Fabrication of Gas Sensor Based on Graphene for the Adsorption of Gases Produced from Waste Material in Kitchen and its Surrounding

Exfoliation joint Graphene foam
DOI: 10.3126/jnphyssoc.v8i3.50719 Publication Date: 2022-12-30T16:38:26Z
ABSTRACT
Graphene attracted to the researcher with huge attention due their unique physicochemical properties including high specific surface area and high-speed electron mobility at room temperature. The graphene several layers was synthesized through liquid phase exfoliation method using shear force of magnetic stirrer. This process performed about 6 hour on graphite powder dimethyl-formamide solvent 0.25 M, 0.5 M 1 concentration solution following microwave treatment for 30 second sonication 2 drop-casted exfoliated into glass substrate had G peak 2D peak. from 1M better quality as compared obtained 0.25M 0.5M solution. fabricated gas sensor device two contact electrodes a channel material produced different current (I)–voltage (V) characteristics. vs. voltage bare film without filling waste harmful gases shifted 0 mA 0.0652 when maximum applied. increased nearly 0.2391 after adjustment applied voltage. few filled found 3.6 times higher than that gases. result adsorption/absorption interaction more quantity by graphene. So, showing some variation informed sensitive home kitchen its surrounding.
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