Recent Progress in Organic Thin-Film Transistors

Dear Colleagues,

Organic thin films (OTFs) have attracted significant attention due to their unique mechanical and optoelectronic properties combined with their low cost, solution processability, chemical tunability, biodegradability, and so on. Various organic materials have been investigated for application in organic thin-film transistors (OTFTs). These devices use organic semiconductors as the active layer in their channel. In addition to semiconducting layers, a wide range of organic materials have been studied as gate-insulating and electrode layers in OTFTs. OTFTs are promising candidates to replace brittle inorganic transistors in flexible electronic applications. However, they suffer from poor performance due to the low charge carrier mobility and electrical conductivity of the organic semiconductors.

This Special Issue looks at advances achieved in OTFTs including:

• OTFTs based on small-molecule organic semiconducting films;
• OTFTs based on polymeric semiconducting films;
• Solution-processed OTFs;
• Dielectric OTFs for OTFTs;
• Thin film deposition techniques;
• Pre- and post-film treatment methods;
• Electrical properties of OTFs;
• Methods for improvement of the electrical conductivity/carrier mobility of OTFs;
• Doping of OTFs for OTFTs;
• Progress in the field of OTF-based electrode layers for OTFTs;
• Mechanical properties of OTFs;
• Novel fabrication techniques.

Dr. Gunel Huseynova
Guest Editor

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• organic thin-film transistors
• OTFTs
• organic semiconductors
• organic dielectrics
• organic electrode layers