Realization of a green-emitting pyrosilicate-structured Er3+-activated Y2Si2O7 phosphor: a systematic study of opto-electronic characteristics and thermal stability for lighting applications

Pawan Kumar, Devender Singh, Sitender Singh, Harish Kumar and Ramesh Kumar

RSC Adv., 2024, 14, 18716
DOI: 10.1039/D4RA03833A

Cool green-emissive Y2Si2O7:Tb3+ nanophosphor: auto-combustion synthesis and structural and photoluminescence characteristics with good thermal stability for lighting applications

Pawan Kumar, Devender Singh, Sonika Kadyan, Harish Kumar and Ramesh Kumar

RSC Adv., 2024, 14, 16560
DOI: 10.1039/D4RA02571G

Emerging environmentally friendly bio-based nanocomposites for the efficient removal of dyes and micropollutants from wastewater by adsorption: a comprehensive review

Wafa Al-Gethami, Muhammad Azam Qamar, Mohammad Shariq, Abdel-Nasser M. A. Alaghaz, Ahmad Farhan, Ashwaq A. Areshi and M. Hisham Alnasir

RSC Adv., 2024, 14, 2804
DOI: 10.1039/D3RA06501D

A green light emissive LaSr2AlO5:Er3+ nanocrystalline material for solid state lighting: crystal phase refinement and down-conversion photoluminescence with high thermal stability

Pawan Kumar, Devender Singh and Harish Kumar

RSC Adv., 2024, 14, 755
DOI: 10.1039/D3RA07175H

Influence of Dy3+ ion concentration on structural, photoluminescence and energy transfer mechanism of promising GdSr2AlO5 nanophosphors for white light applications

Pawan Kumar, Devender Singh, Isha Gupta and Harish Kumar

Ceramics International, 2023, 49, 29010
DOI: 10.1016/j.ceramint.2023.06.173

Gel-combustion synthesis, structural and optoelectronic analyses of Tb3+ activated LaSr2AlO5 nanophosphors: A green emitter for displays

Pawan Kumar, Devender Singh and Harish Kumar

Materials Science in Semiconductor Processing, 2024, 174, 108162
DOI: 10.1016/j.mssp.2024.108162

Red-emitting Eu3+ activated LaSr2AlO5 phosphor for wLEDs: Crystal structure, photoluminescence, thermal stability, Judd-Ofelt calculation and band-gap analyses

Pawan Kumar, Devender Singh and Harish Kumar

Materials Research Bulletin, 2024, 173, 112683
DOI: 10.1016/j.materresbull.2024.112683

Recent advances in rare earth oxides applied to energy conversion: A short review

Thaís Karine de Lima Rezende, Jordy Angelo Carneiro, Helliomar Pereira Barbosa, Mauro Roberto Sardela Junior and Jefferson Luis Ferrari

Ceramics International, 2025, 51, 5583
DOI: 10.1016/j.ceramint.2024.12.021

Near ultra-violet excitable Tb(III)-tris-hexafluoro-2,4-pentanedione complexes for OLEDs: Insights into the impact of ancillary ligands on photoluminescent characteristics

Sofia Malik, Komal Jakhar, Devender Singh, Anjli Hooda, Kapeesha Nehra, Sumit Kumar, Rajender Singh Malik and Parvin Kumar

Journal of Molecular Structure, 2024, 1311, 138334
DOI: 10.1016/j.molstruc.2024.138334

A Critical Review of the Advances and Current Status of the Application of Adsorption in the Remediation of Micropollutants and Dyes Through the Use of Emerging Bio-Based Nanocomposites

Jordana Georgin, Claudete Gindri Ramos, Jivago Schumacher de Oliveira, Younes Dehmani, Noureddine El Messaoudi, Lucas Meili and Dison S. P. Franco

Sustainability, 2025, 17, 2012
DOI: 10.3390/su17052012

Insights into opto-electronic investigation of highly pure reddish-orange light emissive Sm3+ doped Y2Si2O7 phosphors: Tailored for NUV-excitable white light emitting diodes

Pawan Kumar, Devender Singh, Sonika Kadyan, Harish Kumar and Ramesh Kumar

Journal of Molecular Structure, 2024, 1314, 138727
DOI: 10.1016/j.molstruc.2024.138727

UV excitable GdSr2AlO5:Eu3+ red emitting nanophosphors: Structure refinement, photoluminescence, Judd-Ofelt analysis and thermal stability for w-LEDs

Pawan Kumar, Devender Singh and Isha Gupta

Journal of Alloys and Compounds, 2023, 966, 171410
DOI: 10.1016/j.jallcom.2023.171410

Structural and luminescent features of warm reddish-orange light-emitting Sm(III) doped Gd2Si2O7 nanophosphors for near UV-energized LEDs

Isha Gupta, Devender Singh, Sitender Singh, Pawan Kumar, Shri Bhagwan and Vinod Kumar

Journal of Luminescence, 2023, 263, 120007
DOI: 10.1016/j.jlumin.2023.120007

Crystallographic and luminescence studies of Gd2Si2O7: Er3+ nanomaterials for NUV energized lighting applications

