{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Bista P"],"funding":["Deutsche Forschungsgemeinschaft","European Research Council"],"pagination":["5045-5052"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11220910"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["20(26)"],"pubmed_abstract":["Spontaneous charge separation in drops sliding over a hydrophobized insulator surface is a well-known phenomenon and lots of efforts have been made to utilize this effect for energy harvesting. For maximizing the efficiency of such devices, a comprehensive understanding of the dewetted surface charge would be required to quantitatively predict the electric current signals, in particular for drop sequences. Here, we use a method based on mirror charge detection to locally measure the surface charge density after drops move over a hydrophobic surface. For this purpose, we position a metal electrode beneath the hydrophobic substrate to measure the capacitive current induced by the moving drop. Furthermore, we investigate drop-induced charging on different dielectric surfaces together with the"],"journal":["Soft matter"],"pubmed_title":["Surface charge density and induced currents by self-charging sliding drops."],"pmcid":["PMC11220910"],"funding_grant_id":["ERC advanced grant DYNAMO (agreement no. 883631)","Collaborative Research Centre (SFB) 1194","883631","Focus Programme (SPP) 2171"],"pubmed_authors":["Stetten AZ","Butt HJ","Weber SAL","Ratschow AD","Bista P"],"additional_accession":[]},"is_claimable":false,"name":"Surface charge density and induced currents by self-charging sliding drops.","description":"Spontaneous charge separation in drops sliding over a hydrophobized insulator surface is a well-known phenomenon and lots of efforts have been made to utilize this effect for energy harvesting. For maximizing the efficiency of such devices, a comprehensive understanding of the dewetted surface charge would be required to quantitatively predict the electric current signals, in particular for drop sequences. Here, we use a method based on mirror charge detection to locally measure the surface charge density after drops move over a hydrophobic surface. For this purpose, we position a metal electrode beneath the hydrophobic substrate to measure the capacitive current induced by the moving drop. Furthermore, we investigate drop-induced charging on different dielectric surfaces together with the","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Jul","modification":"2025-04-06T00:13:18.144Z","creation":"2025-04-06T00:13:18.144Z"},"accession":"S-EPMC11220910","cross_references":{"pubmed":["38639086"],"doi":["10.1039/d4sm00205a"]}}