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Reference type: Journal
Authors: Chailapakul O, Crooks RM
Article Title: Synthesis and characterization of simple self-assembling, nanoporous monolayer assemblies - A new strategy for molecular recognition.
Publication date: 1993
Journal: Langmuir
Volume: 9
Issue: (4)
Page numbers: 884-888.
DOI: 10.1021/la00028a002

Abstract: Composite monolayer films spontaneously adsorb onto the surface of Au from an ethanolic mixture of two mercaptans to form a nanoporous surface. The monolayers consist of an electron- transfer-retarding n-alkanethiol framework, which passivates the Au surface, and a much shorter aromatic mercaptan, which induces molecular-sized defects within the passivating framework. Electrochemical experiments indicate that the chemical nature of the template and the template/framework ratio in the deposition solution control the size, number, and chemical characteristics of the defects. For example, 4- hydroxythiophenol/1-hexadecanethiol mixed monolayers yield monolayer assemblies that admit Ru(NH3)63+ probe molecules but not Fe(CN)63-


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