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Inorganic and Nano-Metal Chemistry Volume 47, 2017 - Issue 8
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Calotropis gigantean-assisted YSO:Pr3+ nanophosphors: Near-ultraviolet (NUV) photoluminescence and J-O analysis for solid-state lighting solutions

G. RamakrishnaDepartment of Physics, University College of Science, Tumkur University, Tumkur, India
,
H. NagabhushanaProf. C.N.R. Rao Centre for Advanced Materials, Tumkur University, Tumkur, India
,
R. B. BasavarajProf. C.N.R. Rao Centre for Advanced Materials, Tumkur University, Tumkur, India
,
Ramachandra NaikDepartment of Physics, New Horizon College of Engineering, Bengaluru, IndiaCorrespondence[email protected]
,
S. C. SharmaDepartment of Mechanical Engineering, Jain University, Jain Group of Institutions, Bengaluru, India
,
B. Daruka PrasadDepartment of Physics, B.M.S. Institute of Technology, Yelahanka, Bengaluru, India
,
H. B. PremkumarDepartment of Physics, Dayanand Sagar Academy of Technology and Management, Bengaluru, India
,
K. S. AnantharajuDepartment of Chemistry, Dayanadasagar College of Engineering, Bengaluru, India
&
S. C. PrashanthaResearch Center, Department of Science, East West Institute of Technology, Bengaluru, India
 show all
Pages 1234-1242 | Received 16 Oct 2016, Accepted 16 Jan 2017, Published online: 23 Mar 2017
 
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ABSTRACT

Y2SiO5:Pr3+ (1–9 mol%) nanophosphors were prepared via combustion synthesis using Calotropis gigantea plant latex as fuel. The PXRD patterns of the sample revealed a monoclinic phase with phase group P21/C n.14. The crystallite size was found to be in the range of 40–48 nm. The effect of Pr3+ cations on the luminescence characteristics of YSO nanoparticles was studied. The CIE chromaticity coordinates were located in the yellow region. Hence, the present phosphor finds applications in light-emitting diodes and display devices.

Acknowledgments

The authors thank VGST, Govt. of Karnataka, India, for providing extended support to carry out this research work.

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