Organic electronic devices have demonstrated tremendous versatility in a wide range of applications including consumer electronics, photovoltaics, and biotechnology. Ultrafast electronic processes at nanoscale organic. Organic semiconductors polymers and oligomers, having the electrical properties of semiconductors and the mechanical properties of plastics, are good candidates for developing electronic and optoelectronic flexible components, for example, transistors, leds, on the flexible textile substrate. These tfts can be made of different materials like silicon, organic semiconductors or carbon nanotubes. Most of the organic semiconductors are hole conductors and have an optical band gap around 2 ev, which is considerably higher than that of silicon and thus limits. After having read this book, students will be prepared to understand any of the many multiauthored books available in this field that discuss a particular aspect in more detail, and should also benefit from. Organic semiconductors, polymers and oligomers, having the electrical properties of semiconductors and the mechanical properties of plastics, are good candidates for developing electronic and optoelectronic flexible components, for example, transistors and lightemitting diodes leds, on. Organic electronics is a field of materials science concerning the design, synthesis, characterization, and application of organic small molecules or polymers that show desirable electronic properties such as conductivity. Gregg the journal of physical chemistry b 2005 109 28, 451460. An introduction pdf adobe drm can be read on any device that can open pdf adobe drm files. For example, like schroedingers cat, darwins deaf white kitty illustrates a macro quantum phenomenon.
Organic semiconductors, organic metals, and conductive. The book covers a variety of studies of organic semiconductors, from fundamental electronic states to device applications, including theoretical studies. Introduction in the first chapter the technological interest of the research on organic semiconductors as an. An ab initio density functional theory dft method for obtaining ct. Request pdf electronic processes in organic semiconductors.
Excitonchargetransfer electronic couplings in organic. Technology is compatible with large area processes low cost low temperature processing low cost molecules and polymers can be tailored for specific electronic or optical. Her research centres on the photophysical properties of organic semiconductors, with a focus on energy and charge transfer processes in singlet and triplet excited states. It provided a tutorial on the experimental and related theoretical properties of aromatic hydrocarbon crystals and included emerging work on polymers and superconductivity. The role of the s quantum number will be considered subsequently. The first advanced textbook to provide a useful introduction in a brief, coherent and comprehensive way, with a focus on the fundamentals. Tetrahedrallybonded semiconductors amorphous germanium and silicon 8. Introduction to organic electronics, fall 2005, dr. On the basis of these findings, a selfconsistent model of doped purposely or not organic semiconductors is proposed in which the equilibrium free carrier density, nf, is a small fraction of the total charge. Dietmar knipp introduction advantages and disadvantages of organic electronic materials attractive due to. An introduction the first advanced textbook to provide a useful introduction in a brief, coherent and comprehensive way, with a.
Molecularfluorescence principlesandapplications secondedition 2012 printisbn. As a class, organic semiconductors have fueled much interest in the scientific community for over three decades. Photoluminescent polymers, highly conducting polymers and nanoscale inorganic semiconductors have been investigated using stateoftheart ultrafast optical techniques, to. Organic leds consist of multilayer structures where organic emitters are embedded between an evaporated metal electrode and a film of indium tin oxide coupled to a plastic or glass substrate. Chemical and structural effects on the electronic transport in organic single crystals. Experimental results and fits to a selfconsistent model of excitonic processes, doping, and transport siguang chen, paul stradins, and brian a. Electronic processes in organic semiconductors wiley online. It does not duplicate the books already written on organic electronics, but focuses mainly on electronic properties that arise from the nature of organic semiconductors molecular solids. Toward a unified treatment of electronic processes in organic. Unlike conventional inorganic conductors and semiconductors, organic electronic materials are constructed from organic carbonbased small molecules or polymers using. Areas of traditional strength such as carrier transport or separation in organic semiconductors and devices, physics of organic interfaces, and molecular and polymer semiconductor development will be explored along emerging topics of organic spin physics, metal halide. Finally, the first electronic devices fabricated with some of the materials here treated will be presented.
The program of our grc meeting spans a range of topics at the frontier of organic and hybrid electronics and optoelectronics. Semiconductors are materials that are intended for use in optoelectronic devices. Toward a unified treatment of electronic processes in. This thesis is concerned with the influence of nanoscale boundaries and interfaces upon the electronic processes that occur within both organic and inorganic semiconductors. An introduction by anna kohler and heinz bassler, wiley vch, 2015 isbn 9783527332922 electronic processes in organic crystals and polymers by m. Processing is incompatible with classical processing in semiconductor industry. Aresnic and other threefold coordinated materials 9.
The first edition of pope and swenbergs electronic processes of organic crystals, published in 1982, became the classic reference in the field. Technology is compatible with large area processes low cost. The field of organic electronics has seen enormous progress from the early use of organic photoconductors in xerography, to the discovery of conducting polymers, to the successful commercialization of organic light emitting diodes that are now ubiquitous in mobile phones, smart watches, and other devices. Oleddisplaysfundamentals andapplications 2012 printisbn. An introduction the first advanced textbook to provide a useful introduction in a brief, coherent. Conductivity can be varied by several orders of magnitude. Electronic processes in organic semiconductors an introduction anna kohler isbn. Electronic processes in organic semiconductors the first advanced textbook to provide a useful introduction in a brief, coherent and comprehensive way, with a focus on the fundamentals. It is the ability to control conductivity that make semiconductors useful as currentvoltage control elements. Electronic processes in organic semiconductors overdrive. They need to be able to bend, similar to how wires can bend.
