Luminescent Mn<sup>2+</sup>-Doped MgO–Al<sub>2</sub>O<sub>3</sub>–ZrO<sub>2</sub>–SiO<sub>2</sub> Sol-Gel Materials

Author:

Evstropiev S. K.123,Stolyarova V. L.45,Saratovskii A. S.34,Bulyga D. V.12,Dukelskii K. V.126,Knyazyan N. B.7,Yurchenko D. A.4

Affiliation:

1. Vavilov State Optical Institute

2. ITMO University

3. Saint Petersburg State Institute of Technology

4. Institute of Silicate Chemistry of Russian Academy of Sciences

5. Saint Petersburg State University

6. Bonch-Bruevich Saint Petersburg State University of Telecommunications

7. Armenian State Institute of Inorganic Chemistry

Abstract

In present work Mn2+-doped MgO-Al2O3-ZrO2-SiO2 materials were synthesized. Their structure, morphology, chemical composition and luminescent properties were studied using X-Ray diffraction, scanning electron microscopy, EDX analysis and luminecent spectroscopy. It was shown that the application of sol-gel method provides the high-volume homogeneity of chemical composition of synthesized materials. Introduction of Mn into the composition of sol-gel materials accelerates significantly the crystalization processes during the thermal treatment. In the luminescence spectra several groups of emission bands are observed. These bands are situated in blue and yellow-red part of spectrum. this phenomenon is related with incorporation of Mn2+ into the structure of different crystals formed during the thermal treatment of gels. Obtained materials can be perspective for application as luminophores in the lighting for plant production.

Publisher

The Russian Academy of Sciences

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