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Synthesis and Characterization of Lightweight Beryllium Chloro Silicate Phosphor

Synthesis and Characterization of Lightweight Beryllium Chloro Silicate Phosphor
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Author(s): Khushbu Sharma (Shri Ramdeo Baba College of Engineering and Management, Nagpur, India)
Copyright: 2022
Pages: 12
Source title: Handbook of Research on Advancements in the Processing, Characterization, and Application of Lightweight Materials
Source Author(s)/Editor(s): Kaushik Kumar (Birla Institute of Technology, India), B. Sridhar Babu (CMR Institute of Technology, India) and J. Paulo Davim (University of Aveiro, Portugal)
DOI: 10.4018/978-1-7998-7864-3.ch004

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Abstract

In this chapter, low weight barium-based cholorsilicate Ba5Cl6Si2O6:Eu2+ is prepared through a solid-state reaction. To confirm the structure of the synthesized phosphors, powder photographs were obtained using an x-ray diffractometer. Photoluminescence spectra and FTIR spectra were recorded. Photoluminescence spectra are studied. The emission peak is observed at 407 nm at excitation 275 nm. The intense violet-blue emission is obtained. The broad excitation band and strong emission indicate that Ba5Cl6Si2O6:Eu2+could be a good phosphor candidate for blue LED and white LEDs. Decay curve indicates the phosphor has a long afterglow feature.

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