[3PS-277]
Enhancing Mechanical Robustness of Graphene Aerogels via PDMS Reinforcement for Pressure Sensor Applications
발표자최현호 (인하대학교)
연구책임자김승현 (인하대학교)
Abstract
The use of graphene oxide (GO) aerogels in pressure sensors has been constrained by their brittleness, despite their low density and porous structure. To overcome this limitation, a three-dimensional composite aerogel was developed by reinforcing a reduced GO network using L-ascorbic acid (L-AA) with polydimethylsiloxane (PDMS). In this work, the rGO aerogel with an interconnected porous structure was obtained through a green reduction route, but the pristine framework showed limited mechanical resilience. Subsequent PDMS incorporation effectively stabilized the internal skeleton, leading to improved elastic recovery under repeated deformation. The morphology, mechanical behavior, and electrical performance of the composite aerogel were investigated using SEM, UTM, and electrical measurements. The rGO/PDMS aerogel exhibited high sensitivity, a broad sensing range, and stable electrical responses, demonstrating its suitability for flexible pressure-sensing applications