Adsorption of bifunctional organic disulfides on gold surfaces

Nuzzo, Ralph G.; Allara, David L.

doi:10.1021/ja00351a063

Cited by 2,220 publications

(1,649 citation statements)

References 1 publication

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“…[45][46][47][48] The crystals were made by dewetting a 20 nm thin film on a Si wafer by annealing in a nitrogen atmosphere. 37) This method leads to crystals with a ''fibre'' texture on the substrate, about 200 nm in diameter and spaced about 1 m apart.…”

Section: In-situ Thiolation Of Au Nanocrystalmentioning

confidence: 99%

Nanoparticle Structure by Coherent X-ray Diffraction

Robinson

2013

J. Phys. Soc. Jpn.

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This review examines the physical reasons why nanoparticles differ in structure from the bulk. Certain simple properties of nanoparticles are explained through these structural differences. A powerful method of measuring the three dimensional structure of nanoparticles, Coherent X-ray diffraction (CXD), is introduced. A key experiment is described that uses CXD to study the redistribution of strains on the surface of a Au nanocrystal. Some future perspectives are discussed in conclusion.

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Section: In-situ Thiolation Of Au Nanocrystalmentioning

confidence: 99%

Nanoparticle Structure by Coherent X-ray Diffraction

Robinson

2013

J. Phys. Soc. Jpn.

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“…The stability of the monolayers depends largely on the interaction between the molecules and the substrate for nonpolar molecules but lateral intermolecular interactions and solvation forces contribute almost equally when the molecules are strongly polar or electrostatically charged. SAMs based on chemical Au-S bonds were first reported in 1983 9 and immediately attracted enormous attention. Systematic studies of their surface structures, properties and functions [10][11][12][13][14][15][16][17][18] have been achieved for a number of molecular systems, driven by a wide range of potential applications.…”

Section: Qijin Chimentioning

confidence: 99%

Electrochemically controlled self-assembled monolayers characterized with molecular and sub-molecular resolution

Zhang

Welinder

Chi

et al. 2011

Phys. Chem. Chem. Phys.

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Self-assembled organization of functional molecules on solid surfaces has developed into a powerful and sophisticated tool for surface chemistry and nanotechnology. A number of reviews on the topic have been available since the mid 1990s. This perspective article aims to focus on recent development in the investigations of electronic structures and assembling dynamics of electrochemically controlled self-assembled monolayers (SAMs) of thiol containing molecules on gold surfaces. A brief introduction is first given and particularly illustrated by a Table summarizing the molecules studied, the surface lattice structures and the experimental operating conditions. This is followed by discussion of two major high-resolution experimental methods, scanning tunnelling microscopy (STM) and single-crystal electrochemistry. In Section 3, we briefly address choice of supporting electrolytes and substrate surfaces, and their effects on the SAM structures. Section 4 constitutes the major body of the article by offering some details of recent studies for the selected cases, including in situ monitoring of assembling dynamics, molecular electronic structures, and the key external factors determining the SAM packing. In Section 5, we give examples of what can be offered by theoretical computations for the detailed understanding of the SAM electronic structures revealed by STM images. A brief summary of the current applications of SAMs in wiring metalloproteins, design and fabrication of sensors, and single-molecule electronics is described in Section 6. In the final two sections (7 and 8), we discuss the current status in understanding of electronic structures and properties of SAMs in electrochemical environments and what could be expected for future perspectives.

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“…The self-assembly of sulfur-containing molecules was characterised by Nuzzo and Allara almost 20 years ago (Nuzzo and Allara, 1983). Disulfides, sulfides and thiols coordinate very strongly onto a variety of metals, e.g.…”

Section: Self-assembled Monolayers Onto Gold Surfaces: General Featuresmentioning

confidence: 99%

Carbon and gold electrodes as electrochemical transducers for DNA hybridisation sensors

Lucarelli

Marrazza

Turner

et al. 2004

Biosensors and Bioelectronics

374

204

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Genosensor technology relying on the use of carbon and gold electrodes is reviewed. The key steps of each analytical procedure, namely DNA-probe immobilisation, hybridisation, labelling and electrochemical investigation of the surface, are discussed in detail with separate sections devoted to label-free and newly emerging magnetic assays. Special emphasis has been given to protocols that have been used with real DNA samples.

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Adsorption of bifunctional organic disulfides on gold surfaces

Cited by 2,220 publications

References 1 publication

Nanoparticle Structure by Coherent X-ray Diffraction

Nanoparticle Structure by Coherent X-ray Diffraction

Electrochemically controlled self-assembled monolayers characterized with molecular and sub-molecular resolution

Carbon and gold electrodes as electrochemical transducers for DNA hybridisation sensors

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