Journal
POLYMER
Volume 254, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2022.125087
Keywords
Pressure sensors; Pressure sensitivity; Fluorescent; Piezoelectricity
Categories
Funding
- Beijing Municipal Education Commission, China [22019821001]
- Zhejiang Collaborative Innovation Center for High Value Utilization of byproducts from Ethylene Project (Ningbo Polytechnic College) [NZXT202102]
- College Student Research and Careercreation Program of Beijing City, China [2022J00044]
- Yanshan Scholars' Scientific Research Start-up Funding from Yanshan University, China
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The development of multi-functional piezoelectric polymer film is highly significant for wearable functional devices, flexible sensors, and intelligent wearables. This study prepared a fluorescent labeled multimode pressure sensor using electrospinning technology with P(VDF-HFP) nanocomposite films. The sandwich-structured devices showed high sensitivity, piezoelectric output, fluorescence functionality, flexibility, and thermal properties. The results suggest that sandwich-structured devices based on fluorescent labeled electroactive P(VDF-HFP) composite nanofiber films have great potential for multi-functional flexible sensors and intelligent wearables.
The development of multi-functional piezoelectric polymer film is of great significance to many application fields, such as those involving wearable functional devices, flexible sensors, and actuators. In this study, multilayer P(VDF-HFP) nanocomposite films were prepared using electrospinning technology with the MWCNTsCOOH and Eu complexes as fillers to achieve a fluorescent labeled multimode pressure sensor. The sandwich structured devices were prepared using both electrospun polyurethane (PU) nanofiber films and P(VDF-HFP) composite nanofiber films, where the P(VDF-HFP) composite nanofiber film was used as the core electroactive layer and the PU nanofiber film was used for the skin layers. The resulting sandwich-structured devices showed high sensitivity at ultra-low-pressure (<1 kPa), high piezoelectric output (2.1V), fluorescence functionality, excellent flexibility, and good thermal properties. Our results suggest that sandwich-structured devices based on fluorescent labeled electroactive P(VDF-HFP) composite nanofiber films have great potential for application the fields of multi-functional flexible sensors and intelligent wearables.
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