Table 1 Summary of the typical piezoresistive, cross-talk and mechanical properties of the PEDOT:PSS pressure sensing arrays with various sizes of Au-NP incorporation.
From: Cross-Talk Immunity of PEDOT:PSS Pressure Sensing Arrays with Gold Nanoparticle Incorporation
Data | 1 × 1 pressure sensor | 2 × 2 pressure sensing array | Mechanical properties | ||||
---|---|---|---|---|---|---|---|
Sensitivity (kPa−1) | Relaxation time (sec) | Cross-talk (adjacent) | Cross-talk (diagonal) | Young’s Modulus (E) (GPa) | Hardness (H) (GPa) | H3/E2 (MPa) | |
Sample | |||||||
PEDOT:PSS | 0.551 | 5 | 0.207 | 0.164 | 1.271 | 0.089 | 0.347 |
5 nm Au-NPs | 0.59 | 3.2 | 0.171 | 0.157 | 1.36 | 0.103 | 0.49 |
10 nm Au-NPs | 0.594 | 3 | 0.026 | 0.067 | 1.593 | 0.115 | 0.505 |
20 nm Au-NPs | 0.596 | 2.7 | 0.0073 | 0.0098 | 1.808 | 0.12 | 0.507 |
30 nm Au-NPs | 0.58 | 2.2 | 0.144 | 0.131 | 1.948 | 0.129 | 0.575 |
50 nm Au-NPs | 0.535 | 2.1 | 0.166 | 0.168 | 1.951 | 0.135 | 0.611 |
80 nm Au-NPs | 0.511 | 2.3 | 0.251 | 0.23 | 1.968 | 0.138 | 0.612 |