▎ 摘　　要

NOVELTY - The structure has a gas detecting layer provided with multiple graphene pieces that are distributed in two groups. A first end of the graphene pieces is fixed at corresponding side edges of a conductive layer. The first group of the graphene piece extends to an end of the second group of the graphene piece. The graphene piece in the second group is arranged between the first groups of the graphene piece. Multiple graphene pieces are exposed to air and contact with gas molecules. A gas sensing layer fixed on the conductive layer by a graphite conductive ink, where length of the conductive layer is about 20 mm. USE - Graphene gas single-sided printed capacitive sensing structure. ADVANTAGE - The structure improves precision and sensitivity of detecting concentration of nitrogen dioxide or nitrogen-hydrogen gas. DESCRIPTION OF DRAWING(S) - The drawing shows a side view of a graphene gas single-side printed capacitive sensing structure.