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 Host Dopant Conc. (mol%) lex (nm) 395 lem (nm) 512 T1/2 (K) – QE (in/ex) References Oxide (Ba,Sr)2SiO4 (Ba,Sr)3SiO5 (Ba,Sr)10(PO4)4(SiO4)2 Ba2MgSi2O7 Eu2+ 2 Eu2+ 4 460 430 395 365 413 450 363 375 365 450 445 335 450 460 365 580 507 505 503 503 508 555 515 510 653 575 496 505 603 530 400 78%/– [1,2] 73%/– [3] –/– [1] 92%/– [4,5] –/– [6] –/– [7] –/– [8] –/– [9] <52%/– [10] –/– [11] 21%/– [12] 28%/– [13] –/– [14] 41%/– [15-17] –/– [18] –/– [19] Ba2SiO4 Ba2ZnSi2O7 Ba9Sc2Si6O24 BaSiO3 Ca1.65Sr0.35SiO4 Ca2Al2SiO7 Eu2+ 1 Eu2+ 5 Eu2+ 5 Eu2+ 1 a0 L-Ca2SiO4 g-Ca2SiO4 Ca2Y2Si2O9 Ca3Sc2Si3O12 Ca3Si2O7 Ca5(PO4)2SiO4 Eu2+ 40 Eu2+ 75 Eu2+ 7 – – <500 – – – – – – – – – – – Eu2+ 0.2 Eu2+ 3 Ce3+ 0.5 Eu2+ 1 Ce3+ 3 Eu2+ 1 Eu2+ 5 Continued

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