Electronic structure and ordering of aromatic molecules on Au(111)

C. Brian France; Andy Frame; Bruce A. Parkinson

doi:10.1117/12.556054

14 October 2004 Electronic structure and ordering of aromatic molecules on Au(111)

C. Brian France, Andy Frame, Bruce A. Parkinson

Proceedings Volume 5513, Physical Chemistry of Interfaces and Nanomaterials III; (2004) https://doi.org/10.1117/12.556054
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Aromatic molecules, such as pentacene, sexiphenyl and naphtho[2,3-a]pyrene, adsorbed on Au(111) surfaces are studied with x-ray photoemission spectroscopy (XPS), ultraviolet photoemission spectroscopy (UPS), temperature programmed desorption (TPD) and scanning tunneling microscopy (STM). All the molecules developed a strong interface dipole indicative of charge transfer from the molecule to the substrate. At monolayer coverages or less a variety of two-dimensional ordered structures were discovered. Naphtho[2,3-a]pyrene, a 2D chrial adsorbate, forms chiral domains rater than a 2D racemic unit cell.

Citation Download Citation

C. Brian France, Andy Frame, and Bruce A. Parkinson "Electronic structure and ordering of aromatic molecules on Au(111)", Proc. SPIE 5513, Physical Chemistry of Interfaces and Nanomaterials III, (14 October 2004); https://doi.org/10.1117/12.556054

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