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dc.titleThe Relationship between Static Charge and Shape
dc.contributor.authorPandey, R.K.
dc.contributor.authorAo, C.K.
dc.contributor.authorLim, W.
dc.contributor.authorSun, Y.
dc.contributor.authorDi, X.
dc.contributor.authorNakanishi, H.
dc.contributor.authorSoh, S.
dc.identifier.citationPandey, R.K., Ao, C.K., Lim, W., Sun, Y., Di, X., Nakanishi, H., Soh, S. (2020). The Relationship between Static Charge and Shape. ACS Central Science 6 (5) : 704-714. ScholarBank@NUS Repository.
dc.description.abstractThe amount of charge of a material has always been regarded as a property (or state) of materials and can be measured precisely and specifically. This study describes for the first time a fundamental physical-chemical phenomenon in which the amount of charge of a material is actually a variable-it depends on the shape of the material. Materials are shown to have continuously variable and reversible ranges of charge states by changing their shapes. The phenomenon was general for different shapes, transformations, materials, atmospheric conditions, and methods of charging. The change in charge was probably due to a dynamic exchange of charge from the material to the surrounding atmosphere as the shape changed via the reversible ionization and deposition of air molecules. Similar changes in charge were observed for self-actuating materials that changed their shapes autonomously. This fundamental relationship between geometry and electrostatics via chemistry is important for the broad range of applications related to the charge of flexible materials. © 2020 American Chemical Society.
dc.publisherAmerican Chemical Society
dc.sourceScopus OA2020
dc.contributor.departmentDEPT OF CHEMICAL & BIOMOLECULAR ENGG
dc.description.sourcetitleACS Central Science
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