Optical and conductive properties of pyrazine-bridged iron, ruthenium and osmium octaethylporphyrin coordination polymers

James P. Collman; John T. McDevitt; Gordon T. Yee; Matthew B. Zisk; Jerry B. Torrance; William A. Little

doi:10.1016/0379-6779(86)90016-0

Optical and conductive properties of pyrazine-bridged iron, ruthenium and osmium octaethylporphyrin coordination polymers

James P. Collman, John T. McDevitt, Gordon T. Yee, Matthew B. Zisk, Jerry B. Torrance, William A. Little

Research output: Contribution to journal › Article › peer-review

Abstract

The optical and conductive properties of neutral and partially oxidized pyrazine-bridged polymers of iron, ruthenium and osmium octaethylporphyrin are reported. Analogies between these systems and the Creutz-Taube mixed valence dimers are drawn. Analysis of the infrared spectra of the neutral polymers establishes a lower limit for the polymer chain lengths. Examination of a broad transition that develops in the infrared upon partial oxidation of these polymers offers insight into the degree of delocalization of the conduction electrons, which is found to increase on descending the iron triad. Varying the degree of oxidation affects both the features of this broad transition and the d.c. conductivities.

Original language	English (US)
Pages (from-to)	129-140
Number of pages	12
Journal	Synthetic Metals
Volume	15
Issue number	2-3
DOIs	https://doi.org/10.1016/0379-6779(86)90016-0
State	Published - 1986

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/0379-6779(86)90016-0

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@article{915f942ba66740a2b960f52ff962eae9,

title = "Optical and conductive properties of pyrazine-bridged iron, ruthenium and osmium octaethylporphyrin coordination polymers",

abstract = "The optical and conductive properties of neutral and partially oxidized pyrazine-bridged polymers of iron, ruthenium and osmium octaethylporphyrin are reported. Analogies between these systems and the Creutz-Taube mixed valence dimers are drawn. Analysis of the infrared spectra of the neutral polymers establishes a lower limit for the polymer chain lengths. Examination of a broad transition that develops in the infrared upon partial oxidation of these polymers offers insight into the degree of delocalization of the conduction electrons, which is found to increase on descending the iron triad. Varying the degree of oxidation affects both the features of this broad transition and the d.c. conductivities.",

author = "Collman, {James P.} and McDevitt, {John T.} and Yee, {Gordon T.} and Zisk, {Matthew B.} and Torrance, {Jerry B.} and Little, {William A.}",

note = "Funding Information: We would like to thank Professors Henry Taube, Nathan Lewis and Lisa McElwee-White, and Drs. Laughlin McCullough and Charles Leidner for their helpful discussions. This work was initiated with support from the Center for Materials Research at Stanford University under the NSF-MRL Program, grant number NSF DMR 83-16982-A1. Subsequent support for this work was provided by the National Science Foundation Grant CHE 83-18512 and the Office of Naval Research, contract number N00014-84-K-0403. N.m.r. spectra were recorded on an instrument supported by the National Science Foundation Grant CHE 81-09064. The support of the Department of Energy (DEFG-03 86ER45245) is also gratefully acknowledged.",

year = "1986",

doi = "10.1016/0379-6779(86)90016-0",

language = "English (US)",

volume = "15",

pages = "129--140",

journal = "Synthetic Metals",

issn = "0379-6779",

publisher = "Elsevier BV",

number = "2-3",

}

TY - JOUR

T1 - Optical and conductive properties of pyrazine-bridged iron, ruthenium and osmium octaethylporphyrin coordination polymers

AU - Collman, James P.

AU - McDevitt, John T.

AU - Yee, Gordon T.

AU - Zisk, Matthew B.

AU - Torrance, Jerry B.

AU - Little, William A.

N1 - Funding Information: We would like to thank Professors Henry Taube, Nathan Lewis and Lisa McElwee-White, and Drs. Laughlin McCullough and Charles Leidner for their helpful discussions. This work was initiated with support from the Center for Materials Research at Stanford University under the NSF-MRL Program, grant number NSF DMR 83-16982-A1. Subsequent support for this work was provided by the National Science Foundation Grant CHE 83-18512 and the Office of Naval Research, contract number N00014-84-K-0403. N.m.r. spectra were recorded on an instrument supported by the National Science Foundation Grant CHE 81-09064. The support of the Department of Energy (DEFG-03 86ER45245) is also gratefully acknowledged.

PY - 1986

Y1 - 1986

N2 - The optical and conductive properties of neutral and partially oxidized pyrazine-bridged polymers of iron, ruthenium and osmium octaethylporphyrin are reported. Analogies between these systems and the Creutz-Taube mixed valence dimers are drawn. Analysis of the infrared spectra of the neutral polymers establishes a lower limit for the polymer chain lengths. Examination of a broad transition that develops in the infrared upon partial oxidation of these polymers offers insight into the degree of delocalization of the conduction electrons, which is found to increase on descending the iron triad. Varying the degree of oxidation affects both the features of this broad transition and the d.c. conductivities.

AB - The optical and conductive properties of neutral and partially oxidized pyrazine-bridged polymers of iron, ruthenium and osmium octaethylporphyrin are reported. Analogies between these systems and the Creutz-Taube mixed valence dimers are drawn. Analysis of the infrared spectra of the neutral polymers establishes a lower limit for the polymer chain lengths. Examination of a broad transition that develops in the infrared upon partial oxidation of these polymers offers insight into the degree of delocalization of the conduction electrons, which is found to increase on descending the iron triad. Varying the degree of oxidation affects both the features of this broad transition and the d.c. conductivities.

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VL - 15

SP - 129

EP - 140

JO - Synthetic Metals

JF - Synthetic Metals

SN - 0379-6779

IS - 2-3

ER -

Optical and conductive properties of pyrazine-bridged iron, ruthenium and osmium octaethylporphyrin coordination polymers

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