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It is well known that hydrogels are prone to swelling in a hydration environment, and one of the key challenges in developing gel-based electronic devices is to overcome their inherent weaknesses, such as deformation caused by unwanted swelling, signal distortion caused by dehydration, and sensing Large lag of the signal
Recently, Professor Chen Fei of Xi'an Jiaotong University and Professor Xu Bin of Northumbria University, UK, have proposed a method for preparing structural gel composite (SGC), which is to synthesize conductive hydrogel by in-situ polymerization.
Figure 1.
The conductive hydrogel/MXene was coated with a hydrophobic lipid gel (Lipogel) layer, and SGC was synthesized by in-situ polymerization (Fig.
Figure 2.
The addition of MXene increases the tensile strength of the material.
Figure 3.
Through use on substrates including glass, copper, rubber, martin, mara, wood, polyethylene (PE), and polytetrafluoroethylene (PTFE), SGC has been found to adhere in the open air and underwater All substrates (Fig.
Figure 4.
The researchers next evaluated the underwater mechanical sensing behavior of the SGC (Fig.
SGC also has reliable sensing performance and stable electrical output
Figure 5.
Figure 6.
Summary: In this work, we demonstrate a structural gel composite approach by creating a thin hydrophobic lipid gel layer on the conductive hydrogel/Mxene surface, and then develop a robust sensing strategy with unique waterproof properties, For use in underwater environments
