ArticleSensors (Basel, Switzerland)2019
A Gas Sensing Channel Composited with Pristine and Oxygen Plasma-Treated Graphene.
Article in Sensors (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 24 citations in OpenAlex.
- Plasma-Treated Nanostructured Resistive Gas Sensors: A Review.Sensors (Basel, Switzerland) · 2025Review
- Improving the HCHO Sensing Selectivity on Ag-Doped Graphene by Oxygen Functionalization: A First-Principles Study.ACS omega · 2022Article
- Improving Ammonia Detecting Performance of Polyaniline Decorated rGO Composite Membrane with GO Doping.Materials (Basel, Switzerland) · 2021Article
- Preparation and Test of NHMicromachines · 2020Article
- Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
Oxygen plasma treatment has been reported as an effective way of improving the response of graphene gas sensors. In this work, a gas sensor based on a composite graphene channel with a layer of pristine graphene (G) at the bottom and an oxygen plasma-treated graphene (OP-G) as a covering layer was reported. The OP-G on top provided oxygen functional groups and serves as the gas molecule grippers, while the as-grown graphene beneath serves as a fast carrier transport path. Thus, the composite channel (OP-G/G) demonstrated significantly improved response in NH₃ gas sensing tests compared with the pristine G channel. Moreover, the OP-G/G channel showed faster response and recovering process than the OP-G channel. Since this kind of composite channel is fabricated from chemical vapor deposited graphene and patterned with standard photolithography, the device dimension was much smaller than a gas sensor fabricated from reduced graphene oxide and it is favorable for the integration of a large number of sensing units.
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Registered trials
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