SYNTHESIS AND PHOTOLUMINESCENCE PROPERTIES OF Pb2+-DOPED K2Al2B2O7
Küçük Resim Yok
Tarih
2024
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Springer
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Ultraviolet-emitting phosphors with the formula K2-xPbxAl2B2O7 (0.0025 <= x <= 0.03) were synthesized at 850 degrees C 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 brand-new UVA radiation-emitting material has been established.
Açıklama
Anahtar Kelimeler
aluminum borate, luminescence, X-ray diffraction, Pb2+ ion
Kaynak
Journal of Applied Spectroscopy
WoS Q Değeri
N/A
Scopus Q Değeri
Q4
Cilt
91
Sayı
3
