Study of structural and spectroscopic characteristics of novel color tunable yellowish-white Dy3+ doped Gd4Al2O9 nanophosphors for NUV-based WLEDs

I Gupta, D Singh, S Singh, P Kumar, S Bhagwan… - Journal of Molecular …, 2023 - Elsevier
Urea-assisted solution combustion (SC) synthetic method is employed to prepare a series of
yellowish-white light emitting Dy 3+ doped Gd 4 Al 2 O 9 (x= 1–6 mol%) phosphors. Phase …

A study of phase evolution, crystallographic and down-conversion luminescent behaviour of monoclinic Y4Al2O9: Dy3+ nanophosphors for white light applications

P Kumar, D Singh, I Gupta, S Singh, S Nehra, R Kumar - Optical Materials, 2023 - Elsevier
Abstract Undoped Y 4 Al 2 O 9 and Dy 3+ doped Y 4 Al 2 O 9 nanophosphors have been
synthesized through urea aided combustion approach. The monoclinic phase of undoped …

Stress sensing by ratiometric mechanoluminescence: a strategy based on structural probe

X Yang, Y Cheng, J Xu, H Lin… - Laser & Photonics …, 2022 - Wiley Online Library
Featured with specific relationship between luminescence intensity and stress,
mechanoluminescence (ML) has shown great application potential in stress sensing …

Cation substitution induced structural phase transitions and luminescence properties of Eu3+-doped A2LaNbO6 (A= Ba, Sr, and Ca) double perovskite

SW Wi, JW Seo, YD Lee, JH Choi, YS Lee… - Journal of Alloys and …, 2024 - Elsevier
Recently, double perovskites oxides have emerged as a prominence in the luminescence
research, attributed to their adaptable structure, diverse chemical compositions, and stability …

Multifunctional Ca10 (PO4) 6F2 as a host for radioactive waste immobilization: Am3+/Eu3+ ions distribution, phosphor characteristics and radiation induced changes

P Das, N Pathak, P Modak, B Modak - Journal of Hazardous Materials, 2021 - Elsevier
Abstract Na+ 2 Eu 3+ 2: Ca 6 (PO 4) 6 F 2 is explored as a potential host for radioactive
waste immobilization. Since Eu 3+ ion is a surrogate of highly radioactive Am 3+ ion, the …

Relationship of the different Ca sites in the matrix with luminescence properties of orange‒red emitting Li0. 04Ca0. 96-xSiO3: Smx phosphors

C Liang, X Huang, W Huang - Ceramics International, 2022 - Elsevier
Abstract Li 0.04 Ca 0.96-x SiO 3: Sm x orange‒red emitting phosphors were synthesized
using the sol-gel method. X-ray diffraction, Rietveld refinement of XRD patterns, Fourier …

Exploring color tunable emission characteristics of Eu 3+-doped La 2 (MoO 4) 3 phosphors in the glass–ceramic form

M Sahu, N Phatak, MK Saxena - RSC advances, 2021 - pubs.rsc.org
The glass–ceramic form of phosphor materials can overcome the many serious issues of
phosphor/silicone composite in commercial phosphor-converted LEDs and are considered …

Interplay between local distortion at lattice sites with optical and electrical properties of Eu 3+-doped MNbO 3 (M= Na and K) compounds

N Pathak, S Mukherjee, BP Mandal, AK Yadav… - Materials …, 2020 - pubs.rsc.org
Local distortion at lattice sites plays a pivotal role in determining many important physical
properties. In the present study, our focus has been to examine such crucial roles for the …

Exploring site-selective photoluminescence of Eu3+ and Tb3+ ions in Sr10 (PO4) 6F2 and the development of different phosphor materials

N Pathak, K Ali, B Chundawat - Optical Materials, 2022 - Elsevier
We have developed a wide range of phosphor materials with varying color characteristics in
the green, yellow, orange, and red regions based on Sr 10 (PO 4) 6 F 2 matrix and different …

2D Rare Earth Material (EuOCl) with Ultra‐Narrow Photoluminescence at Room Temperature

P Chen, Z Li, D Li, L Pi, X Liu, J Luo, X Zhou, T Zhai - Small, 2021 - Wiley Online Library
High color purity and color rendition of 2D luminescent materials have long been pursued
for applications in low‐dimensional lighting, display, biolabeling, and laser. However, the …