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Novel Reddish Orange Emitting Phosphor K2Al2B2O7: Sm3+
Abstract
K2–xSmxAl2B2O7 (0.0025 ≤ x ≤ 0.04) phosphors were synthesized by a solution combustion method. The X-ray powder diffraction (XRD) method was used to study the phase formation of K2Al2B2O7. The bond structure of the K2Al2B2O7 was obtained by using infrared spectrum measurements. In order to investigate the photoluminescence characteristics of the K2Al2B2O7:Sm3+ phosphors, measurements of the excitation and emission spectra were made. The standard 4f-4f electronic transitions of Sm3+ were seen in the excitation spectrum at ambient temperature. The emission spectrum of K2Al2B2O7: Sm3+ exhibited four emission peaks corresponding to 4G5/2→6H5/2 (564 nm), 4G5/2→6H7/2 (600 nm), 4G5/2→6H9/2 (646 nm), and 4G5/2→6H11/2 (706 nm) transitions of Sm3+. Lastly, the correlation between emission intensity and Sm3+ content was thoroughly investigated.
About the Author
İ. Pekgözlü
Karabük University, Faculty of Engineering, Department of Environmental Engineering
Turkey
Turkey
İlhan Pekgözlü
Karabük
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Review
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Pekgözlü İ. Novel Reddish Orange Emitting Phosphor K2Al2B2O7: Sm3+. Zhurnal Prikladnoii Spektroskopii. 2025;92(3):418.
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