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DTSTAMP:20260412T174544
DTSTART:20110928T113000
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DTEND:20110928T130000
URL:https://murmitoyen.com/events/vanille/udem/detail/68525
LOCATION:Université de Montréal - Pavillon Roger-Gaudry\, 2900\, chemin d
 e la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:Conférence CRMAA avec le professeur Paul Weiss (UCLA)
DESCRIPTION:Titre : Designing\, Measuring and Controlling Molecular and Sup
 ramolecular Devices.Cette conférence sera prononcée par le professeur 
 Paul Weiss du California NanoSystems Institute situé au département de c
 himie de l'University of California at Los Angeles. Elle est commanditée 
 par le Centre de recherche sur les materiaux auto-assemblés (CRMAA) et s
 era donnée en anglais.Résumé : We use molecular design\, tailored synt
 heses\, intermolecular interactions\, and selective chemistry to direct mo
 lecules into desired positions to create nanostructures\, to connect funct
 ional molecules to the outside world\, and to serve as test structures for
  measuring single or bundled molecules. Interactions within and between mo
 lecules can be designed\, directed\, measured\, understood\, and exploited
  at unprecedented scales. Such interactions can be used to form precise mo
 lecular assemblies\, nanostructures\, and patterns\, and to control and to
  stabilize function. We selectively test hypothesized mechanisms by varyin
 g molecular design\, chemical environment\, and measurement conditions to 
 enable or to disable function and control using predictive and testable me
 ans. Critical to understanding these variations has been developing the me
 ans to make tens to hundreds of thousands of independent single-molecule m
 easurements in order to develop sufficiently significant statistical distr
 ibutions\, while retaining the heterogeneity inherent in the measurements.
  We measure the electronic coupling of the molecules and substrates by mea
 suring the polarizabilities of the connected functional molecules. The nex
 t step in such devices is to learn to assemble and to operate molecules to
 gether\, both cooperatively and hierarchically\, in analogy to biological 
 muscles. We discuss our initial efforts in this area\, in which we find bo
 th interferences and cooperativity.Information supplémentaire 
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