Concepedia

Flexible spray-coated TIPS-pentacene organic thin-film transistors as ammonia gas sensors

Xinge Yu, Shijiao Han, Hui Lin, Donald B. Buchholz, Junsheng Yu, Robert P. H. Chang, Tobin J. Marks, Antonio Facchetti

Journal of Materials Chemistry C · 2013 · 124 citations · 26 references

Abstract

Flexible ammonia (NH3) gas sensors based on solution-processable organic thin-film transistors (OTFTs) are fabricated using a TIPS-pentacene active layer/PMMA dielectric layer on glass and plastic substrates. These OTFT sensors exhibit outstanding NH3 gas response and recovery characteristics under multiple exposure/evacuation cycles at controlled NH3 concentrations.

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Engineering, Materials Engineering, Materials Science +17