HANDBOOK ON THE PHYSICS AND CHEMISTRY OF RARE EARTHS

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HANDBOOK ON THE PHYSICS AND CHEMISTRY OF RARE EARTHS ( handbook-onphysics-and-chemistry-rare-earths )

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TABLE 11 Luminescence Data of Phosphor Materials for White-LED—Cont’d Host Dopant Conc. (mol%) lex (nm) 460 410 400 lem (nm) 665 630 470 T1/2 (K) – – – QE (in/ex) References Ca4(PO4)2O CsMgPO4 LiCaPO4 LiSrPO4 NaBaPO4 NaMgPO4 NaSrPO4 Rb2CaP2O7 Sr3Gd(PO4)3 Sr4(PO4)2O Sr8MgSc(PO4)7 Ca7Si2P2O16 Li6Gd(BO3)3 LiCaBO3 LiSrBO3 NaCaBO3 NaSr4(BO3)3 Eu2+ 1.25 Eu2+ 4 –/– [58] 10%/– [59] 58–70%/– [60,61] 52%/– [62,63] 39%/– [64] 81%/– [65] 42%/– [66] –/– [67] –/– [68] –/– [69] 21%/– [70] –/– [71] –/– [72] –/– [73] 18%/– [74] 75%/– [75] –/– [76] Eu2+ 0.1 Eu2+ 3 400 355 450 380 347 355 465 400 395 350 365 460 347 340 445 470 628 451 610 500 680 600 525,650 420 – Eu2+ 5.0 550 Eu2+ 2.5 – – – – – – – – – – – – Eu2+ 0.4 Eu2+ 0.6 Eu2+ 1 Eu2+ 0.5 Eu2+ 1 Eu2+ 5 Ce3+ 5 Ce3+ 3 Eu2+ 3 Ce3+ 1 Ce3+ 3 428 618 421 425

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