Plasma-induced chemisorption of nitrogen and hydrogen on alumina-supported platinum catalysts

S. Kameoka; S. Ito; K. Kunimori

doi:10.1016/S0167-2991(08)63185-7

Plasma-induced chemisorption of nitrogen and hydrogen on alumina-supported platinum catalysts

S. Kameoka, S. Ito, K. Kunimori

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Nitrogen was chemisorbed on a Pt/Al₂O₃ catalyst by a plasma discharge of N₂, and the chemical reactivity of the chemisorbed nitrogen with hydrogen was studied by temperature-programmed desorption (TPD) and infrared (IR) spectroscopy. The adsorbed nitrogen was desorbed at around 200°C by TPD, and a part of the adsorbed species was reacted with hydrogen to form NH₃. IR spectroscopy showed an absorption band at 2260 cm⁻¹, which was assigned to N-N streching of molecular N₂(a) chemisorbed mainly on the Al₂O₃ support. It was suggested that the N₂(a) reacted with the spiltover hydrogen from Pt surface even at room temperature.

Original language	English
Pages (from-to)	257-260
Number of pages	4
Journal	Studies in Surface Science and Catalysis
Volume	77
Issue number	C
DOIs	https://doi.org/10.1016/S0167-2991(08)63185-7
Publication status	Published - 1993 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Condensed Matter Physics
Physical and Theoretical Chemistry
Surfaces, Coatings and Films
Materials Chemistry

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title = "Plasma-induced chemisorption of nitrogen and hydrogen on alumina-supported platinum catalysts",

abstract = "Nitrogen was chemisorbed on a Pt/Al2O3 catalyst by a plasma discharge of N2, and the chemical reactivity of the chemisorbed nitrogen with hydrogen was studied by temperature-programmed desorption (TPD) and infrared (IR) spectroscopy. The adsorbed nitrogen was desorbed at around 200°C by TPD, and a part of the adsorbed species was reacted with hydrogen to form NH3. IR spectroscopy showed an absorption band at 2260 cm−1, which was assigned to N-N streching of molecular N2(a) chemisorbed mainly on the Al2O3 support. It was suggested that the N2(a) reacted with the spiltover hydrogen from Pt surface even at room temperature.",

author = "S. Kameoka and S. Ito and K. Kunimori",

year = "1993",

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doi = "10.1016/S0167-2991(08)63185-7",

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T1 - Plasma-induced chemisorption of nitrogen and hydrogen on alumina-supported platinum catalysts

AU - Kameoka, S.

AU - Ito, S.

AU - Kunimori, K.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - Nitrogen was chemisorbed on a Pt/Al2O3 catalyst by a plasma discharge of N2, and the chemical reactivity of the chemisorbed nitrogen with hydrogen was studied by temperature-programmed desorption (TPD) and infrared (IR) spectroscopy. The adsorbed nitrogen was desorbed at around 200°C by TPD, and a part of the adsorbed species was reacted with hydrogen to form NH3. IR spectroscopy showed an absorption band at 2260 cm−1, which was assigned to N-N streching of molecular N2(a) chemisorbed mainly on the Al2O3 support. It was suggested that the N2(a) reacted with the spiltover hydrogen from Pt surface even at room temperature.

AB - Nitrogen was chemisorbed on a Pt/Al2O3 catalyst by a plasma discharge of N2, and the chemical reactivity of the chemisorbed nitrogen with hydrogen was studied by temperature-programmed desorption (TPD) and infrared (IR) spectroscopy. The adsorbed nitrogen was desorbed at around 200°C by TPD, and a part of the adsorbed species was reacted with hydrogen to form NH3. IR spectroscopy showed an absorption band at 2260 cm−1, which was assigned to N-N streching of molecular N2(a) chemisorbed mainly on the Al2O3 support. It was suggested that the N2(a) reacted with the spiltover hydrogen from Pt surface even at room temperature.

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