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<strong>Photoluminescence Study of Up-Conversion Phosphor La2(MoO4)3 Yb3+, Er3+ Prepared by Precipitation Method</strong>

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Title Statement <strong>Photoluminescence Study of Up-Conversion Phosphor La2(MoO4)3 Yb3+, Er3+ Prepared by Precipitation Method</strong>
 
Added Entry - Uncontrolled Name Shah, Kevil ; The M. S. University of baroda, Vadodara
Chauhan, Soham M; The M. S. University
Chakrabarty, Bishwajit ; The M. S. University
We are thankful to UGC – NEW DELHI for providing the UGC – BSR – RFSMS Fellowship.
 
Uncontrolled Index Term Luminescence
Up-conversion process, Phosphor, Photoluminescence, Precipitation, Chromaticity, Up-conversion mechanism, Energy transitions
 
Summary, etc. <p style="text-align: justify;">Up-conversion phosphors of La<sub>2</sub>(MoO<sub>4</sub>)<sub>3</sub>: Yb<sup>3+</sup>, Er<sup>3+</sup> with different concentration of Erbium were prepared by a simple precipitation method. The crystal structure, surface morphology, elemental composition, and photoluminescence properties were characterized by X-ray powder diffraction (XRD), Scanning electron microscopy (SEM), Energy-dispersive X-ray Spectroscopy (EDAX) and Photoluminescence spectroscopy respectively. XRD spectra show a high degree of crystallinity in all samples. SEM images show rod-like structures present in the samples. EDAX analysis confirms the presence of dopants (Yb<sup>3+</sup> and Er<sup>3+</sup>) in the host matrix (La<sub>2</sub>(MoO<sub>4</sub>)<sub>3</sub>). Upon excitation by 980 nm infrared radiation, all the samples give emission peaks between 524 – 533 nm in the bluish-green region, 546 – 555 nm in the green region and 659 – 672 nm in the red region which are attributed to the <sup>2</sup>H<sub>11/2 </sub>→ <sup>4</sup>I<sub>15/2</sub>, <sup>4</sup>S<sub>3/2 </sub>→ <sup>4</sup>I<sub>15/2</sub> and <sup>4</sup>F<sub>9/2 </sub>→ <sup>4</sup>I<sub>15/2</sub> transitions of Er<sup>3+</sup> ions respectively.</p><br />
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2021-12-16 16:09:59
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/26855
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 59, ##issue.no## 12 (2021): Indian Journal of Pure & Applied Physics
 
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