zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1940Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESСинтез и фотолюминесцентные свойства Ca2B2O5, легированного ионами Pb2+Synthesis and Photolumınescence Properties of Pb2+ -Doped Ca2B2O5Pekgözlüİ.Pekgözlüİ.

Карабюк

İlhan Pekgözlü - Faculty of Engineering, Department of Environmental Engineering.

Karabük

pekgozluilhan@yahoo.comУниверситет КарабюкаKarabuk University202507092025924563563Copyright © Pekgözlü İ., 20252025Pekgözlü İ.Pekgözlü İ.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://zhps.ejournal.by/jour/article/view/1940

Исследованы люминесцентные свойства нелегированных и легированных ионами Pb2+ излучающих в УФ-диапазоне люминофоров Ca2–xPbxB2O5 (0.0025 ≤ x ≤ 0.03), приготовленных методом сжигания раствора. Образование моноклинной фазы Ca2B2O5 подтверждено рентгенодифракционными данными. Фотолюминесцентные свойства люминофоров Ca2–xPbxB2O5 (0.0025 ≤ x ≤ 0.03) исследованы с помощью спектрофлуориметра при комнатной температуре. Широкополосный максимум при 331 нм относится к излучению Ca2B2O5:Pb2+ (0.01 моль) и приписывается переходу 3P1→1S0. Для Ca2B2O5 исследована связь между интенсивностью излучения и содержанием Pb2+. По полосе возбуждения при 273 нм и полосе испускания при 331 нм определено, что для Ca2B2O5:Pb2+ стоксов сдвиг 6418 см–1.

Un-doped and a series of Pb2+ ion-doped UV-emitting Ca2-xPbxB2O5 (0.0025 ≤ x ≤ 0.03) phosphors were prepared via the solution combustion method, and their prospective luminescence properties were investigated. The formation of the monoclinic phase of Ca2B2O5 was confirmed by the powder X-ray diffraction result. The Ca2–xPbxB2O5 (0.0025 ≤ x ≤ 0.03) phosphors’ photoluminescence properties were examined using a spectrofluorometer at room temperature. The broadband peaking at 331 nm is the emission peak of Ca2B2O5:Pb2+ (0.01 mol), which is ascribed to the 3P1→1S0 transition. For Ca2B2O5, the relationship between the emission intensity and the Pb2+ content was thoroughly examined. Finally, utilizing the excitation band at 273 nm and the emission band at 331 nm, the Stokes shift of the prepared material, Ca2B2O5:Pb2+, was determined to be 6418 cm–1.

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The authors declare that there are no conflicts of interest present.