Abstract

A Scanning Tunneling Microscope (STM) is used to induce a reversible transition between different polymorphs in a binary supramolecular network at the liquid/solid interface. The transition is driven externally by switching the polarity of the sample by positive or negative sample bias potentials. We demonstrate that by mixing bias-sensitive and nonsensitive molecules, we gain access to a variety of binary porous structures that can be prepared and reliably actuated for each relative concentration.

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