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IPM
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“School of Nano-Sciences”

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Paper   IPM / Nano-Sciences / 16055
School of Nano Science
  Title:   Low cost flexible pressure sensor using laser scribed GO/RGO periodic structure for electronic skin applications
  Author(s): 
1 . Zahra Hosseindokht
2 . Raheleh Mohammadpour
3 . Elham Asadian
4 . Mohsen Paryavi
5 . Hasehm Rafii Tabar
6 . Pezhman Sasanpour
  Status:   Published
  Journal: Superlattices and Microstructures
  Vol.:  140
  Year:  2020
  Pages:   106470
  Publisher(s):   Elsevier Ltd.
  Supported by:  IPM
  Abstract:
Considering electronic skin applications, a pressure sensor based on periodic structure of graphene oxide-reduced graphene oxide (GO-rGO) has been designed and fabricated based on a low cost direct laser writing technique by utilizing the laser diode of DVD drive's pickup head. The optimization of sensor structure has been performed using computational modelling through Finite Element Method (FEM) in the COMSOL environment. The optimized structure is fabricated based on the deposition of thin layer of GO on the surface of Kapton and the pattering is performed by laser irradiation. The fabricated sensor structure has been characterized structurally and functionally. The results show that the fabrication method is successful in the formation of periodic structure of GO-rGO and the sensor has an acceptable response in the range of 1.5-40 kPa.

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