Yazar "Kaynar, Ümit H." için listeleme
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Enhancement of luminescence and thermal stability in Eu3+-doped K3Y (BO2)6 with Li+ and Na+ co-doping
Kaynar, Ümit H.; Aydın, Hasan; Altowyan, Abeer S.; Hakami, Jabir Wali; Çoban, Mustafa Burak; Ayvacıklı, Mehmet; Ekdal Karali, E.; Canımoğlu, Adil (Elsevier B.V., 2024)Eu3+-doped and Li+ /Na+ co-doped K3Y(BO2)6 (KYBO) phosphors were synthesized through a microwaveassisted sol–gel method, and their structural and photoluminescent (PL) characteristics were examined. X-ray diffraction ... -
Novel Sm3+doped YCa4O(BO3)3 phosphors: Structural and, low and room temperature luminescent insights
Souadi, G.; Amri, Nasser; Kaynar, Ümit H.; Çoban, Mustafa Burak; Madkhali, O.; Ayvacikli, M.; Can, N. (Pergamon-Elsevier Science Ltd, 2024)Inorganic phosphors, known for their ability to capture energy from various sources and emit visible light, have become essential in the development of advanced lighting and display technologies. This study explores ... -
Phase transition and luminescence characteristics of dysprosium doped strontium stannate phosphor synthesized using hydrothermal method
Kaynar, Ümit H.; Çoban, Mustafa Burak; Madkhli, A. Y.; Ayvacikli, M.; Can, N. (Elsevier Sci Ltd, 2023)A series of strontium stannate (SrSnO3) doped with Dy3+ ions at various wt % concentrations (1, 2, 3 and 5) were synthesized via hydrothermal reaction and analysed using X-ray diffraction (XRD), energy dispersive spectroscopy ... -
Structural and temperature dependence luminescence characteristics of RE (RE=Eu3+, Dy3+, Sm3+ and Tb3+) in the new gadolinium aluminate borate phosphor
Madkhali, O.; Kaynar, Ümit H.; Alajlani, Y.; Çoban, Mustafa Burak; Guinea, J. Garcia; Ayvacıklı, M.; Pierson, J. F.; Can, N. (Elsevier Sci Ltd, 2023)GdAl3(BO3)4:Dy3+, Sm3+, Eu3+, and Tb3+ samples were successfully achieved via a sol-gel combustion method. The observed XRD analysis confirms the formation of the desired GAB host, indicating rhombohedral structures that ... -
Synthesis, characterization and enhanced photoluminescence and temperature dependence of ZrO2:Dy3+phosphors upon incorporation of K plus ions
Can, N.; Çoban, Mustafa Burak; Souadi, G.; Kaynar, Ümit H.; Ayvacıklı, M.; Guinea, J. Garcia; Karalı, E. Ekdal (Elsevier Sci Ltd, 2023)This study reports the successful synthesis and comprehensive characterization of ZrO2:Dy3+ phosphors with the incorporation of K+ ions. The introduction of Dy3+ and K+ in the ZrO2 lattice as lanthanide activators ...
