Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices.

Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices. Research Abstract Details 

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Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices. Abstract Text:

Chun Lin,Cherie R Kagan,

Layer-by-layer self-assembly of metal-metal bonded supramolecules is demonstrated and utilized to fabricate lateral nanoelectronic devices. Mercaptoethylpyridine is used to bind to Au substrates and to template the sequential assembly of alternating layers of redox active dirhodium complexes [Rh2(DAniF)2]2(O2CCH2CO2)2 (DAniF = N,N'-di-p-anisylformamidinate) and conjugated organic ligands trans-1,2-bis(4-pyridyl)ethylene. Optical spectroscopy and atomic force microscopy show that the structure and composition of these thin films are similar to those found in tightly packed single crystals. Electrochemical studies of these films grown on Au substrates reveal a reversible oxidation wave at approximately 406 mV, corresponding to the one electron oxidation of the Rh24+ center. This directed assembly technique has been used to fabricate lateral nano-electronic devices in which the supramolecules span the channels. Tailoring the chemistry of the templating ligand enables assembly on desired surfaces and engineering the chemistry of the supramolecules' dimetal units and coordinating ligands may tune the device characteristics.

Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices. Publishing Authors By Initials

C Lin,CR Kagan,

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Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of the American Chemical Society

VOLUME: 125

Page Numbers: 336-7

Journal Abbreviation: J. Am. Chem. Soc.

ISSN: 0002-7863

DAY: 15

MONTH: Jan

YEAR: 2003

Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices. Information

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LANGUAGE: eng

NlmUniqueID: 7503056

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Grant and Affiliation Information for Layer-by-layer growth of metal-metal bonded supramolecular thin films and its use in the fabrication of lateral nanoscale devices.

AFFILIATION: IBM T. J. Watson Research Center, P.O. Box 218, Route 134, Yorktown Heights, New York 10598, USA. chunlin@tamu.edu

Country: United States

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MEDLINETA: J Am Chem Soc

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