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

S. Kameoka, S. Ito, K. Kunimori

研究成果: Article査読

1 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)257-260
ページ数4
ジャーナルStudies in Surface Science and Catalysis
77
C
DOI
出版ステータスPublished - 1993 1 1
外部発表はい

ASJC Scopus subject areas

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

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