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DTSTART;TZID=America/Los_Angeles:20201202T163000
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SUMMARY:Chem 278: Dr. Evan Doud
DESCRIPTION:“Beyond Traditional Superatom Ligands and Cores” \n Abstract: As technological development continues to advance at a rapid pace\, there is an increasing need for next-generation materials. There are several fundamental challenges associated with developing these novel materials\, including understanding the nature of the electronic contacts and tuning the specific properties of a material. In the context of novel ligands and core compositions of superatoms\, this talk will first describe how Near Edge X-ray Absorption Fine Structure (NEXAFS) and X-ray Photoelectron Spectroscopy (XPS) coupled with Density Functional Theory (DFT) calculations were used to determine the geometry and structure of N-heterocyclic carbenes (NHCs) on a Au(111) surface. Followed by a demonstration of how a novel in situ reduction technique was used to probe the conductance of NHCs on the single molecule level using the Scanning Tunneling Microscopy – Break Junction (STM-BJ) technique. Finally\, the synthesis of nickel phosphinidene superatoms from the uncommon organocyclophosphine precursor will be discussed
URL:https://www.chemistry.ucla.edu/seminars/chem-278-dr-evan-doud/
CATEGORIES:Inorganic Chemistry,Seminars
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