Dr. Douglas Shepherd, Arizona State University October 28, 2021 Continued advancements in biomedical optical microscopy and fluorescent labeling techniques have enabled multi-dimensional visualization of biology in action at the single-molecule level. For example, multiple large-scale efforts are currently underway to create nanoscale spatial maps of thousands of individual RNA and protein species in millions of Read More …
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The Materials Science of Sustainable Cement
Professor Claire White, Princeton University November 4, 2021 With the world facing a climate crisis due to increasing CO2 emissions, there is pressing need to develop and implement sustainable construction/engineering materials across the globe. Alkali-activated materials (AAMs) are one such sustainable alternative to conventional Portland cement concrete; yet questions remain regarding the long-term behavior of Read More …
Understanding the Thermophysical Properties of Charged Fluids Using Molecular Simulations: A Journey from Molten Salts to Ionic Liquids and Back Again
Dr. Edward Maginn, Notre Dame University October 21, 2021 High temperature molten salts were some of the first liquids to be studied in the 1960s and 1970s using the newly invented methods of molecular dynamics and Monte Carlo simulations. Simple salts such as 1:1 alkali halides were particularly attractive systems to model, given computational and Read More …
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New Imaging Techniques to Explore Energy and Charge Carrier Transport in Nanoparticles and Nanoclusters
Dr. Alan Van Orden, Colorado State University March 25, 2021 This presentation discusses new super-resolved imaging techniques to probe the dynamics of energy and charge carrier transport in nanoparticle and nanocluster higher-order structures. We have reported spatio-temporal imaging with nanometer scale spatial resolution and sub-nanosecond time resolution to image the dynamics of energy transfer within Read More …
Hot Carrier Solar Cells and Non-Equilibrium Phonons
Dr. David Ferry, Arizona State University March 4, 2021 Hot carrier solar cells were predicted to surpass the Shockley-Queisser efficiency limit almost four decades ago. To achieve this required drastically reducing the energy loss to the optical phonons in electron and hole relaxation and extracting the hot carriers directly from the device. Unfortunately, these proposed Read More …
Understanding and Addressing the Impostor Syndrome in the Field of STEM
Dr. GiShawn Mance, Howard University March 11, 2021 Do you doubt your accomplishments or feel like a fraud? Are there times you think to yourself that you do not belong in STEM? Many students in the field of STEM experience anxiety surrounding their readiness and ability to successfully navigate their course of study. The academic/professional Read More …
All-Epitaxial Mid-IR Plasmonic Optoelectronics
Dr. Dan Wasserman, University of Texas Austin February 25, 2021 The mid-infrared (mid-IR) spectral range (loosely defined as the wavelengths between 3-30µm) has become a burgeoning and dynamic field of research for a variety of technologically vital applications. Nonetheless, the development of the mid-IR optical infrastructure still trails behind that of the shorter, more mature, Read More …
Interfacing Biomarkers and Materials Science
Dr. Loreen Stromberg, Los Alamos National Laboratory February 11, 2021 Materials play a critical role in the development of surfaces for detection of biological components. In order to achieve the requisite sensitivity and specificity in a target matrix, the interface between surfaces and biomarkers needs to strike a balance with the appropriate degree of biomimicry, Read More …
Chemical and Enzymatic Strategies for Complex Molecule Synthesis
Dr. Kyle Biegasiewicz, Arizona State University March 18, 2021 The chemical synthesis of structurally and stereochemically complex molecules is a focal point of the pharmaceutical, agriculture and materials industries. In an effort to optimize the desired parameters affiliated with their synthesis (step, atom, redox economies) we rely heavily upon the discovery of catalysts that can Read More …