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MSE Doctoral Dissertation Defense: “Polymer Infiltrated Nanoporous Gold: Kinetics and Optical Properties of Novel Polymer Nanocomposites” (Weiwei Kong)

LRSM Reading Room 3231 Walnut St., Philadelphia, PA, United States

Abstract: One of the biggest challenges in the field of polymer nanocomposites (PNCs) is to disperse high nanofiller loadings into the polymeric matrix. The high loading and uniform dispersion are limited by the unfavored polymer/nanofiller thermodynamics and the tendency for nanofiller to aggregate. In this thesis, these are circumvented by using nanoporous gold (NPG) as […]

MSE Seminar: “Single Metal Site Catalysts for Sustainable and Clean Hydrogen Energy”

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Fossil fuels have been overwhelmingly used in many industry sectors in past decades, causing significant CO2 and other pollutant emissions, low efficiency, and nonsustainability. Clean and efficient energy storage and conversion via electrochemical reactions associated with hydrogen, oxygen, and water have attracted substantial attention for energy and environmental sustainability. Among compelling energy technologies, hydrogen proton […]

MSE Grace Hopper Lecture: “Bioelectronics to Probe Brain-Body Physiology” (Polina Anikeeva – Massachusetts Institute of Technology)

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Biological signaling in the mammalian nervous system spans a dizzying range of spatial and temporal scales. To understand how cellular and molecular signals contribute to physiology and behavior and to treat the neurological and psychiatric conditions our group designs tools that mimic biological complexity yet match the materials properties of tissues. By combining polymer engineering, […]

LRSM Seminar: “Expanding Our Vision of Glasses: Physical Vapor Deposition Prepares Ultrastable and Anisotropic Materials”

Glandt Forum, Singh Center for Nanotechnology 3205 Walnut Street, Philadelphia, PA, United States

Glasses are generally regarded as disordered and the idea of “controlling” molecular packing in glasses is reasonably met with skepticism.  However, as glasses are non-equilibrium materials, a vast array of amorphous structures are possible in principle. Physical vapor deposition (PVD) produces glasses with properties that cannot be achieved by other preparation routes, including high stability […]

MSE Seminar: “Tuning Nanostructured Materials for Combustion Applications” (Kerri-lee A. Chintersingh, Ph.D., New Jersey Institute of Technology)

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

Metals powders like aluminum and boron are attractive potential fuel additives for pyrotechnics, propellants and explosives due to their high energy release upon oxidation. However, they tend to agglomerate, have lengthy ignition delays, and low combustion rates/efficiencies. This work aims to design metal powders with tuned surface, micro-structure, morphology, or chemistries to mitigate these challenges […]

MSE Thesis Defense: “Cryogenic Microscopies of Energy Storage Materials: Insights into Metal Anodes, Solid-Electrolyte Interfaces, and Mxenes”

LRSM Reading Room 3231 Walnut St., Philadelphia, PA, United States

The growing global energy demand has driven the development of advanced batteries, particularly lithium metal anodes and anode-free systems, due to their potential for higher energy density at reduced costs. However, characterizing the interfaces within these systems presents a critical challenge due to their susceptibility to decomposition during conventional atomic-resolution analysis. The emergence of Cryogenic […]

MSE Thesis Defense: “Chain and Pendant Architecture Effects in Associating Polyolefins” Eli Jared Fastow

Wu & Chen Auditorium

The United States recycles less than 9% of plastic waste, representing a tremendous environmental catastrophe and a loss of embodied value. This dissertation presents the structure-property relationships of functional polymers made from an upcycling approach targeting polyolefins for polymer-to-polymer conversions. The overall strategy proceeds by first dehydrogenating polyolefins, then functionalizing the resulting C=C to generate […]

Seminar: “Merging Bio-integrated Materials and Devices with Ultrasound: Opportunities in Sensing, Modulation and Actuation” – Dr. Jiaqi Liu, Ph.D.

LRSM Reading Room 3231 Walnut St., Philadelphia, PA, United States

Soft, bio-integrated materials and devices exhibit the ability to collect physiological signals and offer therapeutic functions, posing a substantial impact on our understanding of biology and paving the way for precision medicine. With the assistance of advanced ultrasound technology, the innovative integration holds immense promise for sensing, modulation and actuation in deep tissues and complex […]

MSE Seminar: “Soft Microparticle Assemblies to MAP Scaffolds” Tatiana Segura – Duke University

Wu & Chen Auditorium

Particle assemblies form interconnected pockets of empty space that are hot spots for activity in many applications and natural phenomenon that deal with particulate matter. In my lab we explore the use of interlinked soft microparticle assemblies as scaffolds for cell culture in vitro and to promote regenerative wound healing in vivo. The open space that is created […]

Celebration of Community

Wu and Chen Auditorium (Room 101), Levine Hall 3330 Walnut Street, Philadelphia, PA, United States

The Cora Ingrum Center for Community and Outreach is planning its annual Celebration of Community gala to showcase Penn Engineering students, staff, and faculty in their multi-talented richness. The event will consist of guest speakers, performances, presentations from student groups, and a variety of cuisines. Do not hesitate to contact Dr. Ocek Eke (ocek@seas.upenn.edu) and […]