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<strong>Characterization and photoluminescence of Dy3+ doped CaTiO3 nanoparticles prepared by sol-gel method</strong>

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Title Statement <strong>Characterization and photoluminescence of Dy3+ doped CaTiO3 nanoparticles prepared by sol-gel method</strong>
 
Added Entry - Uncontrolled Name Dudhe, Chandragupta Maroti; Institute of Science
Thakur, Punam ; Department of Physics, Institute of Science, R T Road, Nagpur 440 001, India
Khambadkar, S J ; Department of Physics, Institute of Science, R T Road, Nagpur 440 001, India
Patil, Avish ; Department of Physics, Institute of Science, R T Road, Nagpur 440 001, India
Thombare, Pooja ; Department of Physics, Institute of Science, R T Road, Nagpur 440 001, India
Chaudhary, A A ; Department of Physics, Institute of Science, R T Road, Nagpur 440 001, India
 
Uncontrolled Index Term Perovskite; Sol-gel synthesis; UV-Vis spectroscopy; Photoluminescence; Transmission electron microscopy
 
Summary, etc. A modified sol-gel route using tetra isopropyl ortho titanate and calcium acetate under the catalytic action of nitric acid has been presented for the synthesis of Dy<sup>3+</sup> doped CaTiO<sub>3</sub> nanoparticles. Various instrumentation techniques like, thermo gravimetric analysis, X-ray diffraction, Fourier transform infrared spectroscopy, ultraviolet-visible spectroscopy, transmission electron microscopy and photoluminescence spectroscopy have been employed to characterize the compound. It has been found that described method is much better than earlier reported methods, as it improves the morphology, particle size and homogeneity of CaTiO<sub>3</sub> nanoparticles. By this method we obtain sphere-like particles of average size ~42 nm which falls among the least known sizes of pure and doped CaTiO<sub>3 </sub>nanoparticles. The spectroscopic parameters like band-gap energy and intense <sup>4</sup>F<sub>9/2</sub> → <sup>6</sup>H<sub>13/2</sub> transition on account of Dy<sup>3+</sup> doping show excellent agreements with the reported data in the literature.
 
Publication, Distribution, Etc. Indian Journal of Pure & Applied Physics (IJPAP)
2018-11-16 12:46:02
 
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http://op.niscair.res.in/index.php/IJPAP/article/view/17914
 
Data Source Entry Indian Journal of Pure & Applied Physics (IJPAP); ##issue.vol## 56, ##issue.no## 11 (2018): Indian Journal of Pure & Applied Physics
 
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http://op.niscair.res.in/index.php/IJPAP/article/download/17914/53833
http://op.niscair.res.in/index.php/IJPAP/article/download/17914/53834
http://op.niscair.res.in/index.php/IJPAP/article/download/17914/53835
http://op.niscair.res.in/index.php/IJPAP/article/download/17914/53837
 
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