Flexible piezoelectric polymer composites with magnetic-field-oriented BNNS and imprinted micropillars for self-powered sensors
Year: 2024
Type: article
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.
Source: National Science Open
DOI: 10.1360/nso/20240049
Authors: Chaojie Xin, Hu Zhao, Xiaoming Chen, Chao Shi, Duo Ma, Qihang Song, Quanyi Zhao, Jie Zhang, Chunhui Wang
Language: English
Subfield: Biomedical Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W4404799816