电极-分子结合及结几何结构对双-2,2':6',2″-三联吡啶基配合物单分子电导的影响
Effects of Electrode-Molecule Binding and Junction Geometry on the Single-Molecule Conductance of bis-2,2':6',2″-Terpyridine-based Complexes.
作者信息
Davidson Ross, Al-Owaedi Oday A, Milan David C, Zeng Qiang, Tory Joanne, Hartl František, Higgins Simon J, Nichols Richard J, Lambert Colin J, Low Paul J
机构信息
Department of Chemistry, Durham University , South Rd, Durham, DH1 3LE, United Kingdom.
Department of Physics, Lancaster University , Lancaster, LA1 4YB, United Kingdom.
出版信息
Inorg Chem. 2016 Mar 21;55(6):2691-700. doi: 10.1021/acs.inorgchem.5b02094. Epub 2016 Feb 24.
The single molecule conductances of a series of bis-2,2':6',2″-terpyridine complexes featuring Ru(II), Fe(II), and Co(II) metal ions and trimethylsilylethynyl (Me3SiC≡C-) or thiomethyl (MeS-) surface contact groups have been determined. In the absence of electrochemical gating, these complexes behave as tunneling barriers, with conductance properties determined more by the strength of the electrode-molecule contact and the structure of the "linker" than the nature of the metal-ion or redox properties of the complex.
已经测定了一系列具有Ru(II)、Fe(II)和Co(II)金属离子以及三甲基甲硅烷基乙炔基（Me3SiC≡C-）或硫甲基（MeS-）表面接触基团的双-2,2':6',2″-三联吡啶配合物的单分子电导。在没有电化学门控的情况下，这些配合物表现为隧穿势垒，其电导特性更多地由电极-分子接触的强度和“连接体”的结构决定，而非配合物的金属离子性质或氧化还原性质。
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