CAS QIBEBT researchers synthesize thiazole isoindigo polymers, a promising material for logic circuits

The excellent bipolar conjugated polymer material can both conduct electrons and holes and thus is an interesting base material for organic FETs. WAN Xiaobo and colleagues at QIBEBT used a large hindered base to successfully synthesize the thiazole isoindigo precursor, thiazole bismuth, and transformed it to thiazole Isoindigo. They further optimized the synthesis and polymerization routes, successfully synthesized polymer P (TzII-TTT) of isothiazole blue and thiophene, and studied the material's photophysical properties and field effect transistor performance. The hole mobility of a P(TzII-TTT) bipolar field-effect transistor was 3.93 cm2V-1S-1, and the electron mobility 1.07 cm2V-1S-1, exceeding the performance of the similarly-structured pyridine isoindigo blue polymer.

Source: CAS news release, April 28 2018

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