Title：Oxo Metal Clusters in WaterSplitting and Bond Activations

Speaker：Prof.T.Don Tilley，University of California, Berkeley andLawrence Berkeley National Laboratory

Time：10:00-11:30，Wednesday, May 8th, 2024

Host：Prof. Licheng Sun, Chair Professor of School of Science& Director of CAP, Westlake University Westlake University

Address：Meeting room 201, Building E10, Yungu Campus

Prof.T.Don Tilley，

University of California, Berkeley andLawrence Berkeley National Laboratory

Biography：

Dr. Don Tilley is a professor of chemistry at theUniversity of California at Berkeley and a faculty senior scientistat the Lawrence Berkeley National Laboratory. Tilley's researchgroup conducts exploratory synthetic, structural, and reactivitystudies of inorganic and organometallic systems. He was the firstto isolate and study silylene complexes and discover anunexpected mechanism for the hydrosilation of olefins involvingdirect Si-H additions. His contributions to the development oftailored, multi-componentinorganic materials via moleculadesign offer control over composition and nanostructure andyielded heterogeneous catalysts with improved performance. Hehas received many awards and honors, such as Alexander vonHumboldt Award for Senior Scientists, felow of the AmericanAssociation for the Advancement of Science, ACS Award inOrganometallic Chemistry. fellow of American Academy of Artsand Sciences and so on.

Abstract：

Transition-metal oxo cubane clusters representintriguing model systems and catalyst design motifs for thedevelopment of new water-splitting catalysts based on the mostabundant metals. The study of model, high-valent molecularspecies can provide key insights into the mechanism of wateroxidation, and thereby help bridge the gap between solid-stateand molecular systems to allow for more rationaldesign ofcatalysts. This presentation will describe high-valent tetracobaltoxo cubane clusters and the experimental determination of awell-defined mechanism for cubane-catalyzed oxygen evolutionvia water oxidation. The systematic variation of electronicproperties for these clusters, and strategies for their stabilization,will be described. The synthesis and study of clusters doped byanother transition metal, and linked bis-cubane complexes, arefurther topics to be discussed.

Contact:

Minheizi Shen，Email：shenminheizi@westlake.edu.cn