Origin of the Concentration Quenching of Luminescence in Zn2SiO4:Mn Phosphors


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Аннотация

The analysis of the unified series of single-phase Zn2 – 2xMn2xSiO4 samples (x ≤ 0.2) has provided the possibility to determine the optimal dopant concentration x = 0.13 for the maximum luminescence intensity. It has been established that the dominating mechanism of concentration luminescence quenching and excitation energy dissipation is the oxidation of some Mn2+ activating ions and the growth of defectness in the luminophore due to this process Phosphors.

Авторлар туралы

T. Onufrieva

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

T. Krasnenko

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

N. Zaitseva

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences; Ural State Mining University

Хат алмасуға жауапты Автор.
Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990; Yekaterinburg, 620144

I. Baklanova

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

M. Rotermel’

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

I. Ivanova

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

I. Popov

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

R. Samigullina

Institute of Solid State Chemistry, Ural Branch, Russian Academy of Sciences

Email: natalzay@yandex.ru
Ресей, Yekaterinburg, 620990

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