Geometrical and electrostatic densities in a highly sparse as-electrospun polystyrene microfiber mat
•A porous single polystyrene microfiber was electrospun to a density of 0.88 g cm−3.•The single fiber exhibited a material filling ratio of 80%.•A fiber mat with a density 0.051 g cm−3 was prepared.•The mat exhibited a material filling ratio of 4.7%.•The mat has a theoretical surface charge density...
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Published in | Materials letters. X Vol. 20; p. 100221 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
Elsevier B.V
01.12.2023
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | •A porous single polystyrene microfiber was electrospun to a density of 0.88 g cm−3.•The single fiber exhibited a material filling ratio of 80%.•A fiber mat with a density 0.051 g cm−3 was prepared.•The mat exhibited a material filling ratio of 4.7%.•The mat has a theoretical surface charge density of ≈1.4 × 10−3C m−2.
Electromechanically active nano/microfibers are promising components of sensors and actuators; however, piezoelectric polymers are normally expensive. To address this issue, this study examined the geometrical and electrostatic densities of an inexpensive highly sparse as-electrospun atactic polystyrene microfiber mat. The densities of porous individual fibers and the highly sparse fiber mat were experimentally determined to be 0.88 and 0.051 g cm−3, respectively, with corresponding material filling ratios of 80 % and 4.7 %, respectively. A high theoretical surface charge density of approximately 1.4 × 10−3 C m−2 was determined for the fiber mat after excluding air spaces in both individual fibers and the mat. These findings provide a pathway to outstanding electrets that are ultra-lightweight and have high charge densities. |
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ISSN: | 2590-1508 2590-1508 |
DOI: | 10.1016/j.mlblux.2023.100221 |