Based on a successful and wellproven lecture course given by one of the authors for many years, the book is clearly structured into four sections. However, after 1990, a few semiconductor devices using organic semiconductors and semiconducting polymers have been developed signalling the birth of a futuristic technology of polymerelectronics and molecularelectronics. This chapter lists some examples for the three different classes of organic semiconductor materials. Electronic and optical processes of organic semiconductors. Strictly speaking organic semiconductors are not new. Heinz baessler is retired professor at the bayreuth institute of macromolecular research bimf at the university of bayreuth. Electronic processes in organic semiconductors an introduction. Electronic processes in organic semiconductors wiley online books. Furthermore, innovative experimental techniques, e. One of the first steps in making electronic skin is making the components flexible.
Electronic processes in organic crystals and polymers. Other semiconductors organic semiconductors semiconductor like properties are also found in organic compounds like polydiacetylene ch2n with conjugate carbon chains, fullerenes, nanotubes, bn nanotubes, etc. This is strong electronphonon coupling in potent soundabsorbing organic semiconductors such as innerear melanin. Lecture 1 introduction to semiconductors and semiconductor.
Currentvoltage control is the key to switches digital logic including microprocessors etc, amplifiers, leds, lasers, photodetectors, etc. Electronic processes in organic electronics bridging. One component that is used in making electronic skin is thin film transistors tfts. Electronic processes in organic electronics springerlink. Electronicstructure theory of organic semiconductors. Organic semiconductors institut fur physik university of augsburg. Pdf electronic processes in noncrystalline materials. Mar 20, 2015 organic semiconductors are a class of materials that combine the electronic advantages of semiconducting materials with the chemical and mechanical benefits of organic compounds such as plastics. Organic semiconductors, and conductive polymers span from the quantum realm to human disease. Chemical physics electronic processes in organic solids. Mar 20, 2015 based on a successful and wellproven lecture course given by one of the authors for many years, the book is clearly structured into four sections.
The generic structure of an ofet differs from the oledosc structure. Optical and electronic processes in organic photovoltaic devices. The new experimental methods introduced in this book are applicable to various materials e. A quantitative study of ntype doping in highly crystalline organic semiconductor films establishes the predominant influence of electrostatic forces in these lowdielectric materials. Swenberg, oxford science publications, 2nd edition, 1999. Generally, otft processes inevitably face the serious issue that the available substrates are limited to those that are solutionprocess compatible. This chapter lists some examples for the three different classes of. The electronic structure of organic semiconductors. Challenges and opportunities for electronic transport in 2d materials.
Atomic orbitals although orbitals are defined mathematically over all space, one can visualize a. Optical and electronic processes in organic photovoltaic. Organic semiconductor an overview sciencedirect topics. Organic semiconductors are a class of materials that combine the electronic advantages of semiconducting materials with the chemical and mechanical benefits of organic compounds such as plastics. The most common applications of organic semiconductors encompass organic light. Semiconductor and simple circuitsnot to be republished. Highperformance, semiconducting membrane composed of. Charge transfer ct states and excitons are important in energy conversion processes that occur in organic light emitting devices oleds and organic solar cells. Request pdf electronic and optical processes of organic semiconductors semiconductors are materials that are intended for use in optoelectronic devices. In this chapter, we will restrict ourselves to the study of inorganic semiconductors, particularly. By using representative examples of current interest, our main. An introduction anna kohler, heinz bassler the first advanced textbook to provide a useful introduction in a brief, coherent and comprehensive way, with a focus on the fundamentals. Organic semiconductors, polymers and oligomers, having the electrical properties of semiconductors and the mechanical properties of plastics, are good candidates for developing electronic and optoelectronic flexible components, for example, transistors and lightemitting diodes leds, on the flexible textile substrate.
Jun 25, 2016 semiconductors secondedition 2012 printisbn. An introduction by anna kohler and heinz bassler overview the first advanced textbook to provide a useful introduction in a brief, coherent and comprehensive way, with a focus on the fundamentals. Electronic processes in organic semiconductors by anna. The exciton energy is then e e ion e exn2, n 1,2, e ion energy required to ionize the molecule n exciton energy level e ex. Electronic processes in organic semiconductors wiley. Excitons types, energy transfer mit opencourseware. This is strong electronphonon coupling in potent soundabsorbing organic semiconductors such. Materials for organic electronics featured in this issue materials category content page also see page ptype semiconductors ptype small molecules, oligomers and polymers 7 10, 20, 24 ntype semiconductors ntype molecules and polymers 8 14, 20 dielectric materials polymers and crosslinking agents for dielectric layers 9. Swenberg, oxford science publications, 2nd edition, 1999 organic photoreceptors for xerographyby p. Electronic processes in organic crystals and polymers by m. Electronic processes in organic semiconductors wileyvch.
170 272 119 168 1264 208 1507 1293 1237 314 102 304 623 232 772 1360 839 708 1155 893 1300 353 1229 973 162 1098 1310 534 40 774 382 1198 609 573 999 703 199 261 383 1479