Synthesis and luminescence of a new yellowish phosphor PbGd1-xB7O13:xDy3+

Autor: Ji Zhao, Dan Zhao, Yun-Chang Fan, Cong-Kui Nie, Shan-Xiu Huang, Qiu Zong, Bao-Zhong Liu, Jun Chen, Ye Tian
Rok vydání: 2018
Předmět:
Zdroj: Optik. 161:342-347
ISSN: 0030-4026
DOI: 10.1016/j.ijleo.2018.02.037
Popis: A series of phosphors PbGd1-xB7O13:xDy3+ (x = 0–0.14) were synthesized by the high temperature solid-state reaction method. The as-prepared products were characterized by powder X-ray diffractometer (XRD) and photoluminescence spectrometer (PL). The results indicate that PbGd1-xB7O13:xDy3+ exhibits two emission peaks: the blue emission at around 488 nm due to 4F9/2 → 6H15/2 transition and the yellow emission at around 572 nm due to 4F9/2 → 6H13/2 transition. The optimum doping concentration was found to be 6 mol% for Dy3+ ion. The commission international Del’Eclairage (CIE) chromaticity coordinates of the phosphors were about (0.394, 0.463), corresponding to yellowish color.
Databáze: OpenAIRE