Synthesis of a promising red-emitting Ce3+ doped Y(P1−xVx)O4 phosphor for white light emitting diodes

Even though fingerprints remain one of the most reliable methods of identification, they are often lost during the recovery process. Accurate fingerprint recognition depends on the contrast between the ridges and substrate. On tough surfaces, such as glossy, colorful, and patterned materials, the contrast is harder to establish. Photoluminescent materials play a crucial role in forensic investigations as they enable the development of procedures that enhance image quality and increase the accuracy of findings from security institutions. Due to the strong emission in the red area at 620 nm, the use of trivalent Rare Earth ions (RE3+) doped materials in this work is notable. Because of the unique properties and abundance of cerium, luminous materials based on SiO2-Zr2O3: Ce3+, Sr2+ prepared via sol-gel technique present a more practical alternative for use in criminal investigations compared to current photonic materials. The sample was further co-doped with synthetic (Safranin-O and crystal violet) as well as organic (curcumin and lycopene) photoluminescent dyes. The nanocomposites were examined using X-ray diffraction analysis (XRD), energy-dispersive X-ray analysis (EDX), dynamic light scattering (DLS), scanning electron microscopy (SEM), and photoluminescence spectroscopy (PL). In conclusion, this work highlights the qualities critical to obtaining higher-resolution latent fingerprint images for potential forensic applications.

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Achieving full-visible-spectrum LED lighting via employing an efficient Ce3+-activated cyan phosphor

Sun

Wang

Sun

et al. 2020

Materials Today Energy

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Synthesis of a promising red-emitting Ce3+ doped Y(P1−xVx)O4 phosphor for white light emitting diodes

Cited by 3 publications

References 38 publications

Multicolour tuning of different RE ion doped CaMoO4 nanoparticles by single wavelength excitation

Multicolour tuning of different RE ion doped CaMoO4 nanoparticles by single wavelength excitation

Revolutionizing Fingerprint Detection: Ce3+ Doped SiO2-Zr2O3:Sr2+ Nanocomposites with Enhanced Luminescence and Selectivity

Achieving full-visible-spectrum LED lighting via employing an efficient Ce3+-activated cyan phosphor

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