Department of Chemistry and Biochemistry, and Laboratory for Surface Studies, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, USA.
Phys Chem Chem Phys. 2010 Oct 7;12(37):11624-9. doi: 10.1039/c003239e. Epub 2010 Aug 16.
One-dimensional supramolecular structures formed by adsorbing low coverages of 1,4-diisocyanobenzene on Au(111) at room temperature are obtained and imaged by scanning tunneling microscopy (STM) under ultrahigh vacuum (UHV) conditions. The structures originate from step edges or surface defects and arrange predominantly in a straight fashion on the substrate terraces along the <110> directions. They are proposed to consist of alternating units of 1,4-diisocyanobenzene molecules and gold atoms with a unit cell in registry with the substrate corresponding to four times the lattice interatomic distance. Their long 1-D chains and high thermal stability offer the potential to use them as conductors in nanoelectronic applications.
在室温下，通过吸附低覆盖率的 1,4-二异氰基苯在 Au(111)上获得了一维超分子结构，并通过扫描隧道显微镜（STM）在超高真空（UHV）条件下对其进行成像。这些结构源于台阶边缘或表面缺陷，并主要沿着<110>方向在基底平台上以直线方式排列。它们被提议由 1,4-二异氰基苯分子和金原子交替单元组成，其单元与基底相对应，对应于四次原子间晶格距离。它们的长一维链和高热稳定性提供了将它们用作纳米电子应用中的导体的潜力。
