Thermal Decomposition of Silver Oxide Monitored by Raman Spectroscopy: From AgO Units to Oxygen Atoms Chemisorbed on the Silver Surface | Zendy

Pettinger Bruno | Zendy; Bao Xinhe | Zendy; Wilcock Ian | Zendy; Muhler Martin | Zendy; Schlögl Robert | Zendy; Ertl Gerhard | Zendy

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Thermal Decomposition of Silver Oxide Monitored by Raman Spectroscopy: From AgO Units to Oxygen Atoms Chemisorbed on the Silver Surface

Author(s) -

Pettinger Bruno,

Bao Xinhe,

Wilcock Ian,

Muhler Martin,

Schlögl Robert,

Ertl Gerhard

Publication year - 1994

Publication title -

angewandte chemie international edition in english

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 0570-0833

DOI - 10.1002/anie.199400851

Subject(s) - raman spectroscopy , formaldehyde , oxide , metal , catalysis , oxygen , methanol , decomposition , inorganic chemistry , thermal decomposition , chemistry , silver oxide , chemisorption , spectroscopy , atmosphere (unit) , analytical chemistry (journal) , materials science , organic chemistry , physics , quantum mechanics , optics , thermodynamics

When Ag 7 O 8 NO 3 is heated in an O 2 ‐free atmosphere between 300 and 930 K, its AgO units (300–480 K) are transformed into Ag 2 O units (480–580 K) and ultimately into metallic Ag. A strongly chemisorbed O γ species is found on the Ag surface at temperatures between 580 and 900 K which participates in the catalytic oxidation of methanol to give formaldehyde. The various O species were characterized by Raman spectroscopy.

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