GRAPHENE-POLYIMIDE NANOCOMPOSITE PIEZORESISTIVE THIN FILM DEVICE FOR STRAIN AND PRESSURE MEASUREMENT by

CNT-POLYIMIDE NANOCOMPOSITE PIEZORESISTIVE THIN FILM DEVICES FOR STRAIN AND PRESSURE MEASUREMENT by

Piezoresistive Properties of Suspended Graphene Membranes under Uniaxial and Biaxial Strain in Nanoelectromechanical Pressure Sensors

Graphene membranes act as highly sensitive transducers in nanoelectromechanical devices due to their ultimate thinness. Previously, the piezoresistive effect has been experimentally verified in graphene using uniaxial strain in graphene. Here, we report experimental and theoretical data on the uni- and biaxial piezoresistive properties of suspended graphene membranes applied to piezoresistive p...

A Flexible and Highly Sensitive Pressure Sensor Based on a PDMS Foam Coated with Graphene Nanoplatelets

The demand for high performance multifunctional wearable devices is more and more pushing towards the development of novel low-cost, soft and flexible sensors with high sensitivity. In the present work, we describe the fabrication process and the properties of new polydimethylsiloxane (PDMS) foams loaded with multilayer graphene nanoplatelets (MLGs) for application as high sensitive piezoresist...

Sensitive gas sensor embedded in a vertical polymer space-charge-limited transistor

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Graphene "microdrums" on a freestanding perforated thin membrane for high sensitivity MEMS pressure sensors.

We present a microelectromechanical system (MEMS) graphene-based pressure sensor realized by transferring a large area, few-layered graphene on a suspended silicon nitride thin membrane perforated by a periodic array of micro-through-holes. Each through-hole is covered by a circular drum-like graphene layer, namely a graphene "microdrum". The uniqueness of the sensor design is the fact that int...