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【学术讲座】From molecules to macromolecules to functional materials: Controlling structure and properties through synthesis
2014-09-28 10:44     (点击: )

 

报告时间:2014929(星期一)10:15-11:30

 

报告地点:龙赛理科楼南楼210报告厅

 

报告人:Prof. Robert B. Grubbs

 

 

Department of Chemistry, Stony Brook University, Stony Brook NY

Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton NY

 

报告摘要:

 

The control over molecular structure enabled by modern synthetic techniques has led to a new level of control over the assembly of molecules and macromolecules in functional materials. We have designed and synthesized several classes of block and star-block copolymers with stimulus-responsive components and metal-binding sites. These polymers form assemblies with properties that are dependent upon specific conditions. For example, we have investigated a range of synthetic systems that are designed to assemble in water into smaller micellar aggregates at low temperatures and larger vesicles at higher temperatures. A number of factors, including block size and extent of interblock interactions, appear to be important in controlling transformation rate. The design of these and other systems, including metal-functionalized polymers and conjugated polymers for photovoltaic applications, and our efforts to better understand the behavior of the resulting materials will be discussed.

 

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