2021 Organic Electronic Materials Physics

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Academic unit or major
Graduate major in Energy Science and Engineering
Mori Takehiko 
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Course description and aims

This course gives an overview of energy band theory that is necessary to understand organic electronics and organic conductors. Magnetism and electron correlation, that are phenomena beyond the energy band theory, are introduced. Organic conductors and organic electronics are surveyed.
This course aims at understanding properties of organic conductors using the energy band and the Fermi surface, explaining phenomena beyond the energy band theory, and surveying fundamentals of organic electronics and organic conductors.

Student learning outcomes

By the end of this course, students will be able to:
(1) Use the energy band theory and the Fermi surface to understand transport phenomena in organic solids.
(2) Understand phenomena beyond the energy band theory such as magnetism and electron correlation.
(3) Grasp history and fundamental concepts of organic conductors and organic electronics.


Tight-binding approximation, Fermi surface, Magnetism, Electron correlation, Organic conductors, Organic electronics

Competencies that will be developed

Specialist skills Intercultural skills Communication skills Critical thinking skills Practical and/or problem-solving skills

Class flow

Each lecture includes quiz and excise for better understanding. Taught both in English and Japanese.

Course schedule/Required learning

  Course schedule Required learning
Class 1 Tight-binding approximation Energy levels of cyclic hydrocarbons are extracted from the tight-binding approximation.
Class 2 Free-electron model Explain energy bands from the free-electron model.
Class 3 Fermi surface Extract density of states in one- and two-dimensional metals.
Class 4 Transport phenomena Estimate energy bands in organic conductors in general.
Class 5 Magnetism and Electron correlation Calculate energy of various electron configurations using the exchange energy.
Class 6 Organic conductors Understand the fundamentals of organic conductors, and distinguish donor and acceptor molecules.
Class 7 Organic electronics Understand the basic aspects of organic electronics.

Out-of-Class Study Time (Preparation and Review)

To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks and other course material.


Supplementary Materials (English and Japanese)

Reference books, course materials, etc.

Electronic Properties of Organic Conductors, Chapters 2-5, 7-8, Springer (2016)

Assessment criteria and methods

Students are assessed by quiz at each lecture.

Related courses

  • MAT.P401 : Organic Optical Materials physics

Prerequisites (i.e., required knowledge, skills, courses, etc.)


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