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美国康涅狄格大学何杰教授做客第346期化苑讲坛

作者:  发布:2018-05-18 08:54:36  点击量:

报告题目:Polymer in Catalysis: Supporting Character but beyond as the Support

何杰 教授

报告时间:2018521日(周一)下午2:30

报告地点:东三楼321会议室

:朱锦涛 教授

报告人简介:

何杰,助理教授。 2010年在加拿大舍布鲁克大学(University of Sherbrooke)获得化学博士学位,随后在美国马里兰大学(University of Maryland)从事博士后研究工作,2014年受聘美国康涅狄格大学(University of Connecticut)化学系助理教授(Assistant Professor)。研究兴趣包括功能高分子材料和杂化材料的设计、合成和应用基础。近年在国际著名期刊已发表相关论文70余篇,这些研究论文已被SCI引用>2500次。曾获AAUP青年研究奖(2018),康涅狄格大学优秀研究奖(2015),魁北克优秀国际留学生奖学金(2009-2010),优秀自费留学生奖学金(2010),并获得加拿大研究生最高奖之一的总督金质奖章(Governor General of Canada's Academic Gold Medal)。

报告简介:

Loading metal ions and nanocatalysts on polymer supports to produce “soluble” catalysts has long been used in catalysis. Harnessing synergies at the interface of polymers and inorganic catalytic components is, however, still challenging. Our group works on developing new synthetic methodologies of hybrid polymer/inorganic materials (metal ions and nanoparticles) with well-defined chemical compositions, nanostructures and synergetic functionalities. We seek to understand the role of polymers in tuning the interface of hybrid materials in order to control the catalytic properties of inorganic materials. My talk will show our recent effort on, i) the development of new synthetic methods to prepare polymer-tethered nanoparticles and explore the role of polymer tethers in the self-assembly of nanoparticles in solution and solid states; and ii) control over the electronic properties and accessibility of nanoparticles or metal ions that are incorporated in polymer frameworks. I will introduce the concept of polymer-tethered nanoparticles and the application of hybrid building blocks to prepare highly crystalline mesoporous oxides. The add-on functionality of metal nanoparticles to hybrid materials will be deliberated in the context of photocatalysis. The incorporation of metal ions within polymeric frameworks as functional metallopolymers to mimic natural metalloenzymes will be discussed at the end.

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