Table 1 IQEs of some Eu2+-, Mn2+-, and Cr3+-activated NIR-emitting phosphors

From: Highly efficient Fe3+-doped A2BB′O6 (A = Sr2+, Ca2+; B, B′ = In3+, Sb5+, Sn4+) broadband near-infrared-emitting phosphors for spectroscopic analysis

Phosphor

λex (nm)

λem (nm)

IQE (%)

Ref.

K3LuSi2O7:Eu2+

460

740

15

15

MgAl2O4:Mn2+

450

825

53

19

ScBO3:Cr3+

450

800

65

44

Ca3Y2Ge3O12:Cr3+

460

800

81

45

La3Sc2Ga3O12:Cr3+

480

818

35

46

Ga1.6In0.4O3:Cr3+

450

820

87.9

34

La2MgZrO6:Cr3+

460

825

58

6

K2Ga2Sn6O16:Cr3+

450

830

48

47

LiInSi2O6:Cr3+

460

840

75

35

Sr9Ga0.2(PO4)7:0.8Cr3+

450

850

66.3

5

LaSc3B4O12:Cr3+

460

871

23.29

48

LiScP2O7:Cr3+

470

880

38

49

NaScGe2O6:Cr3+

490

895

40.22

10

NaScGe2O6:Cr3+

490

888

44

This work

Mg3Ga2GeO8:Cr3+

425

915

35

50

La3Ga5GeO14:Cr3+

442

750, 920

20

43

La3Ga5GeO14:Cr3+

440

747, 920

27

This work

Mg2GeO4:Cr3+

470

940

48.19

13

LiIn2SbO6:Cr3+

492

970

7

7

Cs2AgInCl6:Cr3+

760

1010

22.03

33

Sr2InSbO6:Fe3+

340

885

48

This work

Ca2InSbO6:Fe3+

340

935

87

This work