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UID:20251107T094122EST-4448b4HT2j@132.216.98.100
DTSTAMP:20251107T144122Z
DESCRIPTION:Since our community began focusing on the “bottom-up” synthesis
  of nanoparticles and nanomaterials\, our synthetic control has developed 
 from control of the size of spherical\, single component nanoparticles\, t
 o materials of increasing compositional complexity and structural design. 
 These added design components lead to heightened functionality. In the Mac
 donald research laboratory\, we allow a desired function\, such as electro
 catalytic reactivity or photocatalytic activity\, to inspire new designs o
 f nanoparticles. Our journey to achieve these goals leads to making fundam
 ental discoveries about surface chemistry\, crystalline order and reactivi
 ty. Our efforts have focused lately on a new binding mode of thiols on nan
 oparticle surfaces\, that makes particles less prone to oxidation or ligan
 d loss. This binding type could be very useful for photocatalytic nanopart
 icle systems and biological probes. In a second project\, we study the for
 mation mechanism\, the NIR luminescence and its origin in wurtzite CuInS2\
 , a form only found in nanocrystals. Along the way we discovered an unrepo
 rted type of crystalline order in mixed cation sulfides such as CuInS2 wit
 h sweeping implications for opto-electronic and thermo-electronic properti
 es for these materials. In the last project presented here\, we have devel
 oped petaled nanostructured cathodes of MoS2 that outperform Pt in Quantum
  Dot Sensitized Solar Cells.\n
DTSTART:20151201T180000Z
DTEND:20151201T193000Z
LOCATION:Room 10\, Maass Chemistry Building\, CA\, QC\, Montreal\, H3A 0B8\
 , 801 rue Sherbrooke Ouest
SUMMARY:Chemical Society Seminar: Dr.Janet Macdonald - Nanostructures of Cu
  and Mo Sulfides: New chemistry from the surface to the core
URL:/chemistry/channels/event/chemical-society-seminar
 -drjanet-macdonald-nanostructures-cu-and-mo-sulfides-new-chemistry-surface
 -257042
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