Influence of Wettability and Geometry on Contact Electrification between Nonionic Insulators.

ACS Appl Mater Interfaces · 2023 · PMC10485807 · PMID 37389550

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an increasing trendno p-value reported

For two hydrophilic surfaces, on the other hand, an increasing trend in V CE is also observed with RH, similar to, but weaker than the hydrophilic–hydrophobic material combinations.

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a clear trendno p-value reported

In Figure 6 a, the contact electrification voltage is determined as a function of contact time for different relative humidities between a silica colloidal probe and the CF x . A clear trend is observed in which V CE increases for longer contact times in contrast to the adhesion force. 64 For the other material combinations, the charging process is too fast (pristine SiO 2 ) or weak (polystyrene probe) to observe the same trends.

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