Effects of Electrode-Molecule Binding and Junction Geometry on the Single-Molecule Conductance of bis-2,2′:6′,2"-Terpyridine-based Complexes

被引:25
作者
Davidson, Ross [1 ]
Al-Owaedi, Oday A. [2 ,3 ]
Milan, David C. [4 ]
Zeng, Qiang [5 ,6 ]
Tory, Joanne [5 ]
Hartl, Frantisek [5 ]
Higgins, Simon J. [4 ]
Nichols, Richard J. [4 ]
Lambert, Colin J. [2 ]
Low, Paul J. [7 ]
机构
[1] Univ Durham, Dept Chem, South Rd, Durham DH1 3LE, England
[2] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
[3] Babylon Univ, Women Fac Sci, Dept Laser Phys, Hillah, Iraq
[4] Univ Liverpool, Dept Chem, Crown St, Liverpool L69 7ZD, Merseyside, England
[5] Univ Reading, Dept Chem, Reading RG6 6AD, Berks, England
[6] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
[7] Univ Western Australia, Sch Chem & Biochem, 35 Stirling Highway, Perth, WA 6009, Australia
基金
英国工程与自然科学研究理事会;
关键词
TRANSITION-METAL-COMPLEXES; SELF-ASSEMBLED MONOLAYERS; SCANNING-TUNNELING-MICROSCOPY; LENGTH-DEPENDENT CONDUCTANCE; CHARGE-TRANSPORT; TRIMETHYLSILYLACETYLENE DERIVATIVES; RUTHENIUM(II) COMPLEXES; SPIN STATES; WIRES; GOLD;
D O I
10.1021/acs.inorgchem.5b02094
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
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 thioinethyl (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
引用
收藏
页码:2691 / 2700
页数:10
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