Structural and luminescence studies of Dy3+-activated cadmium calcium pyrophosphate

Cadmium calcium pyrophosphate-doped Dy 3+ ions were prepared through solution combustion technique and evaluated in the present study. The structural and luminescence measurements were carried out to reveal average crystallite size, vibrational bands, morphology and emission spectrum for white illum...

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Bibliographic Details
Published in:Applied physics. A, Materials science & processing Materials science & processing, 2020, Vol.126 (1), Article 2
Main Authors: Munimasthani, Sk, Sarathkumar, S., Udaychandran Thampy, U. S., Ravikumar, R. V. S. S. N.
Format: Article
Language:English
Subjects:
Applied physics
Cadmium
Calcium
Characterization and Evaluation of Materials
Condensed Matter Physics
Crystallites
Diodes
Display devices
Energy gap
Luminescence
Machines
Manufacturing
Materials science
Mathematical analysis
Morphology
Nanotechnology
Optical and Electronic Materials
Organic light emitting diodes
Photometry
Physics
Physics and Astronomy
Processes
Surfaces and Interfaces
Thin Films
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Summary:Cadmium calcium pyrophosphate-doped Dy 3+ ions were prepared through solution combustion technique and evaluated in the present study. The structural and luminescence measurements were carried out to reveal average crystallite size, vibrational bands, morphology and emission spectrum for white illumination. The diffuse reflectance spectra for cadmium calcium pyrophosphate doped with Dy 3+ were also recorded and, with the help of Kubelka–Munk theory, the band gap of the material was obtained. The Commission Internationale de I’Eclairage coordinates [( x , y ) = (0.272, 0.281)], colour rendering index and colour purity of the prepared sample were calculated. Wide band gap and good photometric parameters of cadmium calcium pyrophosphate: Dy 3+ indicate that it can be utilized in the fields of display devices and light-emitting diodes.
ISSN:0947-8396
1432-0630
DOI:10.1007/s00339-019-3180-x