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SUMMARY:Design of Molecular Electrocatalysts for the Production and Oxidati
 on of Hydrogen
LOCATION:Chemistry A101
TZID:America/Denver
DTSTART:20180301T000000
UID:2026-04-26-11-19-47@natsci.colostate.edu
DTSTAMP:20260426T111947
Description:Solar and wind are carbon-neutral\, sustainable energy sources\
 , but because they are intermittent\, reliable energy storage is needed. C
 atalysts that efficiently interconvert between electrical energy and chemi
 cal bonds (fuels) are needed for sustainable\, secure energy. Electrocatal
 ysts based on inexpensive\, earth-abundant metals (“Cheap Metals for Nob
 le Tasks”) are needed. Ni complexes with “P2N2” ligands have been st
 udied in our lab\; a key feature of these diphosphine ligands is pendant a
 mines that function as proton relays\, facilitating proton mobility. The c
 rucial role of controlled structural dynamics is recognized for many enzym
 es\, but is seldom used in synthetic catalysts. Appending long alkyl chain
 s in the outer coordination sphere of the catalyst leads to slower structu
 ral dynamics of the ligand\, with the turnover frequency increasing by ord
 ers of magnitude as the conformational dynamics become slower. Controlling
  all of the system components reverses the trade-off normally encountered 
 between rates and overpotentials\, providing design principles for multi-e
 lectron\, multi-proton reactions.\n\n&nbsp\;\n\nAbout the Speaker:\n\nMorr
 is Bullock is a Laboratory Fellow at Pacific Northwest National Laboratory
 \, and is the Director of the Center for Molecular Electrocatalysis\, an E
 nergy Frontier Research Center. He received a B.S. from the University of 
 North Carolina at Chapel Hill in 1979\, where he did undergraduate researc
 h with Prof. Tom Meyer. He received a Ph.D. from the University of Wiscons
 in\, working with Prof. Chuck Casey\, and was a postdoc at Colorado State 
 University with Prof. Jack Norton. He was at Brookhaven National Laborator
 y from 1985-2006. He is a Fellow of the AAAS\, the Royal Society of Chemis
 try\, the American Chemical Society\, and the Washington State Academy of 
 Sciences. He received the award in Homogeneous Catalysis from the Royal So
 ciety of Chemistry in 2013. In 2015\, he and the Hydrogen Catalysis team a
 t PNNL were honored with the ACS Catalysis Lectureship for the Advancement
  of Catalytic Science. 4:00 pm
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