Ce3+、Mn2+ 掺杂的 K2AEP2O7（AE = Ca、Sr）荧光粉中的发光与能量转移

Luminescence and energy transfer in Ce3+, Mn2+- doped K2AEP2O7 (AE = Ca, Sr) phosphor.

作者信息

Hatwar L R, Wankhede S P, Moharil S V, Muthal P L, Dhopte S M

机构信息

Department of Physics, B.M. College of Engineering, Nagpur, India.

Department of Physics, K.D.K. College of Engineering, Nagpur, India.

出版信息

Luminescence. 2015 Sep;30(6):904-9. doi: 10.1002/bio.2843. Epub 2015 Jan 30.

DOI:10.1002/bio.2843

PMID:25645455

Abstract

Pyrophosphates K2AEP2O7 (AE = Ca, Sr) prepared by the classical solid-state technique and activated with Ce(3+) are described. Intense emission was observed in K2AEP2O7 (AE = Ca, Sr). The effect of Mn(2+) co-doping was studied. The broad emission peak of Mn(2+) was observed at 534 nm in K2 rP2O7:Ce(3+) and at 539 nm in K2CaP2O7:Ce(3+), Mn(2+). Mn(2+) emission was greatly enhanced by addition of the sensitizer Ce(3+) due to efficient energy transfer from Ce(3+) to Mn(2+).

摘要

描述了通过经典固态技术制备并用Ce(3+)激活的焦磷酸盐K2AEP2O7（AE = Ca，Sr）。在K2AEP2O7（AE = Ca，Sr）中观察到强烈发射。研究了Mn(2+)共掺杂的影响。在K2rP2O7:Ce(3+)中，Mn(2+)的宽发射峰在534 nm处观察到，在K2CaP2O7:Ce(3+)，Mn(2+)中在539 nm处观察到。由于从Ce(3+)到Mn(2+)的有效能量转移，添加敏化剂Ce(3+)极大地增强了Mn(2+)发射。