Bottom-Up Growth of n-Type Polymer Monolayers for High-Performance Complementary Integrated Circuits
ADVANCED ELECTRONIC MATERIALS(2023)
Abstract
Downscaling the semiconductor into ultrathin film is of vital importance to high-performance field-effect transistors (FETs), but the high-mobility FETs based on conjugated polymer monolayers have been rarely realized. Especially, the lack of high-performance n-type polymer monolayer FETs hinders the development of complementary integrated circuits. Herein, by fine-tuning the supramolecular assembly of two thiazole flanked naphthalene diimide-based conjugated polymers, the approximate to 2.5 nm-thick monolayers with well-defined fibrillar morphology are grown in a controllable way, where the one-dimensional solution-state structures are inherited. The resultant monolayer FETs show the electron mobility up to 0.25 cm(2) V-1 s(-1), among the record for n-type polymer monolayer FETs. More importantly, the first demonstration of polymer monolayer complementary integrated circuits is present, and a record-high inverter gain of 113 is achieved, which is also identical to the best polymer thin-film inverters.
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Key words
complementary integrated circuits,conjugated polymers,monolayer transistors,polymer aggregation
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