, 2021 - Elsevier
Ceramic phosphors of pure, Dy 3+ doped, and Li+ co-doped SrWO 4 have been prepared
by solid state reaction route. The structural investigation was conducted with X-ray …

Optical thermometry using up and down conversion photoluminescence mechanism in Y2Zr2O7: Er3+ phosphors with excellent sensing sensitivity

A Kumar, J Manam - Journal of Alloys and Compounds, 2020 - Elsevier
In this article, photoluminescence up and down conversion properties of Er 3+ activated Y 2
Zr 2 O 7 (YZO) phosphors have been investigated. All the compositions have been …

Effect of Ce4+→ Ce3+ conversion on the structural and luminescence properties of Ce4+ doped Gd2Ti2O7 pyrochlore oxide

U Berwal, V Singh, R Sharma - Journal of Luminescence, 2023 - Elsevier
Ternary oxides with cerium oxide as dopant are now useful as blue chip for the production of
WLED's. In this present work, pyrochlore oxides Gd 2 Ti 2-x Ce x O 7 with do** …

Observation of up conversion/down conversion luminescence and structural analysis of La2Zr2O7: Pr3+ nano phosphors

A Kumar, J Manam - Materials Science in Semiconductor Processing, 2022 - Elsevier
Charge transfer band (CTB) transition significantly improves the photoluminescence
properties of phosphor materials due to its higher absorption efficiency than the …

Enhancement of dual-mode emission and temperature sensing performance in Y2Zr2O7: Er3+ nano phosphor by incorporation of lithium ions

A Kumar, J Manam - Ceramics International, 2022 - Elsevier
The present work has been planned with the primary objective to study the effect of Li+
do** on photoluminescence (PL) emission intensity and temperature sensing …

A new Na2BaCa (PO4) 2: Eu3+ red-emitting phosphor with excellent thermal stability and high quantum efficiency for WLEDs

Y Ling, R Zhao, X Guo, R Cui - Optik, 2023 - Elsevier
A series of new red phosphors Na 2 BaCa (PO 4) 2: xEu 3+ was synthesized by the high
temperature solid phase reaction method. Through employing X-ray diffraction, scanning …

Optical transmission and transition properties of lanthanide doped highly transparent Y2Zr2O7 ceramics

K Lu, Z Liu, Y Wang, W Yang, H Peng, Y Ye… - Journal of alloys and …, 2022 - Elsevier
Obtaining detailed transmission and transition parameters of transparent materials is of vital
importance for photonic engineering applications. In this work, we prepare a series of …

Color tunable emission and temperature dependent photoluminescence properties of Eu3+ co-doped Gd2Zr2O7: Dy3+ phosphors

A Kumar, J Manam - Optical Materials, 2019 - Elsevier
The present study focuses on the color-tunable properties through energy transfer
mechanism of single-phase Gd 2 Zr 2 O 7: Dy 3+, Eu 3+ phosphors prepared by …

Luminescent studies of Eu doped ZnAl2O4 spinels synthesized by low-temperature combustion route

R Priya, A Negi, S Singla, OP Pandey - Optik, 2020 - Elsevier
Abstract Eu 3+-doped ZnAl 2 O 4 phosphors were synthesized via low-temperature
combustion synthesis route using urea as a fuel. The concentration of the Eu 3+ was varied …