Table 3 The performance of different structure FBES
From: Flexible brain electronic sensors advance wearable brain-computer interface
Structure | Materials | Performance | Reference |
|---|---|---|---|
Compound eye microstructure | PDMS+Ag | The sensitivity of the FBES reached 0.32 kPa-1; the response time≤130 ms, and recovery time≤120 ms; the hysteresis parameter is less than 7%, which could withstand 12,000 impacts | |
Crater microstructure | Dielectric calcium cross-linked alginate film | The detection distance was about 55 mm, the response time was 10 ms, and the linear output R2 of the response was 0.995. | |
Hierarchical structure | EDL & ionic gel | Sensors showed a high sensitivity of 72.86 kpa-1, the pressure sensing range was 1 Pa to 400 kPa, the response time was 43 ms, the number of cycles was 7300. | |
Hierarchical structure | Mxene | The sensitivity was 1799.5 kPa-1, the response time was 11 ms and the Young’s modulus was more than 25000 cycles. | |
Bionic structure | Carbon nanotubes & perovskite quantum dots | The sensitivity was 5.1 × 107 a /W and the detection rate was 2 × 1016. | |
Fiber structure | Hydrogel | The hydrogel could self-repair within 10 minutes after deformation, the tensile strength was greater than 7000%, and the conductivity was 11.76 S/cm |
