Graphene Oxide–Carbon Nitride Composite Sensor for Gas Detection via Conductance Modulation

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Silica nanoparticle dopants are highly versatile and can be tuned to enhance different aspects of conducting polymers.
7x the usual, and expand the range of drug candidates to include both cationic and electroactive compounds compared to conventional conducting polymers without dopants.
By modifying the device surface with conducting polymers such as a PEDOT film doped with sulfonated silica nanoparticles, which boast low interfacial impedance, high charge injection, and excellent stability under repetitive stimulation, researchers have enabled safe and efficient stimulation with less power and higher signal-to-noise ratio.
A novel hydrazide sol-gel (HSG) process involving the reaction of metal alkoxides with hydrazine was developed by the investigator for synthesizing HSA (~250 m2/g) nanostructured binary TMNs.
This approach leverages the predictable, tunable nature of MOF materials, offering enhanced reliability and selectivity compared to conventional polymer, metal oxide, and carbon nanotube sensors while providing robust and adaptable gas detection performance.
- Homeland security gas detection.
This technology integrates metal-organic frameworks (MOFs) with surface acoustic wave (SAW) or quartz crystal microbalance (QCM) devices to detect gas mixtures through precise frequency shifts and mass variations.
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        Alexander Star
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        Prashant Kumta
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        Peng Chen
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        Jeremy Levy
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        Xinyan Cui
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        Alexander Star
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        Peng Kevin Chen
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        Prashant N. Kumta
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        Michael Paul Buric
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        Christopher Eli Wilmer
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