Mechanism of the Thermolysis of Magnesium Perylenetetracarboxylates

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Resumo

Black-red and orange magnesium perylene-3,4,9,10-tetracarboxylate species are synthesized in the ion-exchange reaction at room temperature and by boiling an aqueous solution, respectively. Upon heating the two species to 500°C in argon, they reversibly lose 19–27 wt % of their crystallization water, and the products become black. X-ray diffraction analysis results show the preservation of the layered structure upon heating, which is confirmed via transmission electron microscopy. Exposure to a humid atmosphere rehydrates and restores the original structure. Thermolysis to 1000°С in argon produces a composite of MgO nanoparticles in a porous glassy carbon matrix. The stability of perylenetetracarboxylates up to 500°C makes them a promising candidate for synthesizing metal–organic frameworks.

Sobre autores

S. Naifert

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

D. Zherebtsov

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

D. Uchaev

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

R. Morozov

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

K. Smolyakova

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

E. Orlova

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

A. Pan’kova

South Ural State University

Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

A. Sharova

South Ural State University

Autor responsável pela correspondência
Email: zherebtsov_da@yahoo.com
454080, Chelyabinsk, Russia

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Declaração de direitos autorais © С.А. Найферт, Д.А. Жеребцов, Д.А. Учаев, Р.С. Морозов, К.Р. Смолякова, Е.М. Орлова, А.А. Панькова, А.Л. Шарова, 2023

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