Синтез та дослідження властивостей композицій гетерополісполука/оксидний носій

V. V. Sydorchuk; S. V. Khalameida; R. Leboda; J. Skubiszewska-Zięba; L. A. Davydenko; V. A. Zazhigalov

Authors

V. V. Sydorchuk Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine
S. V. Khalameida Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine
R. Leboda Maria Curie-Skłodowska University
J. Skubiszewska-Zięba Maria Curie-Skłodowska University
L. A. Davydenko Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
V. A. Zazhigalov Institute for Sorption and Problems of Endoecology of National Academy of Sciences of Ukraine

Abstract

Ammonium phosphoromolybdate has been embedded into silica structure via sol-gel synthesis and deposition on the surface of oxide supports during mechanochemical treatment. Prepared compositions have been studied by XRD, DTA-TG, FTIR and UV-Vis spectroscopy, nitrogen adsorption. Ammonium phosphoromolybdate retains Keggin structure after embedding into oxide matrix. Samples synthesized through sol-gel method possess micro-mesoporous structure while those mechanoactivated have macro-mesoporous one. All the compositions exhibit higher photocatalytic activity as compared with that of bulk APM in the process of safranin degradation in aqueous medium.

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