The gold–sulfur interface at the nanoscale

Thiolate-protected gold surfaces and interfaces are archetypal systems in various fields of current research in nanoscience, materials science, inorganic chemistry and surface science. Examples include self-assembled monolayers of organic molecules on gold, passivated gold nanoclusters and molecule–...

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Bibliographic Details
Published in:Nature chemistry 2012-06, Vol.4 (6), p.443-455
Main Author: Häkkinen, Hannu
Format: Article
Language:English
Subjects:
639/638/542
639/925/357
Analytical Chemistry
Biochemistry
Catalysis
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Crystallography, X-Ray
Drug Delivery Systems
Gold
Gold - chemistry
Inorganic Chemistry
Interfaces
Models, Molecular
Nanoscience
Nanotechnology
Organic Chemistry
Physical Chemistry
review-article
Stereoisomerism
Sulfhydryl Compounds - chemistry
Sulfur
Sulfur - chemistry
Surface Properties
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Summary:Thiolate-protected gold surfaces and interfaces are archetypal systems in various fields of current research in nanoscience, materials science, inorganic chemistry and surface science. Examples include self-assembled monolayers of organic molecules on gold, passivated gold nanoclusters and molecule–gold junctions. This Review discusses recent experimental and theoretical breakthroughs that highlight common features of gold-sulfur bonding in these systems. Thiolate-protected gold surfaces and interfaces, relevant for self-assembled monolayers of organic molecules on gold, for passivated gold nanoclusters and for molecule–gold junctions, are archetypal systems in various fields of current nanoscience research, materials science, inorganic chemistry and surface science. Understanding this interface at the nanometre scale is essential for a wide range of potential applications for site-specific bioconjugate labelling and sensing, drug delivery and medical therapy, functionalization of gold surfaces for sensing, molecular recognition and molecular electronics, and gold nanoparticle catalysis. During the past five years, considerable experimental and theoretical advances have furthered our understanding of the molecular structure of the gold–sulfur interface in these systems. This Review discusses the recent progress from the viewpoint of theory and computations, with connections to relevant experiments.
ISSN:1755-4330
1755-4349
DOI:10.1038/nchem.1352