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Über dieses Buch

This book outlines methods to improve functioning of these polymer based devices – in particular, the multi-faceted cognition of these materials. In situ electrochemical techniques are studied to elucidate redox switching between non-conducting and conducting states.
The book examines the advantages of combinations of in situ electrochemical techniques in a hyphenated mode for analyzing conducting polymers.



Chapter 1. Introduction into the Field of Conducting Polymers

During the last three and a half decades, a family of macromolecules, exhibiting a surprisingly new behavior, has been uncovered. This group of polymers may behave as isolators, however they are able to conduct electricity under well-defined conditions. This ability can be tuned by their oxidation state. The background insuring opportunity for making them conductive is the conjugation along the polymer chain.
Csaba Visy

Chapter 2. Basic Features During the Redox Transformation of CPs and the Coupled Phenomena

As it follows from the previous chapter, electrochemistry is the basic tool to control both the synthesis and especially the redox switching between the states: the isolator/conductor behavior can be tuned through the level of oxidation hence it regulates the number of the charge carriers. The electrochemical process results in color, mass, conductance, para/diamagnetic, volume and structural changes, as well as it provokes transport processes in the adjacent solution layer.
Csaba Visy

Chapter 3. Overview of in situ Combined Electrochemical Techniques

The aim of each in situ electrochemical method is to monitor one of the above-presented consequences of the electrochemical process. The additional signal can be correlated with the perturbation on the same time scale, uncovering this way the relation between the electrochemical and the triggered secondary events. Thus, spectral modifications, mass, structural volume and conductivity changes—occurring in parallel with the electrochemical process—complete the information on the process by enlightening secondary effects of the electrochemical perturbation.
Csaba Visy

Chapter 4. Applications of the in situ Combined Electrochemical Techniques: Problems and Answers Attempted by the in situ Combined Methods

As the number of the contributions to the topic is quasi-infinite compared to the length of this book, a restricted number of examples—selected subjectively—are presented in this chapter to demonstrate how in situ electrochemical methods can give the answer to diverse questions, arisen in connection with either the electropolymerization or the redox switching process.
Csaba Visy

Chapter 5. Outlook

As it has been presented, in situ electrochemical techniques have been successfully applied in studying the details of both the electrodeposition and the redox transformation of conducting polymers. An even more adequate picture could be gained by hyphenating two in situ electrochemical methods. Every combination proved to be a powerful tool in elucidating the details of the process both at the molecular and the macroscopic levels. A final lesson of the presented chapters is that all these techniques are not restricted to studies on conducting polymers, but their use can be extended for all kind of electroactive layers.
Csaba Visy

Erratum to: Applications of the in situ Combined Electrochemical Techniques: Problems and Answers Attempted by the in situ Combined Methods

Csaba Visy


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