Gas Sensors: Enhanced Gas Sensing Performance of Organic Field‐Effect Transistors by Modulating the Dimensions of Triethylsilylethynyl‐Anthradithiophene Microcrystal Arrays (Adv. Mater. Interfaces 4/2020)
Source abstract
Abstract
In article number 1901696, Wi Hyoung Lee and co-workers report a method to increase sensitivity of the 5,11-bis(triethylsilylethynyl)-anthradithiophene (TES-ADT) gas sensors by adopting TES-ADT crystal arrays of various shapes and dimensions. The patterning and crystallization of spin-cast TES-ADT films are simultaneously achieved by the use of a solvent-containing engraved polydimethylsiloxane mold. The increased sensing performance in patterned TES-ADT film is mainly due to the increased area of crystal edges, which provides a diffusion pathway for gas molecules to arrive at the semiconductor-dielectric interface.
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Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Advanced Chemical Sensor Technologies
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Affiliations
Department of Organic and Nano System Engineering Konkuk University Seoul 05029 Republic of Korea
Center for Applied Energy Research University of Kentucky Lexington KY 40511 USA
Department of Organic and Nano Engineering Hanyang University Seoul 04763 Republic of Korea
Department of Mechanical and Energy Engineering University of North Texas Denton TX 76207 USA
Department of Mechanical Engineering Konkuk University Seoul 05029 Republic of Korea
References
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