Organic thin film transistor performance stability mechanism, it mainly proposes a unified theoretical model of the interaction between water and oxygen electrochemical reaction and organic thin film carrier, which is expected to accelerate the large-scale application in the field of flexible electronics.
Organic thin film transistor performance stability mechanism, it mainly proposes a unified theoretical model of the interaction between water and oxygen electrochemical reaction and organic thin film carrier, which is expected to accelerate the large-scale application in the field of flexible electronics.
In the past few years, we started to study the performance stability mechanism of organic thin film transistors. For example, organic semiconductor materials doped with carbon nanotubes can significantly improve their electrical properties. After more than 5 years of continuous attempts and experiments, the research team of Fudan University has successfully increased the organic thin film mobility by four orders of magnitude, close to the level of polysilicon.
Through this study, we know the internal mechanism that leads to changes in the performance of organic thin film transistors, and propose a model of the interaction between water and oxygen electrochemical reactions and organic thin film carriers. This model is a unified theoretical model, which can explain not only OTFT devices with low conductivity characteristics, but also thin film devices with high conductivity characteristics like carbon nanotubes and graphene, providing theoretical guidance and basis for future large-scale application of OTFTs. .
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