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SUMMARY:Molecular Metallurgy of Gold Clusters
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20211109T160000
UID:2026-05-20-14-36-56@natsci.colostate.edu
DTSTAMP:20260520T143656
Description:Research Seminar:\n\nUnderstanding the physical and chemical be
 havior of metals is paramount for their development into materials. The fr
 ontier of metallurgical research exists at the nanoscale\, specifically in
  the size regime of 1-3 nm where species known as atomically precise clust
 ers predominate. These can be viewed as soluble metallic crystallites with
  exact formula protected by a ligand monolayer (e.g. Au25(SR)18). Due to q
 uantum size effects and their large size relative to classical coordinatio
 n complexes\, metal clusters exhibit properties reminiscent of both molecu
 lar and bulk systems yet cannot be accurately defined by models from eithe
 r extreme. Within the past two decades thiolate-protected gold clusters ha
 ve begun to demystify this unique chemistry\, due in large part to their f
 acile synthesis\, ability to form single crystals\, and overall stability.
  There is now a vast library of gold clusters to draw from\, ranging from 
 dozens to hundreds of metal atoms. This talk will explore the recent advan
 cements we have made in understanding gold cluster alloys as well as clust
 er surface chemistry.\n\n&nbsp\; 4:00 pm
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