Active Control of Contact Angles of Various Liquids from the Response of Self-Assembled Thiol Molecules to Electric Current.

ABSTRACT: The ability to change wettability in situ would realize active surfaces that can change their functionality and adapt to different environments. This article reports a new and easy method that controls surface wettability in situ. In doing so, three hypotheses were to be proven. First, thiol molecules with dipole moments at the end that were adsorbed onto gold could change the contact angles of nonpolar or slightly polar liquids when an electric current was provided at the gold surface without having to ionize the dipole. It was also hypothesized that the molecules would undergo conformation changes as their dipoles would align with the magnetic field induced by the applied current. Second, the ability to change contact angles was modified by mixing ethanethiol, a much shorter thiol with n

SUBMITTER: Lippert D 

PROVIDER: S-EPMC10100822 | biostudies-literature | 2023 Apr

REPOSITORIES: biostudies-literature