Abstract
Single RE3+ (RE = Eu3+, Tb3+, Dy3+, Sm3+) doped Ba2Gd(BO3)2Cl phosphors were synthesized by the high temperature solid state reaction. Spectroscopic properties of Ba2Gd(BO3)2Cl: RE3+ under vacuum ultraviolet (VUV), ultraviolet (UV) light and low-voltage electron beam excitations were investigated. The Ba2Gd(BO3)2Cl: Dy3+ shows a white light emission under VUV, UV light and electron beam excitation, respectively. Upon different excited source excitation, Ba2Gd(BO3)2Cl: Tb3+ shows similar yellowish-green emissions. Ba2Gd(BO3)2Cl: Sm3+ and Ba2Gd(BO3)2Cl: Eu3+ phosphors show bright orange–red and red emitting under VUV, UV light and electron beam excitation. These results indicated that the Ba2Gd(BO3)2Cl: RE3+ phosphors can be considered as a bright multicolor phosphors for multifunctional application, such as Hg-free lamps, PDPs, W-LEDs and FEDs.
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