A critical review of piezoresistivity and its application in electrical-resistance-based strain sensing

DDL Chung - Journal of Materials Science, 2020 - Springer
Piezoresistivity is an electromechanical effect characterized by the reversible change in the
electrical resistivity with strain. It is useful for electrical-resistance-based strain/stress …

Microfabrication of functional polyimide films and microstructures for flexible MEMS applications

Z Dong, Q He, D Shen, Z Gong, D Zhang… - Microsystems & …, 2023 - nature.com
Polyimides are widely used in the MEMS and flexible electronics fields due to their
combined physicochemical properties, including high thermal stability, mechanical strength …

Elastic Organic Crystals as Bioinspired Hair‐Like Sensors

S Yousuf, J Mahmoud Halabi, I Tahir… - Angewandte …, 2023 - Wiley Online Library
One of the typical haptic elements are natural hairy structures that animals and plants rely on
for feedback. Although these hair sensors are an admirable inspiration, the development of …

Flexible strain sensor with tunable sensitivity via microscale electrical breakdown in graphene/polyimide thin films

Y Jiang, Q He, J Cai, D Shen, X Hu… - ACS Applied Materials & …, 2020 - ACS Publications
Carbon-based piezoresistive nanomaterials are widely used for the fabrication of flexible
sensors. Although our previous work demonstrated that an electrical breakdown (EBD) …

Bioinspired artificial hair sensors for flight-by-feel of unmanned aerial vehicles: a review

AC Hollenbeck, R Grandhi, JH Hansen, AM Pankonien - AIAA Journal, 2023 - arc.aiaa.org
Flight-by-feel is an emerging approach to flight control that uses distributed arrays of
pressure, strain, and flow sensors to guide aircraft. Among these, hair-type flow sensors …

Graphene-based pressure sensor and strain sensor for detecting human activities

K Li, W Yang, M Yi, Z Shen - Smart Materials and Structures, 2021 - iopscience.iop.org
Wearable pressure sensors and strain sensors with high sensitivity and large working range
are essential for detecting human motions. However, fabricating wearable sensors, which …

Flexible graphene pressure sensor based on sponge sewn with cotton

K Li, W Yang, Z Shen, X Zhang, M Yi - Sensors and Actuators A: Physical, 2023 - Elsevier
High sensitivity and large working range are both essential for flexible pressure sensors.
However, there are irreconcilable contradictions between sensitivity and working range …

Electrohydrodynamic jet printed bioinspired piezoelectric hair-like sensor for high-sensitivity air-flow detection

D Wang, Y Li, X Hu, L Lu, P Xu, X Chen… - Smart Materials and …, 2023 - iopscience.iop.org
Inspired by the highly sensitive hairs of creatures in nature, this work proposes a high-aspect-
ratio piezoelectric sensor that is processed using electrohydrodynamic jet (E-jet) printing …

Near-field electrospinning-enabled direct-write P (VDF-TrFE) nano/micro-fiber-based piezoelectric film for a high-performance airflow sensor

J Hu, J Chen, P Liu, S Fan, W Duan - Sensors and Actuators A: Physical, 2022 - Elsevier
Airflow sensor is a crucial component in many engineering settings, such as sustainable
energy utilization, environmental monitoring, weather forecasting, and aerospace …

A flexible flow sensor for detecting airflow velocity and incident angle

Z Dong, D Shen, Z Gong, D Zhang… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
A flexible flow sensor is proposed to measure the airflow velocity and incident angle. The
sensor consists of a polyimide (PI) substrate, a flat cantilever beam and a graphene …