Abstract
Improving the response of sensors is often hindered by inadequate molding effects and complex manufacturing processes. Here, combining a simple magnetic-field-orientation and nano-imprinting process, a micropillar arrayed sensor was successfully fabricated, meanwhile, the boron nitride nanosheets (BNNS) were oriented in the polymer matrix. Due to the strain confinement effect, the outputted voltage of m-BNNS/PDMS composite film (SABNNS) demonstrated an improvement of 115.5% compared to the film sample with randomly dispersed nanoparticles. And the device showed a high sensitivity and rapid response capability to human motion. Furthermore, the oriented arrangement of m-BNNS and the enlarged heat dissipation area of the micropillar array contribute to the optimized thermal conductivity of the device.
| Original language | English |
|---|---|
| Article number | 20240049 |
| Journal | National Science Open |
| Volume | 4 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1 Mar 2025 |
Keywords
- BNNS
- magnetic-field-orientation
- nanoimprint
- piezoelectric sensor