Carbon Materials for Gas Sensors and Electrochemical Sensors
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초록
내용
The development of ultrasensitive, transparent, and flexible sensors based on conductive carbon materials has led to significant advancements in sensing technology. This presentation will cover innovative approaches utilizing oxidized single-walled carbon nanotubes (Oxy-SWCNTs) and graphene for gas and electrochemical glucose detection. Cellulose-supported Oxy-SWCNT bundles create NO2 sensors with excellent cross-sensitivity, enhanced by surface roughness engineering. Additionally, wet-spun Oxy-SWCNT fibers demonstrate excellent sensing performance and flexibility. N-doped graphene sensors exhibit exceptional NO2 detection down to sub-ppq levels. Finally, we present recent results regarding electrochemical detection of glucose. These advancements promise next-generation gas and electrochemical sensors that are both highly sensitive and environmentally friendly. Acknowledgement: This research was supported by a grant from the Basic Science Research Program (2023-00208902).