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Vol. 250, Issue 3, March 2021, pp. 26-31




Polyvinylidene Fluoride-Praseodymium Oxide Nanocomposite Force Sensors
for Monitoring Human Physiological and Muscle Motion Signs

1, * Ashok BATRA, 1 James SAMPSON, 2 Kuzhivelil ARUN and 3 Aschalew KASSU

1 Materials Science Group, Department of Physics, Chemistry, and Mathematics Alabama A&M University, Normal (Huntsville), AL 35762, USA
2 Department of Physics, Sree Kerala Varma College, Thrissur, Kerala 680011, India
3 Department of Mechanical, Civil Engineering and Construction Management Alabama A&M University, Normal (Huntsville), AL 35762, USA
1 Tel.: 2563728109, fax: 2563725622

E-mail: ashok.batra@aamu.edu


Received: 29 November 2020 /Accepted: 15 February 2021 /Published: 31 March 2021

Digital Sensors and Sensor Sysstems


Abstract: In the present investigation, praseodymium oxide (Pr2O3) nanoparticles embedded polyvinylidene fluoride (PVDF) thick films were fabricated via solution casting/intercalation technique. The Pr2O3 nanoparticles were synthesized by the hydrothermal technique. The Fourier Transform Infrared Spectroscopy (FTIR) has been recorded in the range 400 to 4000 cm-1, and functional groups were identified in the nanocomposite films. Infrared vibrational spectroscopy (FTIR and Raman) curves revealed ferroelectric -phase in the annealed nanocomposite films intrinsically. The electrode films so produced were sandwiched between Kapton film to form a sensing device. Based on reasonable linear piezo-capacitive behaviors obtained, PVDF-Pr2O3 nanocomposites films can be used to create highly flexible pressure sensors.


Keywords: PVDF, Praseodymium oxide, Nanocomposites, Solution casting, Pressure sensors.


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