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Synthesis of an excellent red phosphor and photo luminescence studies of Eu3+ activated double perovskite phosphors NaSrBi1-x Eu x WO6 (x = 0.0–0.24)

Synthesis and photoluminescence studies of Eu3⁺ activated double perovskite phosphors NaSrBi1₋x Eu x WO6 (x = 0.0–0.24)
  • Dharmana Tejeswararao , Bonnada Nagamani Naidu , Kola Koteswararao , Deepshikha Datta EMAIL logo and Bimal Das ORCID logo EMAIL logo
Published/Copyright: February 17, 2025
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International Journal of Chemical Reactor Engineering
From the journal International Journal of Chemical Reactor Engineering Volume 23 Issue 6

Abstract

The sodium magnesium contains double perovskite structure compound i.e. NaSrBi1-x Eu x WO6 is synthesized by using citrate – gel method. This double perovskite structure compound is prepared at different concentrations i.e. (x = 0.0–0.24) at different temperatures 500, 600, 700 °C for 5 h. Further, the prepared samples are characterized through different tools like XRD (X-ray diffractro meter), UV Visible Diffuse Reflectance Spectra, Photo luminescence spectra, FE SEM and CIE Software and the prepared sample shows different structures in various concentrations by using X-ray diffractrometer. Similarly, lattice parameters, peak positions are explained for all various concentrated samples at 700 °C sintered temperature for 5 h. However, the samples which are sintered at 700 °C for 5 h are excited at different wavelengths i.e. 395, 465, 540 nm, the corresponding emission intensities are also recorded. All the concentrated samples exhibits towards high intensity peaks at 595, 614 nm wavelengths in their emission spectra. The sample x = 0.12 shows highest red emission intensity out of all concentrations in the emission spectra. 5D0-7F1 & 5D0-7F2 are the major transitions formed in the emission spectra for every concentrated sample. In the same way the structural morphology is identified clearly by using FE SSEM. The CIE color coordinators are calculated and identified as very close to NTSC coordinators of red phosphor. Finally, the color purity is also calculated to analyze the quality of red light for the prepared red phosphor which is used in different W-LEDs applications.

Keywords: double perovskite materials (DPM); sol gel method; red phosphor; luminescence; crystal structure
Corresponding authors: Deepshikha Datta, Department of Chemistry, Brainware University, Barasat, Kolkata-700125, West Bengal, India, E-mail: ; and Bimal Das, Department of Chemical Engineering, National Institute of Technology, Durgapur 713209, West Bengal, India, E-mail:

  1. Research ethics: Not applicable.

  2. Informed consent: All participants involved in this study provided written informed consent before their participation.

  3. Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Use of Large Language Models, AI, and Machine Learning Tools: No generative AI, machine learning, or large language model tools were used in the research process, including data analysis, manuscript drafting, or review.

  5. Conflict of interest: The authors state no conflict of interest.

  6. Research funding: None declared.

  7. Data availability: Not applicable.

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Received: 2024-07-09
Accepted: 2025-01-28
Published Online: 2025-02-17

© 2025 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. PREFACE: Special issue dedicated to the International Symposium “Chemical Engineering – Environment, Sustainability and the Future” held in commemoration of Professor N.K. Bose: Chemical Engineering Department, University of Calcutta, Kolkata, India
  4. Review
  5. Recent scenario of e-waste recycling: chemical engineering
  6. Articles
  7. CFD-based investigation of NO x removal from industrial waste gas by selective catalytic reduction (SCR) and selective non-catalytic reduction (SNCR) process using NH3
  8. Fabrication and characterization of extracted microsized chitosan embedded PVDF membrane for wastewater treatment
  9. Synthesis of an excellent red phosphor and photo luminescence studies of Eu3+ activated double perovskite phosphors NaSrBi1-x Eu x WO6 (x = 0.0–0.24)
  10. Equilibrium solubility and enthalpy of CO2 absorption in aqueous blend of N,N- dimethyldipropylenetriamine and N-methyldiethanolamine
  11. Short Communication
  12. Communication regarding articles from the symposium held in Calcutta, India from December 22-24, 2023, already published in the International Journal of Reactor Engineering, in 2024
https://doi.org/10.1515/ijcre-2024-0135
Keywords for this article
double perovskite materials (DPM); sol gel method; red phosphor; luminescence; crystal structure

Articles in the same Issue

  1. Frontmatter
  2. Editorial
  3. PREFACE: Special issue dedicated to the International Symposium “Chemical Engineering – Environment, Sustainability and the Future” held in commemoration of Professor N.K. Bose: Chemical Engineering Department, University of Calcutta, Kolkata, India
  4. Review
  5. Recent scenario of e-waste recycling: chemical engineering
  6. Articles
  7. CFD-based investigation of NO x removal from industrial waste gas by selective catalytic reduction (SCR) and selective non-catalytic reduction (SNCR) process using NH3
  8. Fabrication and characterization of extracted microsized chitosan embedded PVDF membrane for wastewater treatment
  9. Synthesis of an excellent red phosphor and photo luminescence studies of Eu3+ activated double perovskite phosphors NaSrBi1-x Eu x WO6 (x = 0.0–0.24)
  10. Equilibrium solubility and enthalpy of CO2 absorption in aqueous blend of N,N- dimethyldipropylenetriamine and N-methyldiethanolamine
  11. Short Communication
  12. Communication regarding articles from the symposium held in Calcutta, India from December 22-24, 2023, already published in the International Journal of Reactor Engineering, in 2024
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