Bias-Dependent Visualization of Electron Donor (D) and Electron Acceptor (A) Moieties in a Chiral DAD Triad Molecule
- 14 November 2003
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 125 (49) , 14968-14969
- https://doi.org/10.1021/ja037407z
Abstract
The 2D crystal lattice structure and bias-dependent contrast of a chiral electron donor−acceptor−donor triad system, composed of two oligo(p-phenylene vinylene) electron donors and a perylenediimide electron acceptor (OPV4−PDI−OPV4), have been studied by means of scanning tunneling microscopy (STM) at the liquid−graphite interface. OPV4−PDI−OPV4 is ordered in rows and forms a well-ordered 2D crystal lattice structure. The electrical properties of the donor and acceptor parts are distinguished by the contrast in bias-dependent STM imaging.Keywords
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