Journal of Materials Science

, Volume 42, Issue 24, pp 10090–10097 | Cite as

The influence of ions’ substitution on the optical properties of A2MX4 crystals

  • Radosław BelkaEmail author


In this article, results based on the research of optical properties of A2MX4 type crystals (A—organic cation, M—metal, X—halogen) composed of different chemical elements are presented. These crystals were grown by the evaporation method from water solutions of AX and MX2 compounds in an appropriate molar ratio. The conducted X-ray investigations show a different crystal structures, ranging from tetragonal to triclinic ones. Also, the structure of the ion complex for Cu2+ crystals varied. The investigation showed both CuCl 4 2− tetrahedral and CuCl · 2H2O2− octahedral deformed complexes in investigated crystals. Additionally, the optical spectra of the samples were measured in the range of 250–850 nm. Based on the crystal field theory, it was shown that the shape of absorption spectra and colour of the crystals depend on the distortion of these complexes.


Optical Spectrum Crystal Field Crystal Field Theory Observe Absorption Band K2ZnCl4 



The author would like to thank Mr. Grzegorz Dutkiewicz from the Department of Chemistry at the Adam Mickiewicz University in Poznań for the assistance given in carrying out the structural investigations, and also Prof. Małgorzata Suchańska for her helpful discussions during the research project.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Division of Telecommunications and PhotonicsKielce University of TechnologyKielcePoland

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