High-Performance Organic Thin-Film Transistors

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About this Research Topic

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Background

Organic electronics have attracted intensive research interest in the past decades. The ever-increasing demand for organic electronics calls for the development of high-performance and high-stability organic thin-film transistors (OFETs). OFETs are considered key components to fabricate flexible and printable devices for promising applications, such as flexible displays, chemical sensors, wearable devices, and radio frequency identification (RFID) tags. The design and synthesis of novel structural materials (such as semiconductors, dielectrics, electrodes, and substrates), as well as the development of efficient interface engineering strategies, would further promote the development of flexible electronics and lay the foundation for their early commercialization.

Despite remarkable progress in the development of new materials and relevant applications in organic electronics, some challenges remain, not only on the design and synthesis of novel structural materials (such as π-conjugated small molecule or polymer semiconductors, dielectrics, electrodes, and substrates), but also the development of efficient interface engineering strategies, for the fabrication of high-performance and high-stability devices, and eventually the realization of commercially available products. For example:

• The need for new π-conjugated semiconductors (small molecule or polymer semiconductors) compatible with polymer dielectric for high-performance devices;
• The need for polymer dielectric (chemical structures, polarity effects, etc) compatible with commonly used microfabrication technologies for highly integrated miniaturized devices (such as inverter, oscillator, etc);
• The need for low-voltage and high-current-density high-performance devices (new transistor design or high dielectric constant insulators);
• The strategies for large-scale device fabrication with uniform performance (new fabrication methods);
• The need for high-stability devices (atmospheric, thermal)

This Research Topic aims to address the above-mentioned challenges, Original Research, Reviews, Mini Reviews, and Perspectives are all welcome. The following themes will provide some clues to promote progress in this area:

• The design and synthesis of novel structural materials (π-conjugated small molecule or polymer semiconductors, dielectrics, electrodes, and substrates) for high-performance and high-stability organic thin-film transistors.
• The development of new efficient interface engineering strategies for organic thin-film transistors.
• New methods for the construction of high-performance and high-stability organic thin-film transistors and relevant optoelectronic applications.

Keywords: organic semiconductors, thin film, high performance, transistors, applications

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