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(a and c) STM images showing the typical structure of C3-Ald (a) and TMA (c) monolayers on HOPG at the solid/liquid interface obtained at different bias voltages (Vbias = from 850 to −850 mV; I = 150 pA). (b and d) Optimized equilibrium C3-Ald (b) and TMA (d) structures obtained by MD simulations.
