Molecular superlattices induced by alkyl substitutions in self-assembled triphenylene monolayers

Chemphyschem. 2001 Dec 17;2(12):750-4. doi: 10.1002/1439-7641(20011217)2:12<750::AID-CPHC750>3.0.CO;2-9.

Abstract

The configuration of the superlattices, formed from liquid-crystalline molecules on a graphite surface, are controllable through their alkyl substituents. This control may be attributed to the interplay of molecular steric interaction and the 2 D crystallization of alkyl chains. Two such lattices, as observed by STM, are shown in the accompanying graphic (C12- and (inset) C14-substituted molecules).