Russian Journal of Coordination Chemistry

, Volume 44, Issue 5, pp 359–364 | Cite as

Synthesis and Characterization of a Novel Lanthanide Complex with Photoluminescent and Semiconductive Properties

  • Z. G. Luo
  • W. T. ChenEmail author


A novel lanthanide complex [La(2,5-PA)(2,5-HPA)(H2O)2]n · nH2O (I) (2,5-H2PA = 2,5-pyridinedicarboxylic acid) was synthesized by a hydrothermal reaction and structurally characterized by singlecrystal X-ray diffraction (СIF file CCDC no. 1570808). Complex I is characteristic of a two-dimensional (2D) layered structure with the La3+ ion coordinating with seven oxygen atoms and two nitrogen atoms to yield a slightly distorted monocapped square antiprism. The [La(2,5-PA)(2,5-HPA)(H2O)2]n layers and lattice water molecules interlink together through hydrogen bonding interactions to give a three-dimensional (3D) supramolecular framework. Photoluminescence measurements under room temperature with solidstate samples show that it displays an emission in the green region of the light spectrum. Solid-state UV-Vis spectrum conducted with solid-state samples reveals the existence of a wide optical band gap of 3.57 eV.


crystal lanthanide photoluminescence semiconductor pyridinedicarboxylic acid 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Institute of Applied Chemistry, School of Chemistry and Chemical Engineering, Jiangxi Province Key Laboratory of Coordination ChemistryJinggangshan UniversityJi’an, JiangxiP.R. China
  2. 2.State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou, FujianP.R. China

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