Overview
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ABSTRACT
Surface functionalization with thin or ultra-thin organic layers is of fundamental importance to design materials with tailored properties or with operating functions. The robustness of the interface is crucial for developing practical applications. In this context, the chemisorption methods display superior feature. Among them, the reductive grafting of aryldiazonium salts is an attractive method but suffers from the difficulty to control the grafting of ultrathin layers. After a description highlighting advantages and drawbacks of the diazonium grafting method, we will present an innovative and versatile ?diazonium? approach using pre-organized scaffold, calix[4]arene. This leads to the formation of highly robust and densely-packed monolayers on a large range of materials. Further, the introduction of functional objects can be performed with a fine spatial control at the molecular scale through adequate decoration of the calixarene platform.
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Read the articleAUTHORS
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Corinne LAGROST: CNRS Research Associate - Doctorate in Chemistry from Paris-Diderot University - Institut des Sciences Chimiques de Rennes, UMR Université de Rennes 1 and CNRS n° 6226, Rennes, France
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Alice MATTIUZZI: Sponsor of the FIRST Spin-off "MONOCAL" project - Doctor of Chemical Sciences - Service de Chimie et physico-chimie organique, Laboratoire de Chimie organique, Université libre de Bruxelles, Brussels, Belgium
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Ivans JABIN: Professor - Service de Chimie et physico-chimie organiques, Laboratoire de Chimie Organique, Université Libre de Bruxelles, Brussels, Belgium
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Philippe HAPIOT: Research Director, CNRS - Doctorate in Chemistry from Paris-Diderot University - Institut des Sciences Chimiques de Rennes, UMR Université de Rennes 1 and CNRS n° 6226, Rennes, France
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Olivia REINAUD: Professor - Laboratory of Pharmacological and Toxicological Chemistry and Biochemistry, UMR Université Paris Descartes and CNRS no. 8601, Paris, France
INTRODUCTION
Area: Surface coating
Degree of technology diffusion: Emergence | Growth | Maturity
Technologies involved: Surface functionalization by reduction of aryldiazonium salts
Applications: Analysis, micro- and nano-mechanics, micro-electronics, energy, biotechnologies...
Main French players :
Competence centers: CNRS-University joint research units (Rennes, Paris-Diderot, Angers, Bordeaux), CEA Saclay
Manufacturers: Cabot Corp, Alchimer, Angiogene, Sinomed
Other international players: University of Aarhus (Denmark), Université du Québec à Montréal (Canada), University of Alberta (Canada), University of Canterbury (New Zealand)
Contact : [email protected] , [email protected]
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KEYWORDS
environment | health | | chemisorption | ultrathin layers
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Unit operations. Chemical reaction engineering
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Molecular functionalization of surfaces by reduction of aryldiazonium salts
Context
Bibliography
Patents
Materials coated with calixarenes, European Patent EP 12164038 (2012).
Directory
Industrial companies
Cabot Corporation http://www.cabot-corp.com
Alchemist http://www.alchimer.com /
Sinomed http://www.sinomedical.net/
...
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