Table of Contens

Prerequisites: Undergraduate Chemistry

Evaluation: Examination

Total number of hours: 22.5h (3 ECTS)

22. 
    C202: Nanoelectrochemistry / Bioelectrochemistry
    

Main professor: Jean-Christophe Lacroix (University Paris Diderot, Paris 7)

Dr. Jean- Christophe Lacroix

http://www.itodys.univ-paris7.fr/fr/annuaire-itodys/professeurs/18-lacroix

Objectives: This course is part of a general scientific trend combining molecular electronic issues, supramolecular and biomolecular systems with electrochemistry in nanosciences.

It will describe electron transfer at the molecular level and will show how this knowledge makes it possible to imagine molecular electronic devices such as molecular and atomic size nanowires, rectifiers, switchers and single molecule transistors. Charge transfer and charge transport properties of such systems will be described

It will present several basic supra-molecular systems and their proposed utilization as molecular machines or as switching components in molecular devices. It will show how electrochemical switching can be used in such devices and how nanoelectrochemistry makes it possible to elaborate nano-objects or to understand nanostructured surfaces.

Scanning Electrochemical Microscope (SECM), a nanoelectrochemistry local probe technique based on the use of microelectrodes and more recently nanoelectrodes will be presented and it will be shown that it is capable of revealing the charge transfer dynamic of nano-objects or of a nanostructured surface.

Electrochemical techniques for generating nanogaps and contacting few molecules leading to stable redox gated molecular junctions will be presented.

Another aspect of this course will be the use of bio systems in bio electrochemistry in enzymatic and redox catalytic systems. A detailed introduction to molecular and biomolecular electrochemistry, both in terms of concepts and techniques will be presented, in order to study complex processes and reactions involving electron transfer and coupled chemical reactions, in small organic molecules as well as in more complex biological molecules, like, e.g., redox enzymes or proteins, and DNA. Emphasis will be put on reactivity and analytical and imaging techniques, with examples related to biotechnology, medical diagnosis but also catalysis (activation of small molecules in relation to the contemporary renewable energy challenges).