Interfacial pH and surface pKa of a thioctic acid self-assembled monolayer.
A self-assembled acid-functionalised monolayer on a gold surface has an interfacial pH 2.93 more acidic than the bulk and surface pK(a) very similar to that of the free acid.
Rooth
Maxim
M
School of Biosciences, University of Exeter, Stocker Road, Exeter, UK EX4 4QD.
Shaw
Andrew M
AM
D000975:Antioxidants / Q000737:chemistry; D015374:Biosensing Techniques; D002244:Carbon / Q000737:chemistry; D006046:Gold; D006863:Hydrogen-Ion Concentration; D049329:Nanostructures; D020349:Surface Plasmon Resonance / Q000379:methods*; D013499:Surface Properties; D013501:Surface-Active Agents / Q000737:chemistry; D008063:Thioctic Acid / Q000737:chemistry*; D013997:Time Factors
D000975:Antioxidants; D013501:Surface-Active Agents; D008063:Thioctic Acid; D002244:Carbon; D006046:Gold