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January 2020

Huiwen Ji: Harnessing structural complexity for the design of new battery materials

January 30 @ 5:00 pm - 6:00 pm
Chapman Hall, Room 125 Chapel Hill, NC 27599 United States + Google Map

Harnessing structural complexity for the design of new battery materials Abstract The facile transport of alkali ions in inorganic crystalline materials is a prerequisite for the many electrochemical processes in rechargeable batteries, the production of which is now being rapidly scaled up to electrify vehicles and even enable grid-scale energy storage. Achieving fast ion transport kinetics in electrode materials requires an optimized crystal structure with favorable short-range atomic arrangements, which are, in the meantime, extensively connected in the long range.…

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February 2020

Symone Alexander: Living systems as design guides for tunable response and ultrafast motion

February 3 @ 4:00 pm - 5:00 pm
Chapman Hall, Room 125 Chapel Hill, NC 27599 United States

Living systems as design guides for tunable response and ultrafast motion Abstract From nanoscale to macroscale architectures, structured polymeric materials connect disciplines of physics, biology, and engineering and serve as a foundation for understanding the complex interactions leading to motion. As an NSF graduate research fellow, Dr. Alexander utilized transport phenomena in pinecones as bio-inspiration to design stimuli-responsive composites. Pinecones change shape in response to hydration using a bilayer structure composed of active and passive layers. To mimic this behavior,…

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Alex Chortos: Bioinspired electromechanical sensors and actuators for future prosthetics and haptics

February 6 @ 4:00 pm - 5:00 pm
Chapman Hall, Room 125 Chapel Hill, NC 27599 United States + Google Map

Bioinspired electromechanical sensors and actuators for future prosthetics and haptics Abstract Integrating electronics with the body requires the development of electronic devices that take on characteristics of biological systems, such as softness and 3D form factors. 3D printing enables scalable fabrication and versatile prototyping of different 3D formats for voltage-controlled soft actuators for future applications in wearable devices to stimulate the skin. While haptic devices stimulate human skin, replacing the functionality of human skin could enable new functionality in prosthetic…

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Katherine Mazzio: Synthetic manipulation of hybrid organic/inorganic materials for energy conversion and storage

February 10 @ 4:00 pm - 5:00 pm
Chapman Hall, Room 125 Chapel Hill, NC 27599 United States + Google Map

Synthetic manipulation of hybrid organic/inorganic materials for energy conversion and storage Abstract: The development of functional hybrid materials based on inorganic colloidal nanoparticles is of great interest for the next generation of energy conversion and storage devices due to the ability to readily tune their physicochemical properties and their potential to replace many traditional bulk materials. The material properties in these colloidal systems can be manipulated by controlling their composition, size, morphology, and surface chemistry. Our efforts focus on directing…

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Colloquium Series: Michael Irwin (Hunt Perovskite Technologies, LLC)

February 12 @ 1:00 pm - 2:00 pm

Join us for another event in the 2019-2020 Colloquium Series as APS welcomes Michael Irwin, PhD. to present on his recent research. Michael D. Irwin received a BA in Chemistry (2003) from Texas A&M and PhD in Inorganic Chemistry from Northwestern University (2009). Dr. Irwin currently holds 26 issued US patents and over 30 issued international patents, and has 18 publications, including one with over 1300 citations. Dr. Irwin is currently CTO of Hunt Perovskite Technologies where he focuses on…

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Meng Shen: Tuning Electrostatic Interactions in Soft Materials Beyond the Mean Field Theory

February 13 @ 4:00 pm - 5:00 pm
Chapman Hall, Room 125 Chapel Hill, NC 27599 United States + Google Map

Tuning Electrostatic Interactions in Soft Materials Beyond the Mean Field Theory Electrostatic interactions provide tunability for the properties of soft materials in various industries and daily life, such as the dispersion of charged colloids in paints, the self-organization of liquid droplets in drug emulsions and phase separation in cells. Despite long-term usage of electrostatics in controlling the soft material properties, recent experimental observations of attractive interactions between like charges and between neutral droplets keep challenging the previously accepted classical theoretical…

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Colloquium Series: Gordon Wetzstein (Stanford University)

February 18 @ 4:00 pm - 5:00 pm

Join us for another event in the 2019-2020 Colloquium Series as APS welcomes Gordon Wetzstein, PhD. to present on his recent research. Gordon Wetzstein is an Assistant Professor of Electrical Engineering and, by courtesy, of Computer Science at Stanford University. He is the leader of the Stanford Computational Imaging Lab and a faculty co-director of the Stanford Center for Image Systems Engineering. At the intersection of computer graphics, machine vision, optics, scientific computing, and applied vision science, Prof. Wetzstein's research…

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Wubin Bai: Transient Materials and Bioelectronics for Advanced Healthcare

February 20 @ 4:00 pm - 5:00 pm
Chapman Hall, Room 125 Chapel Hill, NC 27599 United States + Google Map

Transient Materials and Bioelectronics for Advanced Healthcare Electronic systems have been serving as technological underpinnings that support most aspects of our lives, ranging from healthcare, energy, to artificial intelligence. Any advancement that can push the fundamental boundary of electronic systems will cascade a revolutionary effect on a significant collection of major industries, especially healthcare and automation. By harnessing the unique properties of soft materials and nanomaterials, next-generation electronic systems will integrate intelligently with living organisms, soft robotics, and other dynamic…

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Colloquium Series: Rebecca Schulman (Johns Hopkins University)

February 25 @ 4:00 pm - 5:30 pm

Join us for another event in the 2019-2020 Colloquium Series as APS welcomes Rebecca Schulman, PhD. to present on her recent research. Dr. Schulman, associate professor in the Department of Chemical and Biomolecular Engineering at Johns Hopkins University, is an expert in developing programmable, active devices that self-assemble from DNA. Her group focuses on molecular electronic devices and tools for biological and biophysical research.

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March 2020

Colloquium Series: Natalie Stingelin (Georgia Tech)

March 9

Join us for another event in the 2019-2020 Colloquium Series as APS welcomes Natalie Stingelin, PhD. to present on her recent research. Dr. Stingelin focuses her research on the broad field of organic functional materials, including organic electronics; multifunctional inorganic/organic hybrids; smart, advanced optical systems based on organic matter; and bioelectronics. Associate Editor of the Journal of Materials Chemistry, Stingelin has published more than 130 papers and 6 issued patents. She is a co-investigator of the newly established EPSRC Centre…

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