May 06, 2024

Graphene + plasticine = highly sensitive sensor

Plasticine is very common in everyday life, but it usually only appears as a children's toy, not much appeal to adults. Recently, researchers from the University of Dublin and the University of Manchester have made this toy into a highly sensitive sensor called "G-putty." After adding graphene into the plasticine, the resulting G-putty has excellent electrical conductivity that can be used to make highly sensitive sensors. G-putty can be used to detect some very slight impact and deformation, and even a small spider can be detected in the above crawling, which fully demonstrates the high sensitivity of the material.

In addition, according to Professor Jonathan Coleman, Principal Investigator, G-putty can also be placed on the human body to measure vital physical indicators such as breath, pulse and blood pressure. Allegedly its sensitivity is hundreds of times the conventional sensor, which also makes it has broad application prospects in the field of medicine. Professor Jonathan Coleman said that wearable devices that monitor physical well-being are gaining traction today, and the high sensitivity of G-putty will make it a reality in this space.

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