Chemistry of metals in ionomers: Reactions of Rhodium-PSSA with CO, H2, and H2O

Vincent D. Mattera; Philip J. Squattrito; William M. Risen

doi:10.1021/ic00190a033

Chemistry of metals in ionomers: Reactions of Rhodium-PSSA with CO, H₂, and H₂O

Vincent D. Mattera, Philip J. Squattrito, William M. Risen

https://www.cmich.edu/academics/colleges/college-science-engineering/departments-schools/chemistry-and-biochemistry

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Abstract

Rhodium(III) ions have been incorporated in ionic domains of sulfonated linear polystyrene (PSSA) to form PSSA-Rh^IIIfilms. The Rh-containing domains can act as isolated chemical reactors, and their chemical interactions have been explored in this work by controlling the exposure of the rhodium sites to CO, H₂, and H₂0 under mild conditions. Reaction with CO at low temperature, without either prior reduction by H2 or complete dehydration of the PSSA-Rh^IIIfilms, results in production of a Rh¹(CO)₂species. Partial or complete reduction of the films with H₂preceded or followed by exposure to CO results in the formation of Rh¹(CO)₂and, under various conditions, linear and bridging PSSA-Rh⁰carbonyls and CO bound to small Rh(0) particles. The implications of the results for catalysis are discussed.

Original language	English
Pages (from-to)	3597-3601
Number of pages	5
Journal	Inorganic Chemistry
Volume	23
Issue number	22
DOIs	https://doi.org/10.1021/ic00190a033
State	Published - Dec 1984

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title = "Chemistry of metals in ionomers: Reactions of Rhodium-PSSA with CO, H2, and H2O",

abstract = "Rhodium(III) ions have been incorporated in ionic domains of sulfonated linear polystyrene (PSSA) to form PSSA-RhIIIfilms. The Rh-containing domains can act as isolated chemical reactors, and their chemical interactions have been explored in this work by controlling the exposure of the rhodium sites to CO, H2, and H20 under mild conditions. Reaction with CO at low temperature, without either prior reduction by H2 or complete dehydration of the PSSA-RhIIIfilms, results in production of a Rh1(CO)2species. Partial or complete reduction of the films with H2preceded or followed by exposure to CO results in the formation of Rh1(CO)2and, under various conditions, linear and bridging PSSA-Rh0carbonyls and CO bound to small Rh(0) particles. The implications of the results for catalysis are discussed.",

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T2 - Reactions of Rhodium-PSSA with CO, H2, and H2O

AU - Mattera, Vincent D.

AU - Squattrito, Philip J.

AU - Risen, William M.

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N2 - Rhodium(III) ions have been incorporated in ionic domains of sulfonated linear polystyrene (PSSA) to form PSSA-RhIIIfilms. The Rh-containing domains can act as isolated chemical reactors, and their chemical interactions have been explored in this work by controlling the exposure of the rhodium sites to CO, H2, and H20 under mild conditions. Reaction with CO at low temperature, without either prior reduction by H2 or complete dehydration of the PSSA-RhIIIfilms, results in production of a Rh1(CO)2species. Partial or complete reduction of the films with H2preceded or followed by exposure to CO results in the formation of Rh1(CO)2and, under various conditions, linear and bridging PSSA-Rh0carbonyls and CO bound to small Rh(0) particles. The implications of the results for catalysis are discussed.

AB - Rhodium(III) ions have been incorporated in ionic domains of sulfonated linear polystyrene (PSSA) to form PSSA-RhIIIfilms. The Rh-containing domains can act as isolated chemical reactors, and their chemical interactions have been explored in this work by controlling the exposure of the rhodium sites to CO, H2, and H20 under mild conditions. Reaction with CO at low temperature, without either prior reduction by H2 or complete dehydration of the PSSA-RhIIIfilms, results in production of a Rh1(CO)2species. Partial or complete reduction of the films with H2preceded or followed by exposure to CO results in the formation of Rh1(CO)2and, under various conditions, linear and bridging PSSA-Rh0carbonyls and CO bound to small Rh(0) particles. The implications of the results for catalysis are discussed.

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Chemistry of metals in ionomers: Reactions of Rhodium-PSSA with CO, H₂, and H₂O

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