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O 2 ‐Generation by Oxidation of Water with Di‐ and Trinuclear Ruthenium Complexes as Homogeneous and Heterogeneous Catalysts
Author(s) -
Ramaraj Ramasamy,
Kira Akira,
Kaneko Masao
Publication year - 1986
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.198610091
Subject(s) - ruthenium , oxidizing agent , homogeneous , catalysis , chemistry , decomposition , cleavage (geology) , molecule , bond cleavage , medicinal chemistry , photochemistry , combinatorial chemistry , organic chemistry , materials science , physics , fracture (geology) , composite material , thermodynamics
The decomposition of water into O 2 and H ⊕ is an attractive process in many ways. The processes in a system consisting of ruthenium red (formula: [(NH 3 ) 5 Ru III ORu IV (NH 3 ) 4 ORu III (NH 3 ) 5 ]Cl 6 ) as catalyst. Ce IV as oxidizing agent, and, where necessary, Kaolin as carrier, can be explained as follows: Ce IV generates from ruthenium red a species that adds two H 2 O‐molecules to give 1 . Cleavage of H and formation of the OO bond leads to cyclic intermediates 2 , which decomposes into O 2 and ruthenium.