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Vol. 36 No. 7 (2024): Vol 36 Issue 7, 2024

Copyright (c) 2024 OJAS GARG, MUKESH KUMAR, HINA DALAL, POONAM DEVI, NEERAJ SEHRAWAT, DIKSHA SOLANKI, SUNITA DAHIYA

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Combustion Synthesis and Study of Crystallographic and Luminescence Aspects of Double Perovskite Ba2BiYO6:Sm3+ Nanocrystal for Modern Lighting Applications

https://doi.org/10.14233/ajchem.2024.31733
Ojas Garg
Department of Physics, Baba Mastnath University, Rohtak-124001, India
https://orcid.org/0009-0009-2879-4627
Mukesh Kumar
Department of Chemistry, Vaish College, Rohtak-124001, India
https://orcid.org/0000-0003-2955-5010
Hina Dalal
Department of Chemistry, Maharshi Dayanand University, Rohtak-124001, India
https://orcid.org/0009-0009-1610-3710
Poonam Devi
Department of Chemistry, Maharshi Dayanand University, Rohtak-124001, India
https://orcid.org/0009-0001-3531-4988
Neeraj Sehrawat
Department of Chemistry, Maharshi Dayanand University, Rohtak-124001, India
https://orcid.org/0000-0002-1656-2492
Diksha Solanki
Department of Chemistry, Maharshi Dayanand University, Rohtak-124001, India
https://orcid.org/0009-0006-8682-3340
Sunita Dahiya
Department of Physics, Baba Mastnath University, Rohtak-124001, India
https://orcid.org/0009-0005-2203-8952

Corresponding Author(s) : Sunita Dahiya

sunitadahiya2311@gmail.com

Asian Journal of Chemistry, Vol. 36 No. 7 (2024): Vol 36 Issue 7, 2024

Abstract

A Sm3+-activated double perovskite Ba2BiYO6 nanocrystal system exhibiting a strong orange-red luminescence was prepared using an energy-efficient solution combustion synthetic procedure. The crystal structures were found to be cubic and belong to the Fm3m (225) space group with irregular shapes having a mean diameter of 51 nm. The surface aspects were explored via scanning and transmission electron microscopic (SEM and TEM) techniques. After exposure to UV energy (410 nm), the nanocrystals emit a active reddish-orange light at 16447 cm-1, caused by the transition from the 4G5/2→6H7/2 electronic state. The effects of energy transfer were also considered. The highest photoluminescence emission intensity occurs at a concentration of 3.0 mol% Sm3+ ions after which starts declining owing to the formation of d-d interactions of concentration quenching. The colour coordinates, based on the chromaticity chart, fall within the reddish region and the correlated colour temperature (CCT) value was measured at 1715 K for optimal sample Ba2BiY0.97Sm0.03O6. Consequently, these nanocrystals are well-suited for use in white lighting emitting (WLED) manufacturing and designed primarily for the purpose of constructing attractive modern lighting components.

Keywords

Nanocrystal Double perovskite Photoluminescence Concentration quenching Modern lighting
Garg, O., Kumar, M., Dalal, H., Devi, P., Sehrawat, N., Solanki, D., & Dahiya, S. (2024). Combustion Synthesis and Study of Crystallographic and Luminescence Aspects of Double Perovskite Ba2BiYO6:Sm3+ Nanocrystal for Modern Lighting Applications. Asian Journal of Chemistry, 36(7), 1641–1649. https://doi.org/10.14233/ajchem.2024.31733
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