Optical nanomaterials with focus on rare earth doped oxide: A Review

SK Gupta, K Sudarshan, RM Kadam - Materials Today Communications, 2021 - Elsevier
Optical nanomaterials (ONMs) have attracted significant attention of the global research
community owing to their several superior advantages. Some of the ONMs depict negligible …

Lanthanide spectroscopy in probing structure-property correlation in multi-site photoluminescent phosphors

SK Gupta, RM Kadam, PK Pujari - Coordination Chemistry Reviews, 2020 - Elsevier
Lanthanide luminescence gains significant attention during the last decade or so because of
its unique optical properties. In designing a phosphor material various parameter needs to …

Oxygen vacancy sensitized energy transfer and tunable emission in Li+ codoped CaWO4: Bi3+

P Das, A Balhara, D Das, K Sudarshan… - Journal of Molecular …, 2025 - Elsevier
In the present study, Li+ codoped CaWO 4: 2% Bi 3+ was synthesized by solid state
reaction. The synthesized luminescent materials were characterized using x-ray diffraction …

Role of alkali charge compensation in the luminescence of CaWO 4: Nd 3+ and SrWO 4: Nd 3+ Scheelites

D Das, SK Gupta, CS Datrik, P Nandi… - New Journal of …, 2020 - pubs.rsc.org
This work presents a new perspective on alkali metal co-doped rare earth based-phosphors
in understanding the distinct role of 3 different alkali metal co-dopants, Li+, Na+ and K+, with …

Probing emission and defects in BaW x Mo 1–x O 4 solid solutions: achieving color tunable luminescence by W/Mo ratio and size manipulation

D Das, SK Gupta, AP Srivastava, P Utpalla… - New Journal of …, 2020 - pubs.rsc.org
Structure, size, and defect manipulations have been found to be highly effective strategies in
tuning the properties of optical functional materials. To investigate the same, nanocrystalline …

[HTML][HTML] Cost effective red emitting Eu3+ doped natural sodium feldspar (NaAlSi3O8) powder and photophysical changes on transition to glassy state

P Saha, R Shukla, RT Parayil, SK Gupta, SN Achary… - Results in Optics, 2023 - Elsevier
There is a need for low cost red emitting materials for commercial phosphor converted white
light emitting diodes (pc-WLEDs) due to low color rendering index (CRI) and high correlated …

Role of energy transfer, defect, and lattice dimension in photophysical characteristics of AWO4:Nd3+ (A=Ca, Sr and Ba)

CS Datrik, K Sudarshan, SK Gupta… - Journal of the American …, 2020 - Wiley Online Library
The fact that the scheelite based compounds are of high technological importance in the
area of scintillator and optoelectronics, makes their detailed photophysical study relevant not …

[PDF][PDF] Direct mechanochemical synthesis and characterization of SrWO4 nanoparticle

M Gancheva, R Iordanova, L Mihailov - Bulg. Chem. Commun, 2022 - bcc.bas.bg
Single-phase nanocrystalline SrWO4 was successfully synthesized by direct
mechanochemical reaction at room temperature. A stoichiometric mixture of SrCO3 and …

Li+ Doping Induced Dual Energy Transfer Leading to Enhanced and Tunable Emission in Cawo4: Bi3+ Through Oxygen Vacancy Sensitization

P Das, A Balhara, D Das, K Sudarshan… - Available at SSRN … - papers.ssrn.com
In the present study, Li+ codoped CaWO4: 2% Bi3+ was synthesized by solid state reaction.
The synthesized luminescent materials were characterized using x-ray diffraction (XRD) …

Red phosphor in Glass

E Gurung - 2021 - openarchive.usn.no
Massive electricity demands every year consume a lot of energy. So, consumption of energy
has been a topic that is discussed widely due to alarming environmental threats like global …