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UID:20250820T130234EDT-9872m9cnOS@132.216.98.100
DTSTAMP:20250820T170234Z
DESCRIPTION:Abstract:\n\nPlasmonic nanostructures have long been appreciate
 d for their ability to harvest light and transform it into other forms\, i
 ncluding thermal energy and chemical energy (through the production of hig
 h energy charge carriers\, e.g. hot electrons and hot holes). Both hot cha
 rge carriers and elevated temperatures at nanoparticle surfaces can increa
 se the efficiency of light-driven electrochemical reactions\, yet untangli
 ng the relative contributions of these two effects is experimentally chall
 enging. This talk will describe our work to isolate local heating effects 
 from hot carrier effects as well as provide quantitative values for hot ca
 rrier energies using scanning electrochemical microscopy (SECM) on gold na
 noparticles at semiconductor interfaces. We generate real temperature valu
 es as well as effective hot carrier temperatures\, allowing us to understa
 nd how plasmon excitation promotes reactions on plasmon substrates.\n\nBio
 :\n\nKatherine (Kallie) Willets is the Robert L. Smith Early Career Profes
 sor in the Department of Chemistry at Temple University. She received a B.
 A. in Chemistry from Dartmouth College in 1999\, performing undergraduate 
 research in the labs of both Charles L. Braun and Jane E.G. Lipson. After 
 graduation\, she moved to Stanford University to pursue her Ph.D. in the l
 ab of W.E. Moerner\, receiving her degree in Physical Chemistry in 2005. F
 rom 2005-2007\, she conducted postdoctoral research with Richard Van Duyne
  at Northwestern University before beginning her independent faculty caree
 r at the University of Texas at Austin in 2007. In 2015\, she moved to Tem
 ple University in Philadelphia\, where she runs a research lab focusing on
  understanding heterogeneity at nanoscale interfaces. She has been recogni
 zed with an Air Force Office of Scientific Research Young Investigator Awa
 rd and a Department of Energy Early Career Award and served as a member of
  the Defense Science Study Group. In addition to her research efforts\, Wi
 llets has received multiple teaching awards and currently runs several pro
 grams aimed at strengthening the climate within Chemistry to promote a mor
 e inclusive\, welcoming and equitable environment.\n
DTSTART:20191112T180000Z
DTEND:20191112T193000Z
LOCATION:Room 10\, Maass Chemistry Building\, CA\, QC\, Montreal\, H3A 0B8\
 , 801 rue Sherbrooke Ouest
SUMMARY:CANCELLED: Chemical Society Seminar: Katherine Willets - Plasmon-dr
 iven photoelectrochemistry: hot electrons\, hot holes\, and hot metal
URL:/chemistry/channels/event/cancelled-chemical-socie
 ty-seminar-katherine-willets-plasmon-driven-photoelectrochemistry-hot-2996
 04
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