Rhodium deposition onto a 4-mercaptopyridine SAM on Au(111)

被引：38
|
作者：
Manolova, M.
Kayser, M.
Kolb, D. M. [1 ]
Boyen, H. -G.
Ziemann, P.
Mayer, D.
Wirth, A.
机构：
[1] Univ Ulm, Inst Electrochem, D-89069 Ulm, Germany
[2] Univ Ulm, Inst Solid State Phys, D-89069 Ulm, Germany
[3] BASF AG, Elect Mat GmbH, D-67056 Ludwigshafen, Germany
来源：
ELECTROCHIMICA ACTA | 2007年 / 52卷 / 08期
关键词：
mercaptopyridine; rhodium; metallization; self-assembled monolayers; STM;
D O I：
10.1016/j.electacta.2006.08.038
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The application of a recently developed method for the deposition of Pd and Pt on top of a SAM, has been successfully extended to Rh, thus proving the versatility of the new concept. Experimental evidence from cyclic voltammetry, in situ STM and ex situ X-ray photoemission spectroscopy is presented for the deposition of monoatomic high rhodium islands onto a 4-mercaptopyridine self-assembled monolayer on a Au(1 1 1) electrode. By repetitive complexation of the Rh ions to the ring-nitrogen and reduction in a Rh-ion free solution, an almost completely covered SAM is obtained. The consequences of making contacts for molecular electronics are briefly discussed. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2740 / 2745
页数：6
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