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Inorganic-Organic Co-Assembly as a Simple Route To Functional Nanostructured Materials: Nano Seminar Series

Seminar | November 13 | 2-3 p.m. | 390 Hearst Memorial Mining Bldg.

Speaker/Performer: Prof. Sarah Tolbert, UCLA, Chemistry Dept. / CNSI

Sponsor: Berkeley Nanosciences and Nanoengineering Institute

Block-copolymer templating of inorganic frameworks provides a powerful route to the production of periodic nanoporous materials from either sol-gel or nanoparticle building blocks. The periodicity provides mechanical robustness that allows the frameworks to withstand a broad range of chemical transformations with minimal changes in porosity.

In this talk, we examine a range of systems that exploit these templating strategies to produce periodic nanostructured materials. We first focus on the use of nanoporous inorganic frameworks to produce novel composite materials by filling the pores space with either optical or magnetic materials. We then consider the unique physical properties that can be observed in magnetic frameworks. We also examine chemical transformations of the frameworks to produce new semiconducting materials and look at applications of these new materials for energy storage.

Finally, we examine application of porous oxide based materials as electrochemical supercapacitors with a goal of developing design rules for optimizing both charge storage capacity and charge/discharge rates. In all cases, our goal is to create complex nanoscale architectures which can be used to tune the physical properties of composite materials.

Event Contact: nanoinstitute@lists.berkeley.edu, 510-643-6681