Desired highly efficient Eu3+ activated GdCaAl3O7 orange-red emanating nanophosphors for UV excitable forensic and advanced information encryption and decryption applications

B.R. Radha Krushna, A.S. Rajashekharaiah,G.P. Darshan,H.B. Premkumar,S.C. Sharma,F. Femila Komahal, V.R. Hemanth Kumar,H. Nagabhushana

Journal of Photochemistry and Photobiology A: Chemistry（2023）

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摘要

•Orange-red emitting GdCaAl3O7:Eu3+ (1–8 mol %) nanophosphors were prepared by solution combustion route.•Photometric properties exhibit orange-red emission with high color purity.•The prepared nanophosphors were highly useful for solid state lightning and forensic applications.

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关键词

Nanophosphors,Latent fingerprints,Security ink,Lip prints,Photometric properties

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