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<p>This article reports the structural characterization and luminescence study of Ca<sub>2</sub>La<sub>3</sub>(SiO<sub>4</sub>)<sub>3</sub>F:Dy<sup>3+</sup> synthesized by solid state reaction (SSR) route. It belongs to hexagonal system with space group <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="339_2025_8574_Article_IEq1.gif" Format="GIF" Height="19" Rendition="HTML" Resolution="72" Type="Linedraw" Width="54" /> </InlineMediaObject> <EquationSource Format="TEX">\(P{6}_{3}/m\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>P</mi> <msub> <mn>6</mn> <mn>3</mn> </msub> <mo stretchy="false">/</mo> <mi>m</mi> </mrow> </math></EquationSource> </InlineEquation>. SEM and EDAX study confirm formation of micro-crystalline powder and pure phase formation. The phosphor exhibits well intense peak around 573&#xa0;nm attributed to electronic transition <sup>4</sup>F<sub>9/2</sub> → <sup>6</sup>H<sub>13/2</sub> along with other weak emission peaks when excited at 386&#xa0;nm. Yellow-green emission is confirmed by the CIE chromatic coordinate diagram. This phosphor thus finds applications in solid state lighting, display devices and other optical applications.</p>

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Structural and spectroscopic properties of Ca2La3(SiO4)3F: Dy3+ phosphor

  • 期刊论文

  • 发表日期：

    2025年5月8日

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  • Akshay Pimpalkar,
  • Amolkumar N. Jadhav,
  • Ashok Mistry,
  • Shruti Dhale,
  • Prachita A. Patil,
  • Anil Muke,
  • Rujuta Barve Joshi,
  • Shilpa Kulkarni,
  • Nilesh Ugemuge

摘要

This article reports the structural characterization and luminescence study of Ca2La3(SiO4)3F:Dy3+ synthesized by solid state reaction (SSR) route. It belongs to hexagonal system with space group \(P{6}_{3}/m\) P 6 3 / m . SEM and EDAX study confirm formation of micro-crystalline powder and pure phase formation. The phosphor exhibits well intense peak around 573 nm attributed to electronic transition 4F9/2 → 6H13/2 along with other weak emission peaks when excited at 386 nm. Yellow-green emission is confirmed by the CIE chromatic coordinate diagram. This phosphor thus finds applications in solid state lighting, display devices and other optical applications.