Effects of metal nanoparticles on the performance of PDMS based triboelectric nanogenerators

Energy harnessing gadgets which employ triboelectric effect have garnered global attention due to excellent output performance compared to other nanogenerators for various applications. In this article, an attempt has been made to modify the properties of poly dimethyl siloxane (PDMS), which is a tr...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2022-08, Vol.639, p.413952, Article 413952
Main Authors: Anlin, Lazar K., Vijoy, K.V., Pradeesh, K., Thomas, Shibi, John, Honey, Saji, K.J.
Format: Article
Language:English
Subjects:
Dielectric properties
Electrical properties
Fillers
Materials
Metal nanoparticles
Metal/PDMS composite
Metals
Nanogenerators
Nanoparticles
Poly dimethyl siloxane
Polydimethylsiloxane
Silver
Triboelectric effect
Triboelectric nanogenerators
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Summary:Energy harnessing gadgets which employ triboelectric effect have garnered global attention due to excellent output performance compared to other nanogenerators for various applications. In this article, an attempt has been made to modify the properties of poly dimethyl siloxane (PDMS), which is a tribo material by embedding it with metal nanoparticles of different conductivity and in different weight percent. TENGs based on metal nanoparticle/PDMS composite films are fabricated and electrical characteristics were examined. This study reveals that the filler with best conductivity exhibits excellent properties. Presence of silver nanoparticles increased the permittivity of the tribolayer from 5.3 to 16.9 for 20 wt% filler at 1 kHz. Electrical studies of silver/PDMS composite film gave appreciable results; 5.1 μA (Isc), 33.6 V (Voc), 72.2 μW power at 8 MΩ with 10 N force at an excitation frequency of 10 Hz. •Polydimethylsiloxane (PDMS) with metal nanoparticles composite film were fabricated using room temperature curing method.•Synthesis of triboelectric nanogenerator (TENG) using metal/PDMS composite film and copper electrode.•Different metals were embedded into PDMS matrix and electrical properties of metal/PDMS composite were examined.•Study of load resistance and load capacitor effects of metal/PDMS composite based TENG were done using capacitance model.•The electrical characterization and dielectric study of metal/PDMS composite were examined systematically.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2022.413952