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Infrared spectra of nitric oxide adsorbed on photoreduced V/SiO2 catalyst

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Abstract

Studies of the IR spectra of surface species produced via NO adsorption on selectively photoreduced V/SiO2 catalysts indicate that at low coverages NO is adsorbed on V3+ ions to form strongly bonded mononitrosyl species V3+...... NO. With increasing NO coverage, V3+ is oxidized to V4+, which is accompanied by the appearance of gaseous N2O and weak adsorption of NO on V4+.

Abstract

Изучены ИК-спектры комплексов, образующихся при адсорбции NO на селективно фотовосстановленных V/SiO2 катализаторах. Установлено, что на ионах V3+ при малых покрытиях NO адсорбируется с образованием прочно связанных нитрозильных комплексов V3+... NO. При увеличении покрытия происходит окисление V3+ до V4+, сопровождающееся выделением N2O в газовую фазу и слабой адсорбцией NO на V4+.

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References

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Gerasimov, S.F., Filimonov, V.N. Infrared spectra of nitric oxide adsorbed on photoreduced V/SiO2 catalyst. React Kinet Catal Lett 25, 273–275 (1984). https://doi.org/10.1007/BF02064414

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  • DOI: https://doi.org/10.1007/BF02064414

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