Persistent luminescence of CaMgSi 2 O 6 :Eu 2+ ,Dy 3+ and CaMgSi 2 O 6 :Eu 2+ ,Ce 3+ phosphors prepared using the solid‐state reaction method

CaMgSi 2 O 6 :Eu 2+ ,Dy 3+ and CaMgSi 2 O 6 :Eu 2+ ,Ce 3+ phosphors were synthesized using the solid‐state reaction method. X‐Ray diffraction (XRD) and photoluminescence (PL) analyses were used to characterize the phosphors. The XRD results revealed that the synthesized CaMgSi 2 O 6 :Eu 2+ ,Dy 3+ and CaMgSi 2 O 6 :Eu 2+ ,Ce 3+ phosphors were crystalline and are assigned to the monoclinic structure with a space group C2/c. The calculated crystal sizes of CaMgSi 2 O 6 :Eu 2+ ,Dy 3+ and CaMgSi 2 O 6 :Eu 2+ ,Ce 3+ phosphors with a main (221) diffraction peak were 44.87 and 53.51 nm, respectively. Energy‐dispersive X‐ray spectroscopy (EDX) confirmed the proper preparation of the sample. The PL emission spectra of CaMgSi 2 O 6 :Eu 2+ ,Dy 3+ and CaMgSi 2 O 6 :Eu 2+ ,Ce 3+ phosphors have a broad band peak at 444.5 and 466 nm, respectively, which is due to electronic transition from 4f 6 5d 1 to 4f 7 . The afterglow results indicate that the CaMgSi 2 O 6 :Eu 2+ ,Dy 3+ phosphor has better persistence luminescence than the CaMgSi 2 O 6 :Eu 2+ ,Ce 3+ phosphor. Copyright © 2015 John Wiley & Sons, Ltd.