Protonic charge defect structures in floating water bridges observed as Zundel and Eigen solvation arrangements

摘要

Graphical abstract Display Omitted Highlights ? Experimental arrangement for the detection of proton solvation in water. ? Injected protons detection in water bridges. ? Eigen and Zundel protonic arrangements spectra as function of high voltage. Abstract Protonic arrangements were detected in water bridge structures using confocal Raman microscopy, and the spectra show two formed structures. The measured Raman spectra were modified using the voltage applied to the bridge structure, which changed the proportion of these two species. Initially, for a 6.3kV applied voltage, there was a measurable increase in the bridge current above the Ohmic contribution and the observed Raman spectrum of this new injected specie corresponded to the computed spectrum for the Zundel protonic arrangement. As the voltage further increases a contribution from the Eigen proton solvation specie is added to the measured spectrum. ]]>