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ZhangDayu Lectureship (XVI): Abiological Self-Assembly: Predesigned Metallacycles and Metallacages viaCoordination

Time:Decmber 11, 20149:30 AM

Location:Conference Hall of Biotechnology Building

Reporter:Prof. Peter J. Stang

Department of Chemistry, The University of Utah

Biography:

Prof. Peter J. Stang is an internationally recognized scientist in chemistry. He is a fellow of the U.S. National Academy of Sciences, the American Academy of Arts and Sciences, the American Chemical Society (ACS),the American Association for Advancement of Science, a foreign member of the Chinese Academy of Sciences and the Hungarian Academy of Sciences. He has received National Medal of Science, F. A. Cotton Medal for Excellence in Chemical Research, Priestly Medal,Linus Pauling Medal from ACS, FredBasolo Medal for Outstanding Research in Inorganic Chemistry. Now he is the Distinguished Professor of Chemistry in the University of Utah. He is also the senior fellow of the Loker Hydrocarbon Research Institute in the University of Southern California, the chief editor of the Journal of the American Chemical Society (JACS).

Prof. Peter J. Stang mainly engaged in the research of supramolecular self-assembly. He has made the significant contribution to the coordination chemistry, organic metal and iodine chemistry. He is one of the best-known scientists in the field of the moleculeconstruction and molecular assembly. So far he has more than 500 scientific publications and a number of patents which produced important influence on the field of chemistry.

Abstract:

The use of just two types of building blocks, linear and angular, in conjunction with symmetry considerations allows the rational design of a wide range of metallocyclic polygons and polyhedra via the coordination motif. We have used this approach to self-assemble a variety of 2D supramolecular polygons such as triangles, rectangles, squares, hexagons, etc. as well as a number of 3D supramolecularpolyhedra: truncated tetrahedra, triginal prisms, cubooctahedra and dodecahedra. More recently we have functionalized these rigid supramolecular scaffolds with differentelectroactive, host-guest, dendritic, and hydrophobic/hydrophilic moieties and have investigated the properties of these multifunctionalizedsupramolecular species. Additionally, we have begun to explore the self-assembly of 2D polygons and 3D polyhedra on a variety of surfaces with the aim of developing their potential to be used in device settings. These novel, supramolecular ensembles are characterized by physical and spectral means. The design strategy, formation, characterization and potential uses of these novel metallocyclic assemblies will be discussed, along with our recent results in crystal engineering.

Contacts:Junxia Ding (Group 1101, 9930)

 

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