Zhihui Wang, Yu-Ling Zou, Bo Jiang, Wei Wang, Hui Wang
{"title":"Spatially Resolving and Regulating Heterogeneity of Electronic Coupling at the Single Silver Nanoentity Level.","authors":"Zhihui Wang, Yu-Ling Zou, Bo Jiang, Wei Wang, Hui Wang","doi":"10.1021/cbmi.5c00035","DOIUrl":"10.1021/cbmi.5c00035","url":null,"abstract":"<p><p>Interfacial electron transfer governs electrochemical heterogeneity at the single-entity level. Herein, we investigated the electronic coupling event during electrodissolution processes of single silver nanoentities on a Au electrode through a synchronized electrochemical-optical tracking platform. By implementing strategic control of interfacial gap distances and electrolyte composition, a marked differentiation of single-particle reaction dynamics can be achieved. The integration of superlocalization methodology reveals position-correlated optical centroid shifts during electrodissolution processes, demonstrating heterogeneous oxidation dynamics arising from spatially nonuniform surface oxide formation. Crucially, SAM-mediated gap regulation enables the precise regulation of interfacial electric field enhancement. Our methodology resolves electronic coupling heterogeneity at subnanowire scale while proving molecular interlayer-dependent modulation of coupling lifetimes. This electrochemical-optical imaging strategy establishes nanoscale spatial mapping of electrochemical dynamics, quantitative correlation between interfacial structure and coupling efficiency, and real-time tracking of transient electronic states. These findings demonstrate the capability of advanced optical imaging methodologies in elucidating structure-activity relationships at nanoscale interfaces, providing mechanistic insights for single-entity electrochemistry and nanoscale energy conversion systems.</p>","PeriodicalId":53181,"journal":{"name":"Chemical & Biomedical Imaging","volume":"3 9","pages":"636-642"},"PeriodicalIF":5.7,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12458043/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145151922","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bret A. Marckx, Hunter Maclennan and Ömer Özgür Capraz*,
{"title":"","authors":"Bret A. Marckx, Hunter Maclennan and Ömer Özgür Capraz*, ","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":53181,"journal":{"name":"Chemical & Biomedical Imaging","volume":"3 6","pages":"XXX-XXX XXX-XXX"},"PeriodicalIF":0.0,"publicationDate":"2025-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/pdf/10.1021/cbmi.5c00003","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144429123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}