Synthesis and photoluminescence properties of MZr2(PO4)3:Eu3+; Bi3+ (M=Na; K) phosphors

• Authors: Xipu He , Junli Huang , Liya Zhou , Qi Pang , Fuzhong Gong
• Languages of publication: EN

Abstracts

EN

A series of new red phosphors, MZr2(PO4)3:Eu3+; Bi3+ (M=Na; K), were synthesized using the solidstate reaction method, and their photoluminescence spectra were measured. The MZr2(PO4)3:Eu3+; Bi3+ (M=Na; K) phosphors were efficiently excited by an ultraviolet (UV; 395 nm) source, and showed intense orange-red emission at 595 nm. Further investigation of the concentration-dependent emission spectra indicated that the MZr2(PO4)3:Eu3+; Bi3+ (M=Na; K) phosphors exhibit the strongest luminescence intensity when y = 0.01 in NaZr2(0:95−y)(PO4)3:Eu0.103+, Bi2y
3+ and y = 0.09 in NaZr2(0.95−y)(PO4)3:Eu0.103+, Bi2y
3+, whereas the relative PL intensity decreases with increasing Bi3+ concentration due to concentration quenching. The addition of Bi3+ widens the excitation band of NaZr2(0.95−y)(PO4)3:Eu0.103+, Bi2y
3+ around 320 nm, which provides the useful idea of broadening the excitation band around 300–350 nm to fit the ultraviolet chip.

Keywords

EN

optical material; luminescence; phosphor

• Publisher: De Gruyter Open
• Journal: Open Physics
• Year: 2012
• Volume: 10
• Issue: 2
• Pages: 514-518

Dates

published

1 - 4 - 2012

online

31 - 3 - 2012

Contributors

author

Xipu He

• School of Chemistry and Chemical Engineering, Guangxi University, 530004, Nanning, China

author

Junli Huang

• School of Chemistry and Chemical Engineering, Guangxi University, 530004, Nanning, China

author

Liya Zhou

• School of Chemistry and Chemical Engineering, Guangxi University, 530004, Nanning, China

author

Qi Pang

• Department of Chemistry and Biology, Yulin Teachers College, 537000, Yulin, China

author

Fuzhong Gong

• School of Chemistry and Chemical Engineering, Guangxi University, 530004, Nanning, China

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Identifiers

DOI

10.2478/s11534-012-0014-2