Chemistry Seminary

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Friday, April 6, 2018, 3 pm

This is a past event.

Nanoarchitectured Design of MOFs-based Catalysts

Ge Wang
Professor, Department of Materials, Physics, and Chemistry
University of Science and Technology Beijing

Wang’s research interests include the composition and architectural design of a series of functional composites, with the goal of improving the efficiency of energy utilization and resource consumption.

She earned her PhD from Michigan Tech in 2002, and in 2016, won the Natural Science Award first prize for Outstanding Achievements in scientific research at a university. In 2012, she accepted a special chaired professorship endowed by the Chang Jiang Scholars Program of the Ministry of Education and in 2013; she was elected to enter the National Hundred, Thousand and Ten Thousand Talents Projects, and was awarded the title of National Young Expert with Outstanding Contributions. In 2016, she won the Natural Science Award first prize for Outstanding Achievements in scientific research at a university.

Abstract

Metal-organic frameworks (MOFs) have attracted great attention as a new type of prospective compound with various merits and functionalities, such as high-surface area, intrinsic porosity with tunable pore size, and versatile host-guest chemistries. By finely tuning various structure–property relationships, a series of nanoarchitectured MOFs-based catalysts have been designed. Among them, Au@UiO-66-NH2 is obtained through an adsorption-reduction method, with the highly dispersed Au nanoparticles being stabilized in the nanopores. Heterocycle-grafted MIL-125-NH2 are produced using a post-synthetic strategy, which significantly enhanced its absorption of visible light. The means to integrate MOFs with other functional materials and produce low dimensional ultra-thin MOFs are also introduced. The obtained MOFs-based catalysts exhibit excellent performance in thermo- and photo-catalytic aerobic oxidation, as well as electro-catalytic oxygen evolution reaction (OER).

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