2023
DOI: 10.1002/adfm.202300666
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Low‐Intensity Sensitive and High Stability Flexible Heart Sound Sensor Enabled by Hybrid Near‐Field/Far‐Field Electrospinning

Abstract: Low-cost and wearable heart sound sensors can facilitate early detection and monitoring of cardiovascular and respiratory diseases. Such sensors are currently limited by either the complexity of fabrication processes or low sensitivity and reliability for weak signal detection. Here, a hybrid near-field/ far-field electrospinning approach is demonstrated that enables low-cost fabrication and optimization of triboelectric heterostructures for heart sound sensing. Specifically, by combining the far-field produce… Show more

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Cited by 14 publications
(2 citation statements)
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“…The template manufacturing approach offers an accessible method to create sensors with adjustable sensing properties. ,, Various nanomicro structured sensing layers, including carbon nanotubes, , Ag nanowires, and graphene, have been investigated using methods such as chemical vapor transport, electrospinning, and drop casting . However, their practical applications remain limited, presumably due to the high cost of nanomicro materials, complex processes, and poor reproducibility.…”
Section: Introductionmentioning
confidence: 99%
“…The template manufacturing approach offers an accessible method to create sensors with adjustable sensing properties. ,, Various nanomicro structured sensing layers, including carbon nanotubes, , Ag nanowires, and graphene, have been investigated using methods such as chemical vapor transport, electrospinning, and drop casting . However, their practical applications remain limited, presumably due to the high cost of nanomicro materials, complex processes, and poor reproducibility.…”
Section: Introductionmentioning
confidence: 99%
“…This is crucial for wearable technology since the sensors must be strong enough to sustain regular use. Moreover, the new capacitive pressure sensors that are smaller and more flexible have been made possible by advancements in fabrication techniques [ 12 , 13 , 14 ], including micro-fabrication and printed electronics [ 15 , 16 ]. As a result, sensors may now be integrated into wearable technology in novel and creative ways.…”
Section: Introductionmentioning
confidence: 99%