Rare Earth (Eu3+,Pr3+)doped LaOF nanopowder for display applications
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Presently, green route synthesis compared with conservative chemical and physical synthesis could be a preferable synthesis route due to environmentally friendly conditions, due to their less speed of metal reduction, it does not require further stabilizing agents, because extracts themselves act as stabilizing and capping agents and the nanopowders, prepared by biological methods. Rare earth (RE) doped lanthanum oxyfluorides (LaOF) have been widely used in high performance luminescent devices, magnets, catalysts and other functional materials based on the electronic, optical and chemical char...
Presently, green route synthesis compared with conservative chemical and physical synthesis could be a preferable synthesis route due to environmentally friendly conditions, due to their less speed of metal reduction, it does not require further stabilizing agents, because extracts themselves act as stabilizing and capping agents and the nanopowders, prepared by biological methods. Rare earth (RE) doped lanthanum oxyfluorides (LaOF) have been widely used in high performance luminescent devices, magnets, catalysts and other functional materials based on the electronic, optical and chemical characteristics. Among the rare earth compounds, more attention has been paid to Eu3+, Pr3+ ions because of its potential practical applications in electro luminescent displays, plasma display panels, field emission mercury-free lamps etc. Photometric results clearly showed Li co-doped samples was highly useful for display device applications. Judd-Ofeltintensity parameters ( 2 and 4 )was done to estimate the radiative parameters. The prepared nanopowders are same size and highly crystalline nature, due to its, recognition of individuals in forensic field easily by using fingerprint.
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