Scanning Tunneling Microscope Study of Electropolymerized Polypyrrole with Polymeric Anion

R. Yang; K. Naoi; D. F. Evans; William H Smyrl; W. A. Hendrickson

doi:10.1021/la00051a023

Scanning Tunneling Microscope Study of Electropolymerized Polypyrrole with Polymeric Anion

R. Yang, K. Naoi, D. F. Evans, William H Smyrl, W. A. Hendrickson

Chemical Engineering and Materials Science

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Abstract

The scanning tunneling microscope was used to study the structure of electropolymerized polypyrrole formed with the large polymeric anion poly(4-styrenesulfonate) (PSS⁻) on graphite and Au/Si surfaces. The samples were imaged in air and analyzed to address questions concerning the individual chain conformation, film morphology, structure differences between films doped with small and large anions, and the addition and removal of both monomeric and polymeric counterions. The images of the helical chain structure of polypyrrole coated with poly(4-styrenesulfonate) (PPY/PSS) are presented. The results are evidence for crystalline structure of PPY/PSS films at the nucleation stage of growth.

Original language	English (US)
Pages (from-to)	556-558
Number of pages	3
Journal	Langmuir
Volume	7
Issue number	3
DOIs	https://doi.org/10.1021/la00051a023
State	Published - Mar 1 1991

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title = "Scanning Tunneling Microscope Study of Electropolymerized Polypyrrole with Polymeric Anion",

abstract = "The scanning tunneling microscope was used to study the structure of electropolymerized polypyrrole formed with the large polymeric anion poly(4-styrenesulfonate) (PSS−) on graphite and Au/Si surfaces. The samples were imaged in air and analyzed to address questions concerning the individual chain conformation, film morphology, structure differences between films doped with small and large anions, and the addition and removal of both monomeric and polymeric counterions. The images of the helical chain structure of polypyrrole coated with poly(4-styrenesulfonate) (PPY/PSS) are presented. The results are evidence for crystalline structure of PPY/PSS films at the nucleation stage of growth.",

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AU - Yang, R.

AU - Naoi, K.

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AU - Smyrl, William H

AU - Hendrickson, W. A.

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AB - The scanning tunneling microscope was used to study the structure of electropolymerized polypyrrole formed with the large polymeric anion poly(4-styrenesulfonate) (PSS−) on graphite and Au/Si surfaces. The samples were imaged in air and analyzed to address questions concerning the individual chain conformation, film morphology, structure differences between films doped with small and large anions, and the addition and removal of both monomeric and polymeric counterions. The images of the helical chain structure of polypyrrole coated with poly(4-styrenesulfonate) (PPY/PSS) are presented. The results are evidence for crystalline structure of PPY/PSS films at the nucleation stage of growth.

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Scanning Tunneling Microscope Study of Electropolymerized Polypyrrole with Polymeric Anion

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