Stampfl, J., Liu, H. C., Nam, S. W., Kang, S., Prinz, F. B. Dadlani, A. L., Schindler, P., Logar, M., Walch, S. P., Prinz, F. B. Pt) are one of the main contributors to low-temperature (<500 C) fuel cell costs, significant efforts have been made to lower the noble metal loading in constructing fuel cell electrodes. A Computational Comparison of Electron Transfer from Reduced Ferredoxin to Flavin Adenine Dinucleotide and a Gold Electrode. 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Kim, Y. QuantumScape was founded in 2010, with the goal to create a solid-state lithium battery. To increase the electrochemically active surface area, yttria-stabilized zirconia membranes with thickness of 70 nm were deposited onto prepatterned silicon substrates. The release response to the different micro-geometry was prominent and further analyzed by FEM simulation. Metal NWs are grown by electrodeposition on the scanning probe tip. DEMES, G. H., Fenves, S. J., GROSSMANN, I. E., Hendrickson, C. T., Mitchell, T. M., Prinz, F. B., Siewiorek, D. P., Subrahmanian, E., Talukdar, S., Westerberg, A. W. Amon, C., Beuth, J., Kirchner, H., Merz, R., Prinz, F., Schmaltz, K. Electrochemical thin-film carbondioxide sensors on novel polymer membrane system for in vitro and in vivo applications. For Pt clusters supported on HOPG with nitrogen defects, calculations show a greater driving force for nucleation and greater particle tethering. Mustafa Fritz Fcee Jr, So Paulo, Brazil. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide. Motoyama, M., Fukunaka, Y., Ogata, Y. H., Prinz, F. B. Crabb, K. M., Park, J. S., Chao, C., Prinz, F. B. Nanopore Patterned Pt Array Electrodes for Triple Phase Boundary Study in Low Temperature SOFC. The Earthshot Prize 2022 is a global prize designed to incentivize change and help to repair our planet by awarding five winners each year for their contributions to environmentalism. Provine, J., Schindler, P., Kim, Y., Walch, S. P., Kim, H. J., Kim, K., Prinz, F. B. Atomically Flat Silicon Oxide Monolayer Generated by Remote Plasma. The change in mechanical properties of the cells in response to reprogramming offers insight into how the cell interacts with its environment and might lend clues to how to efficiently reprogram cell populations as well as how to maintain their pluripotent state. Mr. Singh joined the QuantumScape Board in May 2010. Our technology creates the lithium anode in situ during the first charge, an innovation that dramatically simplifies battery design and makes it fundamentally cheaper to manufacture. Here we report successful demonstration of a thin-film three-dimensional (3-D) SOFC architecture achieving a peak power density of 1.3 W/cm(2) obtained at 450 C. Rapid and Controllable Flame Reduction of TiO2 Nanowires for Enhanced Solar Water-Splitting. Pt-Ar-HOPG shows slightly enhanced catalytic activity towards oxygen. B., Jung, H. J., Park, J. S., Cha, S. W., Guer, T. M., Prinz, F. B. Nanoscale impedance and complex properties in energy-related systems. A. Micro-Scale Radial-Flow Compressor Impeller Made of Silicon Nitride: Manufacturing and Performance. We conclude, based on Hif2, that a gold electrode is approximately 14 times less efficient as an electron acceptor than FAD and that the mercaptopyridine SAM enhances electron transfer. Surface modification of platinum thin film electrodes towards a defined rouhgness and microporosity. Prinz, F., B., Aschauer, E., Fasching, R., Jobst, G., Varahram, M., Svasek, P. Numerical and Experimental Investigation of Interface Bonding Via Substrate Remelting of an Impinging Molten Metal Droplet. Bae, J., Hong, S., Koo, B., An, J., Prinz, F. B., Kim, Y. Fasching, R., Ryu, W., Bai, S., Park, J., Fabian, T., Moseley, J., Grossman, A., Prinz, F. Ionic conduction in nanoscale films of yttrium-doped barium zirconate, Microfabrication technology of biodegradable polymers for interconnecting