Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1495361 | Optical Materials | 2013 | 5 Pages |
High-brightness red phosphor, Ca3(PO4)2:Eu3+ was prepared by the solid-state reaction. Its photo-luminescent property was investigated and the optimum concentration of Eu3+-doped in the Ca3(PO4)2 is 4 mol%. Its concentration quenching process is also studied. The single red light-emitting diode was obtained by combining InGaN chip with the red phosphor. The results show that this phosphor is a promising candidate as a red component for fabrication of NUV LEDs.
► High-brightness red phosphor Ca3(PO4)2:Eu3+ was prepared by the solid-state reaction. ► Ca3(PO4)2:Eu3+ exhibits strong and high color purity red emission under NUV excitation. ► The concentration quenching mechanism is found to be dipole–quadrupole (d–q) interaction. ► Bright red LED prototype based on Ca3(PO4)2:Eu3+ phosphor was fabricated.