Highly Compressible and Sensitive Pressure Sensor under Large Strain Based on 3D Porous Reduced Graphene Oxide Fiber Fabrics in Wide Compression Strains

2019 ◽  
Vol 11 (40) ◽  
pp. 37051-37059 ◽  
Author(s):  
Xiaoping Jiang ◽  
Zongling Ren ◽  
Yafei Fu ◽  
Yafeng Liu ◽  
Rui Zou ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Pressure Sensor ◽  
Large Strain ◽  
Oxide Fiber ◽  
Reduced Graphene ◽  
Sensitive Pressure

Highly Sensitive Pressure Sensor Array With Photothermally Reduced Graphene Oxide

2015 ◽  
Vol 36 (2) ◽  
pp. 180-182 ◽  
Author(s):  
Rouzbeh Kazemzadeh ◽  
Kimball Andersen ◽  
Lazarus Motha ◽  
Woo Soo Kim
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Pressure Sensor ◽  
Sensor Array ◽  
Reduced Graphene ◽  
Highly Sensitive ◽  
Sensitive Pressure

Piezo-resistive Pressure Sensor Array with Photo-thermally Reduced Graphene Oxide

2015 ◽  
Vol 1798 ◽  
Author(s):  
Rouzbeh Kazemzadeh ◽  
Woo Soo Kim
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Pressure Sensor ◽  
Pressure Sensors ◽  
Reduced Graphene ◽  
Highly Sensitive ◽  
Medical Sensors ◽  
Applied Forces ◽  
Nano Wires ◽  
Sensitive Pressure

ABSTRACTWe report a highly sensitive pressure sensor fabricated by photo-thermally reduced Graphene oxide (GO) with silver nano wires (AgNWs). Pressure sensors are fabricated in form of the inter-digitated capacitors (IDC) composed of two finger electrodes with pattern width of 500 µm. The fabricated IDCs are compared to the previously reported MEMS-based pressure sensors' sensitivity. The fabricated sensor is easily attachable on any surface for monitoring applied forces or pressure and maintains excellent electrical conductivity under high mechanical stress and thus holds promise for durable bio-medical sensors.

Electromagnetic shielding effectiveness of carbon fabric/epoxy composite with continuous graphene oxide fiber and multiwalled carbon nanotube

2018 ◽  
Vol 52 (24) ◽  
pp. 3341-3350 ◽  
Author(s):  
Nuray Ucar ◽  
Burçak Karagüzel Kayaoğlu ◽  
Arınc Bilge ◽  
Gunseli Gurel ◽  
Pınar Sencandan ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Carbon Nanotube ◽  
Reduced Graphene Oxide ◽  
Electromagnetic Interference ◽  
Shielding Effectiveness ◽  
Electromagnetic Interference Shielding ◽  
Multiwalled Carbon ◽  
Oxide Fiber ◽  
Reduced Graphene ◽  
Electromagnetic Interference Shielding Effectiveness

Carbon fabric composite is used in technical applications such as aircrafts in which electromagnetic shielding (electromagnetic interference–shielding effectiveness) is required. Traditionally, metallic coatings or metal plates are used for electromagnetic shielding, however, conductive filler-filled composite is also alternative to metal sheets due to its light weight. In the literatures, there are studies about effect carbon nanotube and graphene oxide flakes on electromagnetic interference; however, there are no studies encountered that search the effect of carbon nanotube/graphene oxide fiber and alignment of graphene oxide fiber on electromagnetic interference. Thus, in this study, fabrication of light-weight carbon fabric/epoxy composite filled with graphene oxide fiber, reduced graphene oxide fiber and multiwalled carbon nanotube and alignment of graphene oxide fiber was studied for the first time for both electromagnetic shielding (electromagnetic interference–shielding effectiveness) and electrical conductivity. It was found that reduced graphene oxide with two layers at the same alignment (0–0) leads to increment in the electromagnetic interference–shielding effectiveness value, while reduced graphene oxide with opposite alignment (0–90) leads to decrease in the electromagnetic interference–shielding effectiveness value. Opposite to literatures for graphene oxide flakes, highly rough surface of graphene oxide fiber and reduced graphene oxide fiber causes a deterioration in electromagnetic interference–shielding effectiveness due to disruptive multiple reflections resulted from highly rough surface of graphene oxide fiber, which causes multiple reflection effect. Multiwalled carbon nanotube generally provides higher electromagnetic interference–shielding effectiveness than graphene-based fiber because it has higher conductivity and has no disruptive effect of crimpy surface as graphene oxide fiber. Multiwalled carbon nanotube loading of 15 wt% results to 32 dB electromagnetic interference–shielding effectiveness, which is considered an adequate and moderate level of shielding for many applications.

Design, fabrication and testing of reduced graphene oxide strain gauge based pressure sensor with increased sensitivity

2018 ◽  
Vol 24 (7) ◽  
pp. 2969-2981 ◽  
Author(s):  
M. S. Manjunath ◽  
N. Nagarjuna ◽  
G. Uma ◽  
M. Umapathy ◽  
M. M. Nayak ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Pressure Sensor ◽  
Strain Gauge ◽  
Reduced Graphene ◽  
Increased Sensitivity

scholarly journals Self-assembled and intercalated film of reduced graphene oxide for a novel vacuum pressure sensor

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Sung Il Ahn ◽  
Jura Jung ◽  
Yongwoo Kim ◽  
Yujin Lee ◽  
Kukjoo Kim ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Pressure Sensor ◽  
Vacuum Pressure ◽  
Reduced Graphene ◽  
Self Assembled

An electromechanical behavior of reduced graphene oxide fiber

Carbon ◽  
2016 ◽  
Vol 105 ◽  
pp. 244-247 ◽  
Author(s):  
Fancheng Meng ◽  
Miao Wang ◽  
Weibang Lu ◽  
Qingwen Li ◽  
Tsu-Wei Chou ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Oxide Fiber ◽  
Electromechanical Behavior ◽  
Reduced Graphene
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