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Article Abstract
In the present work, Eu/Dy ions doped/co-doped into persistent SrAlO microparticles have been developed through solid-state synthesis followed by homogenization and particle size reduction in a ball milling device. These particles have shown a broad and long-persistent afterglow around the 528 nm wavelength of electromagnetic radiation through a broad excitation at around 400 nm. The luminescence intensity was optimized through the selection of different annealing temperatures in the range of 1100 °C to 1500 °C, with intervals of 100 °C. Several structural and optical characterization techniques, such as XRD, SEM, FTIR, thermogravimetric analysis, and photoluminescence, were utilized to judge the preparation and ability of these particles in possible applications in latent fingermark detection on various difficult surfaces. The persistency and stability of these particles were calculated using a digital lux meter.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10543204 | PMC |
| http://dx.doi.org/10.1039/d3ra03872f | DOI Listing |
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