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Impact of Stabilizer on In Situ Formation of Ag Nanoparticles in Polyvinylidene Fluoride (PVDF) Matrix

Published online by Cambridge University Press:  10 May 2019

Maryam Sarkarat ,
Amira B. Meddeb ,
Sridhar Komarneni  and
Zoubeida Ounaies
Maryam Sarkarat*
Affiliation:
Materials Research Institute, The Pennsylvania State University, PA16802USA
Amira B. Meddeb
Affiliation:
Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, PA16802
Sridhar Komarneni
Affiliation:
Department of Ecosystem Science and Management, The Pennsylvania State University, PA16802
Zoubeida Ounaies
Affiliation:
Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, PA16802
*
*Corresponding author . Email: mus60@psu.edu
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Abstract:

In situ synthesis of Ag nanoparticles in polyvinylidene fluoride (PVDF) was investigated using different stabilizers such as 3-aminopropyltrimethoxysilane (APS) and 1-dodecanethiol (thiol). Although PVDF is a matrix, it also functions as a stabilizer. Results of UV-vis spectroscopy showed that when APS or PVDF was used, Ag nanoparticles were formed. Yet no formation occurred when thiol was used due to the complexation of Ag+ ions by thiol. Polar groups on stabilizers has an important effect on complexation process. APS, a nitrogen-based ligand, has hard base character inhibiting the complexation between Ag+ and APS. Consequently, Ag+ ions are reduced to Ag nanoparticles in N,N dimethyl formamide (DMF), which acts as a solvent and reducing agent. Transition Electron Microscopy (TEM) image showed a uniform distribution of spherical Ag nanoparticles in PVDF matrix in the presence of APS. The electrical properties of flexible nano-metal polymer were tested and the highest improvements in breakdown strength and energy density of 33 and 58 %, respectively were measured with 0.05 wt.% Ag content and APS as a stabilizer.

Keywords

castingdielectricdielectric propertiespolymerx-ray diffraction (XRD)
Type
Articles
Information
MRS Advances , Volume 4 , Issue 38-39: Quantum and Nanomaterials , 2019 , pp. 2103 - 2108
Copyright
Copyright © Materials Research Society 2019 

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