Single-Molecule Conductance Studies of Organometallic Complexes Bearing 3-Thienyl Contacting Groups
作者:Sören Bock、Oday A. Al-Owaedi、Samantha G. Eaves、David C. Milan、Mario Lemmer、Brian W. Skelton、Henrry M. Osorio、Richard J. Nichols、Simon J. Higgins、Pilar Cea、Nicholas J. Long、Tim Albrecht、Santiago Martín、Colin J. Lambert、Paul J. Low
DOI:10.1002/chem.201604565
日期:2017.2.10
The compounds and complexes 1,4‐C6H4(C≡C‐cyclo‐3‐C4H3S)2 (2), trans‐[Pt(C≡C‐cyclo‐3‐C4H3S)2(PEt3)2] (3), trans‐[Ru(C≡C‐cyclo‐3‐C4H3S)2(dppe)2] (4; dppe=1,2‐bis(diphenylphosphino)ethane) and trans‐[Ru(C≡C‐cyclo‐3‐C4H3S)2P(OEt)3}4] (5) featuring the 3‐thienyl moiety as a surface contacting group for gold electrodes have been prepared, crystallographically characterised in the case of 3–5 and studied
化合物和配合物 1,4-C 6 H 4 (C≡C- cyclo ‐3-C 4 H 3 S) 2 ( 2 ), trans -[Pt(C≡C- cyclo ‐3-C 4 H 3 S) ) 2 (PEt 3 ) 2 ] ( 3 ),反式-[Ru(C≡C-环-3-C 4 H 3 S) 2 (dppe) 2 ] ( 4 ; dppe=1,2-双(二苯基膦)乙烷)和反式‐[Ru(C≡C- cyclo ‐3-C 4 H 3 S) 2 P(OEt) 3 } 4 ] ( 5 ) 以 3-噻吩基部分作为金电极的表面接触基团,具有已制备,在3 – 5的情况下进行了晶体学表征,并通过使用扫描隧道显微镜断裂结 (STM-BJ) 和 STM- I ( s ) 方法(测量隧道电流 ( I ) 作为距离 ( s )的函数)。这些化合物表现出相似的电导曲线,其中低电导特征更容易通过 STM- I ( s ) 方法识别,而较高特征则通过