zhpsЖурнал прикладной спектроскопииZhurnal Prikladnoii Spektroskopii0514-7506B. I. Stepanov Institute of Physics of the National Academy of Scienceszhps-1577Research ArticleАННОТАЦИИ АНГЛОЯЗЫЧНЫХ СТАТЕЙABSTRACTS ENGLISH-LANGUAGE ARTICLESСинтез и люминесцентные свойства допированного ионами Pb2+ люминофора K2Al2B2O7Synthesis and Photoluminescence Properties of Pb2+ Doped K2A2B2O7Pekgözlüİ.Pekgözlüİ.

Карабюк

Faculty of Engineering, Department of Environmental Engineering,

Karabük

pekgozluilhan@yahoo.comУниверситет КарабюкаKarabuk University202430052024913463463Copyright © Pekgözlü İ., 20242024Pekgözlü 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/1577

Ультрафиолетовые люминофоры K2–xPbxAl2B2O7 (0.0025 ≤ x ≤ 0.03) синтезированы при 850 °С в течение 6 ч на воздухе. Методом порошковой рентгеновской дифракции проанализированы фазы полученных боратов. Методом ИК-Фурье-спектроскопии исследована структура связей K2Al2B2O7. При комнатной температуре на спектрофлуориметре исследованы фотолюминесцентные характеристики полученных люминофоров. Обнаружено, что K2Al2B2O7:Pb2+ имеет полосы излучения и возбуждения при 373 и 271 нм. Проведено исследование корреляции между интенсивностью излучения и содержанием Pb2+ для K2–xPbxAl2B2O7. Оптимальная концентрация Pb2+ составляет 0.01 моль. Для полученного люминофора K2Al2B2O7:Pb2+ стоксов сдвиг 10090 см–1. 

Ultraviolet-emitting phosphors with the formula K2–xPbxAl2B2O7 (0.0025 ≤ x ≤ 0.03) were synthesized at 850ºC for 6 h in air. The powder X-ray diffraction technique was used to analyze the phases of all prepared borates. The FTIR technique was used to examine the bond structure of K2Al2B2O7. At room temperature, a spectrofluorometer was used to examine the photoluminescence characteristics of the prepared phosphors. K2Al2B2O7:Pb2+ was found to have emission and excitation bands at 373 and 271 nm, respectively. An extensive investigation was conducted on the correlation between emission intensity and Pb2+ content for K2–xPbxAl2B2O7. Consequently, 0.01 mol Pb2+ was found to be the optimal concentration in K2Al2B2O7. Eventually, it was found that the Stokes shift of the prepared material K2Al2B2O7:Pb2+ is 10,090 cm−1 using the excitation band at 271 nm and the emission band at 373 nm. As a result of this investigation, a brandnew UVA radiation-emitting material has been established.

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