Isha Gupta, Devender Singh, Pawan Kumar, Sitender Singh, Shri Bhagwan and Vinod Kumar

Journal of Molecular Structure, 2023, 1287, 135595
DOI: 10.1016/j.molstruc.2023.135595

Synthesis Strategies for Rare Earth Activated Inorganic Phosphors: A Mini Review

Sitender Singh, Devender Singh, Preeti Siwach, Isha Gupta and Pawan Kumar

Applied Research, 2025, 4
DOI: 10.1002/appl.202400190

Microstructural evolution and luminescence properties of multi-excitable cubic-ZrW2O8:Dy3+ nanorods for white light applications

Sajan Thomas, Bibily Baby, Jifi Jose, Ann V Lizbathu, Neekha Deen Abraham, P.R. Biju and Cyriac Joseph

Materials Research Bulletin, 2024, 180, 112983
DOI: 10.1016/j.materresbull.2024.112983

Synthesis, crystallographic structure, down shifting luminescence of Er(III) activated GdSr2AlO5 nanophosphors: An efficient green emitter for solid state lighting

Pawan Kumar, Devender Singh, Isha Gupta and Harish Kumar

Materials Science in Semiconductor Processing, 2023, 167, 107765
DOI: 10.1016/j.mssp.2023.107765

Trivalent dysprosium activated LaSr2AlO5 nanophosphors for NUV-excited wLEDs: Insights into structural, optical, Judd-Ofelt parameters and temperature dependent photoluminescence

Pawan Kumar, Devender Singh and Harish Kumar

Inorganic Chemistry Communications, 2024, 163, 112375
DOI: 10.1016/j.inoche.2024.112375

Monometallic heteroleptic complexes of Dy(III) ion incorporating β-diketone and ancillary moieties: Photophysical and electrochemical analyses

Sonia Redhu, Devender Singh, Anjli Hooda, Kapeesha Nehra, Sumit Kumar, Rajender Singh Malik, Vikas Siwach and Parvin Kumar

Chemical Physics Letters, 2024, 847, 141376
DOI: 10.1016/j.cplett.2024.141376

Exploring the role of neutral ligands in modulating the photoluminescence of samarium complexes with 1,1,1,5,5,5‐hexafluoro‐2,4‐pentanedione

Sofia Malik, Komal Jakhar, Devender Singh, Swati Dalal, Anjli Hooda, Kapeesha Nehra, Sumit Kumar, Rajender Singh Malik and Parvin Kumar

Luminescence, 2024, 39
DOI: 10.1002/bio.4810

Optoelectronic investigation of pyrosilicate based Y2Si2O7:Dy3+ nanophosphor: A prospective white light emitter for NUV based-wLEDs

Pawan Kumar, Devender Singh, Isha Gupta, Harish Kumar and Ramesh Kumar

Inorganic Chemistry Communications, 2024, 168, 112861
DOI: 10.1016/j.inoche.2024.112861

Optical properties of Y4Al2O9:Eu3+ in the UV–Vis spectral range

Y. A. Kuznetsova, I. N. Ogorodnikov, D. V. Raikov, M. Jeevaraj, B. R. Radha Krushna, H. Nagabhushana, D. Sivaganesh and A. S. Mikshina

J. Opt. Soc. Am. B, 2025, 42, 1549
DOI: 10.1364/JOSAB.564572

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

Pawan Kumar, Devender Singh, Isha Gupta, Sitender Singh, Simran Nehra and Ramesh Kumar

Optical Materials, 2023, 138, 113677
DOI: 10.1016/j.optmat.2023.113677

Er3+-doped Y4Al2O9 nanophosphors for advance display applications: Synthesis, crystal chemistry and down conversion photoluminescent investigation

Pawan Kumar, Devender Singh, Isha Gupta, Sitender Singh, Simran Nehra and Ramesh Kumar

Materials Chemistry and Physics, 2023, 301, 127610
DOI: 10.1016/j.matchemphys.2023.127610

Comprehensive investigation of Y2Si2O7:Eu3+ nanophosphors for w-LEDs: Structural, Judd-Ofelt calculation and photoluminescent characteristic with high color purity and thermal stability

Pawan Kumar, Devender Singh, Sonika Kadyan, Harish Kumar and Ramesh Kumar

Ceramics International, 2024, 50, 34596
DOI: 10.1016/j.ceramint.2024.06.267

A novel Er3+ activated Y4Al2O9 nanophosphors with high thermal stability for applications in w-LEDs and latent fingerprints detection

R. Arunakumar, B.R. Radha Krushna, G.R. Mamatha, S.C. Sharma, B. Bommalingaiah, Pusparaj Samantsinghar, Jaiganesh Inbanathan, C.T. Meyyammai, G. Ramakrishna, K. Manjunatha, Sheng Yun Wu and H. Nagabhushana

Journal of Luminescence, 2025, 281, 121215
DOI: 10.1016/j.jlumin.2025.121215

Physical insights into crystal structure and optical response of green light emitting Tb3+ activated GdSr2AlO5 nanophosphors for optical displays

Pawan Kumar, Devender Singh and Isha Gupta

Materials Research Bulletin, 2023, 167, 112413
DOI: 10.1016/j.materresbull.2023.112413