Hydrogen-bonded clusters of 1,1′-ferrocenedicarboxylic acid on Au(111) are initially formed in solution

被引:15
作者
Quardokus, Rebecca C. [1 ]
Wasio, Natalie A. [1 ]
Brown, Ryan D. [1 ]
Christie, John A. [1 ]
Henderson, Kenneth W. [1 ]
Forrest, Ryan P. [1 ]
Lent, Craig S. [2 ]
Corcelli, Steven A. [1 ]
Kandel, S. Alex [1 ]
机构
[1] Univ Notre Dame, Dept Chem & Biochem, Notre Dame, IN 46556 USA
[2] Univ Notre Dame, Dept Elect Engn, Notre Dame, IN 46556 USA
基金
美国国家科学基金会;
关键词
MASS-SPECTROMETRIC ANALYSIS; MOLECULAR ASSOCIATION; ADIABATIC EXPANSION; CARBOXYLIC-ACIDS; TETROLIC ACID; LIQUID JETS; CRYSTAL; SURFACES; DIMER; POLYMORPHISM;
D O I
10.1063/1.4909517
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Low-temperature scanning tunneling microscopy is used to observe self-assembled structures of ferrocenedicarboxylic acid (Fc(COOH)(2)) on the Au(111) surface. The surface is prepared by pulse-deposition of Fc(COOH)(2) dissolved in methanol, and the solvent is evaporated before imaging. While the rows of hydrogen-bonded dimers that are common for carboxylic acid species are observed, the majority of adsorbed Fc(COOH)(2) is instead found in six-molecule clusters with a well-defined and chiral geometry. The coverage and distribution of these clusters are consistent with a random sequential adsorption model, showing that solution-phase species are determinative of adsorbate distribution for this system under these reaction conditions. (C) 2015 AIP Publishing LLC.
引用
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页数:7
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