Plastic electronics is a concept that emerged forty years ago, with the discovery of electrically conductive polymers. Ten years later, the first electronic devices using organic solids in place of the ubiquitous inorganic semiconductors were realised. The best achievement of plastic electronics is constituted by Organic Light-Emitting Diodes (OLEDs) that equip the display of many smartphones, and even TV sets.
The objective of this course is to provide a comprehensive overview of the physics of plastic electronic devices. After taking this course, the student should be able to demonstrate theoretical knowledge on the following subjects:
Concept of organic semiconductors;
Charge carrier transport in polymeric and organic semiconductors;
Optical properties of organic semiconductors;
Charge injection from metals to organic solids;
Operating mode of the main plastic electronic devices: Organic light-emitting diodes (OLEDs), organic photovoltaic cells (OPVs) and organic field-effect transistors (OFETs).
This first module is an introduction to the concept of semiconductor, which is the primary consituent of all electronic decives. We also show how some organic compounds can behave as semiconductors.
What's included
2 videos2 assignments
Show info about module content
2 videos•Total 24 minutes
Introduction to plastic electronics•14 minutes
Organic semiconductors•11 minutes
2 assignments•Total 60 minutes
Metals and semiconductors•30 minutes
Organic semiconductors•30 minutes
Charge carrier transport in organic semiconductors
Module 2•1 hour to complete
Module details
Electronic devives work through an electrical current generated by applying an electrical voltage. The process is controlled by charge carrier transport, descibed in this module.
What's included
3 videos2 assignments
Show info about module content
3 videos•Total 26 minutes
Charge transport•7 minutes
Localisation via polarisation•9 minutes
Localisation by disorder•10 minutes
2 assignments•Total 34 minutes
Conductivity of metals•30 minutes
Localised charge carrier transport•4 minutes
Optical properties of organic semiconductors
Module 3•21 minutes to complete
Module details
Beside electrical properties, electronic devices also involve optical aspects, for example in light-emitting diodes and photovoltaic cells. This modulel describes the interactions of light with organic semiconductors.
What's included
2 videos
Show info about module content
2 videos•Total 21 minutes
Optical properties of organic semiconductors•11 minutes
Excitons•11 minutes
Interfaces in plastic electronic devices
Module 4•1 hour to complete
Module details
What's included
3 videos1 assignment
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3 videos•Total 29 minutes
Energy levels•13 minutes
Charge carrier injection•10 minutes
More on the current-voltage curve•6 minutes
1 assignment•Total 30 minutes
n-type and p-type organic semiconductors•30 minutes
Plastic electronic devices
Module 5•3 hours to complete
Module details
What's included
4 videos1 assignment1 peer review
Show info about module content
4 videos•Total 39 minutes
Organic light-emitting diodes•13 minutes
Organic solar cell•9 minutes
Organic field-effect transistor•9 minutes
More on organic field-effect transistors•7 minutes
1 assignment•Total 30 minutes
Designing an organic light-emitting diode•30 minutes
1 peer review•Total 120 minutes
Inverted organic solar cell•120 minutes
Instructor
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École polytechnique combines research, teaching and innovation at the highest scientific and technological level worldwide to meet the challenges of the 21st century. At the forefront of French engineering schools for more than 200 years, its education promotes a culture of multidisciplinary scientific excellence, open in a strong humanist tradition.\n
L’École polytechnique associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique mondial pour répondre aux défis du XXIe siècle. En tête des écoles d’ingénieur françaises depuis plus de 200 ans, sa formation promeut une culture d’excellence scientifique pluridisciplinaire, ouverte dans une forte tradition humaniste.
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