Analysis of catalytic water oxidation by cis-tetraamminedichlorouthenium (III) complex incorporated in a polymer membrane
Article Abstract:
A new study finds that the cis-tetraamminedichlorourethenium (III) complex cis-[Ru(NH3)4Cl2]+ works as well as Nafion mebrane as an active water oxidation catalyst in an aqueous solution.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2000
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Entropy effect on physical displacement of redox molecules in a Nafion film as studied by double potential-step chronoabsorptometry
Article Abstract:
Studies on charge transport (CT) in a Nafion film incorporating [(NH3)5Ru(mu-pz)Ru(NH3)5]4+([RuII-RuII]4+; pz=pyrazine) using a double potential-step chronoabsorptometry (DPSCA) technique is reported. The predominant CTs by a physical displacement mechanism of the complexes was found for each step, however the rate constant of the CT for the first step was found to be 5.2 times higher than that for the second step at 25 degree.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2003
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Cooperative catalysis and critical decomposition distances in water oxidation by the mononuclear ammineruthenium(III) complex in a Nafion membrane
Article Abstract:
The intrinsic activity of hexaammineruthenium(III) complex ((Ru(NH(sub 3))(sub 6))(super 3+)) as a water oxidation catalyst has been investigated in a homogeneous aqueous solution and in a heterogeneous Nafion membrane. It was found that the apparent catalytic activity of the complex declined monotonically with the concentration, which can be attributed to a bimolecular decomposition of the complex at high concentrations. On the other hand, the catalytic activity in the Nafion membrane was significantly higher than that in the aqueous solution at the whole concentration range.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1999
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