Research on Chemical Intermediates

, Volume 41, Issue 4, pp 2479–2488 | Cite as

Influence of praseodymium doping concentration on the structural and optical properties of strontium molybdate crystals



The SrMoO4 phosphors activated by the Pr3+ ions have been synthesized by precursor method conditions using Pr6O11, Na2MoO4·2H2O, and Sr(NO3)2 as raw materials. The crystal structures and morphologies of the products were characterized by powder X-ray diffraction (XRD), Fourier transform infrared spectrometry, scanning electronic microscopy, and fluorescence spectrometry. XRD indicated that the phosphors crystallized in the tetragonal system of scheelite type. The excitation spectra show intense broad bands in the 220–300 nm range, and three lines peaking at 450, 472, and 485 nm, which were assigned to the H43P2, 3H43P1, and 3H43P0 absorption transitions of Pr3+. The emission spectrum excited by 224, 241, and 450 nm exhibit sharp lines peaking at 485, 616, and 645 nm, which were assigned to the 3P03H4, 1D23H4, and 3P03F2 absorption transitions of Pr3+, respectively. The concentration of Pr3+ had an obvious influence on the luminescent properties. The emission and excitation intensities reached their maxima when the concentration of Pr3+ reached 4 %.


Pr3+ Strontium molybdate Fluorescence spectroscopy 



This work was supported by the Foundation of He’nan Educational Committee [Grant No. 2009B430017; 13A150103] and Department of Science and Technology (Grant No. 132102310296). We thank the Foundation of Zhoukou Normal University Key Laboratory of rare earth luminescent material for financial support of this research (Grant No: K201319).


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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  1. 1.Department of ChemistryZhou Kou Normal UniversityZhoukouPeople’s Republic of China
  2. 2.Key Laboratory of Rare Earth Luminescent MaterialZhou Kou Normal UniversityZhoukouPeople’s Republic of China

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