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Chin. Phys. B, 2020, Vol. 29(2): 028102    DOI: 10.1088/1674-1056/ab6721

High sensitive pressure sensors based on multiple coating technique

Rizwan Zahoor, Chang Liu(刘畅), Muhammad Rizwan Anwar, Fu-Yan Lin(林付艳), An-Qi Hu(胡安琪), Xia Guo(郭霞)
School of Electronic Engineering, State Key Laboratory for Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
Abstract  A multi-coating technique of reduced graphene oxide (RGO) was proposed to increase the sensitivity of paper-based pressure sensors. The maximum sensitivity of 17.6 kPa-1 under the 1.4 kPa was achieved. The electrical sensing mechanism is attributed to the percolation effect. Such paper pressure sensors were applied to monitor the motor vibration, which indicates the potential of mechanical flaw detection by analyzing the waveform difference.
Keywords:  paper sensor      reduced graphene oxide      sensitivity  
Received:  12 November 2019      Revised:  27 November 2019      Accepted manuscript online: 
PACS:  81.05.ue (Graphene)  
  07.07.Df (Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing)  
  75.75.-c (Magnetic properties of nanostructures)  
Fund: Project supported by the National Key Research and Development Program of China (Grant No. 2016YFB0400603) and the National Natural Science Foundation of China (Grant No. 61804012).
Corresponding Authors:  Xia Guo     E-mail:

Cite this article: 

Rizwan Zahoor, Chang Liu(刘畅), Muhammad Rizwan Anwar, Fu-Yan Lin(林付艳), An-Qi Hu(胡安琪), Xia Guo(郭霞) High sensitive pressure sensors based on multiple coating technique 2020 Chin. Phys. B 29 028102

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