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PRODID:https://murmitoyen.com/events/vanille/udem/
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UID:69e1d67823950
DTSTAMP:20260417T024304
DTSTART:20121114T113000
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20121114T130000
URL:https://murmitoyen.com/events/vanille/udem/detail/138746
LOCATION:Université de Montréal - Pavillon J.-Armand-Bombardier\, 5155\, 
 chemin de la rampe \, Montréal\, QC\, Canada\, H3T 2B2
SUMMARY:Conférence du Professeur Daniel Leznoff (Simon Fraser)
DESCRIPTION:Titre : Cyanoaurate-Based Coordination Polymers as Advanced Fun
 ctional Materials.La conférence sera prononcée par le professeur Danie
 l Leznoff du Département de chimie de la Simon Fraser University. Elle se
 ra donnée en anglais. Résumé : The Leznoff group has been incorporatin
 g paramagnetic and diamagnetic metal centres and non-octahedral cyanometal
 lates into polymers\, targeting magnetic\, vapochromic\, birefringent\, lu
 minescent\, high dielectric\, negative- thermal expansion and other proper
 ties. In particular\, neglected linear d10 [M(CN)2]- building blocks (M=Au
 \,Ag) have been targeted to take advantage of attractive metallophilic int
 eractions to increase structural dimensionality. Several property-based vi
 gnettes from this work will be presented in this lecture. For example\, si
 mple 'mineral-like' cyanoaurate(I)-based polymers of the form M[Au(CN)2]2(
 H2O)x with unusual magnetic and vapochromic properties (M=Cu-Mn) will be p
 rofiled. The use of luminescent Zn[Au(CN)2]2 as an ammonia sensor and meth
 ods to prepare thin-films of this insoluble material will be discussed.  
 As a comparison with the linear [Au(CN)2]- unit\, coordination polymers wi
 th the square-planar d8 [Au(CN)4]- and [Au(CN)2X2]- (X= halides) building 
 blocks and their rare reductive elimination properties will also be descri
 bed.Information supplémentaire
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