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[5,10,15,20-Tetrakis(4-((pentaammineruthenio)- cyano)phenyl)porphyrinato]cobalt(II) Immobilized on Graphite Electrodes Catalyzes the Electroreduction of O_2 to H_2O, but the Corresponding 4-Cyano-2,6-dimethylphenyl Derivative Catalyzes the Reduction Only to H_2O_2

Steiger, Beat and Anson, Fred C. (1997) [5,10,15,20-Tetrakis(4-((pentaammineruthenio)- cyano)phenyl)porphyrinato]cobalt(II) Immobilized on Graphite Electrodes Catalyzes the Electroreduction of O_2 to H_2O, but the Corresponding 4-Cyano-2,6-dimethylphenyl Derivative Catalyzes the Reduction Only to H_2O_2. Inorganic Chemistry, 36 (18). pp. 4138-4140. ISSN 0020-1669. https://resolver.caltech.edu/CaltechAUTHORS:20180529-110358826

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Abstract

Cobalt porphyrins in which Ru(NH_3)_5^(2+) groups are coordinated to four cyanophenyl ligands pendant to the porphyrin ring act as catalysts for the electroreduction of O_2 when adsorbed on the surface of graphite electrodes. The parent 4-cyanophenyl derivative catalyzes the four-electron reduction of O_2 to H_2O, but the 4-cyano-2,6-dimethylphenyl derivative catalyzes only the two-electron reduction of O_2 to H_2O_2.


Item Type:Article
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https://dx.doi.org/10.1021/ic970275oDOIArticle
Additional Information:© 1997 American Chemical Society. Received March 7, 1997. This work was supported by the U.S. National Science Foundation. The experienced advice and enthusiastic encouragement of Dr. Chunnian Shi are a pleasure to acknowledge.
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Issue or Number:18
Record Number:CaltechAUTHORS:20180529-110358826
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180529-110358826
Official Citation:[5,10,15,20-Tetrakis(4-((pentaammineruthenio)- cyano)phenyl)porphyrinato]cobalt(II) Immobilized on Graphite Electrodes Catalyzes the Electroreduction of O2 to H2O, but the Corresponding 4-Cyano-2,6-dimethylphenyl Derivative Catalyzes the Reduction Only to H2O2 Beat Steiger and Fred C. Anson Inorganic Chemistry 1997 36 (18), 4138-4140 DOI: 10.1021/ic970275o
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86662
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:29 May 2018 18:15
Last Modified:03 Oct 2019 19:46

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