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Luminescent Properties of the Surface of ZnS-Mn Nanocrystals Obtained by the Method of Self-Propagating High-Temperature Synthesis
Abstract
The luminescence of nanocrystalline ZnS-Mn powder obtained by the method of self-propagating high-temperature synthesis is studied. The luminescence was excited by the chemical reaction of recombination of hydrogen atoms on the surface. There is described the technique of synthesis and ZnS-Mn characteristics obtained using X-ray diffraction analysis and EPR spectra, and also non-stationary luminescent methods for studying elementary acts of interaction of hydrogen with a surface. The mechanisms of reaction of recombination of H-atoms on the surface are established, and a mechanism is developed for the excitation of heterogeneous chemiluminescence of nanocrystalline ZnS-Mn by atomic hydrogen. Criteria for sensors of atoms in gases are determined. It is shown that the synthesized ZnS-Mn samples can be used to construct highly sensitive inertialess chemiluminescent sensors for detecting hydrogen atoms in gases.
About the Authors
V. P. Grankin
Pryazovskyi State Technical University
Ukraine
Ukraine
Mariupol, 87500
D. V. Grankin
Pryazovskyi State Technical University
Ukraine
Ukraine
Mariupol, 87500
A. V. Kovalenko
Oles Honchar Dnipro National University
Ukraine
Ukraine
Dnepr, 49010
O. V. Khmelenko
Oles Honchar Dnipro National University
Ukraine
Ukraine
Dnepr, 49010
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Review
For citations:
Grankin V.P., Grankin D.V., Kovalenko A.V., Khmelenko O.V. Luminescent Properties of the Surface of ZnS-Mn Nanocrystals Obtained by the Method of Self-Propagating High-Temperature Synthesis. Zhurnal Prikladnoii Spektroskopii. 2021;88(2):179-186. (In Russ.)
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