It is well known that most important electronic devices use Schottky junctions and heterojunctions. Unfortunately there is not an advanced book introducing heterojunctions systematically. Introduction to Organic Semiconductor Heterojunctions fills the gap. In this book, the authors provide a comprehensive discussion and systematic introduction on the state-of-the-art technologies as well as application of organic semiconductor heterojunctions. First book to systematically introduce organic heterojunctions Arms readers with theoretical, experimental and applied aspects of organic heterojunctions The Chinese edition of the book is part of the Chinese Academy of Sciences’ Distinguished Young Scholar Scientific Book Series Introduction to Organic Semiconductor Heterojunctions is an ideal and valued reference for researchers and graduate students focusing on organic thin film devices like organic light-emitting diodes (OLEDs), organic photovoltaic (OPV) cells, and organic field-effect transistors (OFETs). Instructors can use the book as a supplementary text for a semiconductor physics or organic electronics course, giving students a better feel for the application of organic thin film devices.

This excellent volume covers a range of materials used for flexible electronics, including semiconductors, dielectrics, and metals. The functional integration of these different materials is treated as well. Fundamental issues for both organic and inorganic materials systems are included. A corresponding overview of technological applications, based on each materials system, is presented to give both the non-specialist and the researcher in the field relevant information on the status of the flexible electronics area.

Tutorial lectures given by world-renowned researchers have become one of the important traditions of the Nano and Giga Challenges (NGC) conference series. 1 Soon after preparations had begun for the rst forum, NGC2002, in Moscow, Russia, the organizers realized that publication of the lectures notes would be a va- able legacy of the meeting and a signi cant educational resource and knowledge base for students, young researchers, and senior experts. Our rst book was p- lished by Elsevier and received the same title as the meeting itself—Nano and Giga 2 Challenges in Microelectronics. Our second book, Nanotechnology for Electronic 3 4 Materials and Devices, based on the tutorial lectures at NGC2004 in Krakow, 5 Poland, the third book from NGC2007 in Phoenix, Arizona, and the current book 6 from joint NGC2009 and CSTC2009 meeting in Hamilton, Ontario, have been published in Springer’s Nanostructure Science and Technology series. Hosted by McMaster University, the meeting NGC/CSTC 2009 was held as a joint event of two conference series, Nano and Giga Challenges (Nano & Giga Forum) and Canadian Semiconductor Technology Conferences (CSTC), bringing together the networks and expertise of both professional forums. Informational (electronics and photonics), renewable energy (solar systems, fuel cells, and batteries), and sensor (nano and bio) technologies have reached a new stage in their development in terms of engineering limits to cost-effective impro- ment of current technological approaches. The latest miniaturization of electronic devices is approaching atomic dimensions.

Research on organic electronics (or plastic electronics) is driven by the need to create systems that are lightweight, unbreakable, and mechanically flexible. With the remarkable improvement in the performance of organic semiconductor materials during the past few decades, organic electronics appeal to innovative, practical, and broad-impact applications requiring large-area coverage, mechanical flexibility, low-temperature processing, and low cost. Thus, organic electronics appeal to a broad range of electronic devices and products including transistors, diodes, sensors, solar cells, lighting, displays, and electronic identification and tracking devices A number of commercial opportunities have been identified for organic thin film transistors (OTFTs), ranging from flexible displays, electronic paper, radio-frequency identification (RFID) tags, smart cards, to low-cost disposable electronic products, and more are continually being invented as the technology matures. The potential applications for "plastic electronics" are huge but several technological hurdles must be overcome. In many of these applications, transistor serves as a fundamental building block to implement the necessary electronic functionality. Hence, research in organic thin film transistors (OTFTs) or organic field effect transistors (OFETs) is eminently pertinent to the development and realization of organic electronics. This book presents a comprehensive investigation of the production and application of a variety of polymer based transistor devices and circuits. It begins with a detailed overview of Organic Thin Film Transistors (OTFTs) and discusses the various possible fabrication methods reported so far. This is followed by two major sections on the choice, optimization and implementation of the gate dielectric material to be used. Details of the effects of processing on the efficiency of the contacts are then provided. The book concludes with a chapter on the integration of such devices to produce a variety of OTFT based circuits and systems. The key objective is to examine strategies to exploit existing materials and techniques to advance OTFT technology in device performance, device manufacture, and device integration. Finally, the collective knowledge from these investigations facilitates the integration of OTFTs into organic circuits, which is expected to contribute to the development of new generation of all-organic displays for communication devices and other pertinent applications. Overall, a major outcome of this work is that it provides an economical means for organic transistor and circuit integration, by enabling the use of a well-established PECVD infrastructure, while not compromising the performance of electronics. The techniques established here are not limited to use in OTFTs only; the organic semiconductor and SiNx combination can be used in other device structures (e.g., sensors, diodes, photovoltaics). Furthermore, the approach and strategy used for interface optimization can be extended to the development of other materials systems.