Article Dans Une Revue Physical Review Research Année : 2025

Surface charge pattern: Impact on vibrational spectroscopy and physics of charged interfaces

Résumé

Surface-specific vibrational spectroscopies revolutionized the study of charged interfaces, by sensitively probing water's response in the electric double layer (EDL) and correlating it with surface charge via models like Gouy-Chapman-Stern. The assumed one-to-one relationship between water's spectroscopic response and surface charge has been widely accepted without question. We hereby propose a theoretical experiment to evaluate this assumption. Interestingly, our findings reveal a non-one-to-one relationship between surface charge and spectroscopic response, exhibiting a fascinating dependence on surface topology.

Dates et versions

hal-05336379 , version 1 (29-10-2025)

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Wanlin Chen, Marie-Pierre Gaigeot, Simone Pezzotti. Surface charge pattern: Impact on vibrational spectroscopy and physics of charged interfaces. Physical Review Research, 2025, 7 (3), pp.033207. ⟨10.1103/gtw7-xc2k⟩. ⟨hal-05336379⟩
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