Self-Assembled Monolayers and Solvent Composition Control the Orientation and Work Function of Pyrene-Based [7]Helicenes

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24 Oct 2026 0 comments

Self-assembled monolayers (SAMs) and solvent composition critically influence the orientation and electronic properties of functional organic molecules, paving the way for energy conversion and optoelectronic devices. PeakForce quantitative nanomechanics atomic force microscopy (AFM) was used to investigate pyrene-based 2H-pyran[7]helicene (P,S,S)-(+) and its mirror image, 2H-pyran[7]helicene (M,R,R)-(-), deposited on self-assembled monolayers (SAMs) with one of the following headgroups:...