microstructures. A customized atomic layer deposition (ALD) reactor was designed with components compatible with hydrogen sulfide (H(2)S) chemistry. Prinz, F., B., Kohl, F., Fasching, R., Urban, G., Steurer, J., Olcaytug, F. A measurement algorithm for capacitive speed encoder with a modified front-end topology , Instrumentation and Measurement, Material Strength in Polymer Shape Deposition Manufacturing Proceedings of the Solid Freeform Fabrication Symposium, Optimal motion planning for deposition in layered manufacturing, A robust capacitive angular speed sensor, Instrumentation and Measurement, Thin film thermo-mechanical sensors embedded in metallic structures, Process planning and automation for additive-subtractive solid freeform fabrication, Automated fabrication of complex molded parts using mold SDM. An, J., Park, J. S., Koh, A. L., Lee, H. B., Jung, H. J., Schoonman, J., Sinclair, R., Gr, T. M., Prinz, F. B. Three-Dimensional Nanostructured Bilayer Solid Oxide Fuel Cell with 1.3 W/cm(2) at 450 C. View details for Web of Science ID 000266093700034, View details for Web of Science ID 000268803300024, View details for Web of Science ID 000337731900001, View details for Web of Science ID 000337724700103, View details for Web of Science ID 000337724700111, View details for Web of Science ID 000337731900031, View details for Web of Science ID 000280345900490, View details for Web of Science ID 000265837900031, View details for Web of Science ID 000280345900456, View details for Web of Science ID 000271218900019, View details for Web of Science ID 000270133400050, View details for Web of Science ID 000268405400043, View details for Web of Science ID 000280345900274, View details for DOI 10.1016/j.ssi.2007.12.100, View details for Web of Science ID 000259276200058. His focus is on micro and nano research in the field of energy, where he researches new materials and methods for efficient energy conversion and storage. Mack, J. F., Van Stockum, P. B., Iwadate, H., Prinz, F. B. ALD for clean energy conversion, utilization, and storage. This years Innovation Summit featured finalists selected by the Earthshot council in addition to panelist speakers from heads of state, grassroots organizations and tech leaders. Holme, T. P., Pornprasertsuk, R., Prinz, F. B. Active water management for proton exchange membrane fuel cells using an integrated electroosmotic pump. An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. Thermal stabilities of nanoporous metallic electrodes at elevated temperatures. Schindler, P., Kim, Y., Thian, D., An, J., Prinz, F. B. Self-limiting atomic layer deposition of barium oxide and barium titanate thin films using a novel pyrrole based precursor. Play over 265 million tracks for free on SoundCloud. The focus was on the development solid-state lithium-ion batteries, which are generally . For more information, please visit www.quantumscape.com . Sharon, J. Shim, J. H., Jiang, X., Bent, S., Prinz, F. B. Usui, T., Dasgupta, N., P., Jiang, X., Lee, W., Prinz, F., B. A single cell was immobilized in the micro-fluidic system and a nano-probe was inserted into the cytosolic space of the single cell. Li, X. C., Johnsen, J., Groza, J., Prinz, F. Rapid prototyping and manufacturing by gelcasting of metallic and ceramic slurries. An, J., Shim, J. H., Kim, Y., Park, J. S., Lee, W., Guer, T. M., Prinz, F. B. We used atomic force microscopy as a tool to determine stem cell stiffness, and hence differences in material properties between cells. In this study, we engineered the surface doping concentration of a common oxide electrolyte, yttria-stabilized zirconia (YSZ), with the help of atomic layer deposition (ALD). Correlation of film density and wet etch rate in hydrofluoric acid of plasma enhanced atomic layer deposited silicon nitride. No deposition was measured with tmhd precursors, and SrO films were deposited with PrMe(4)Cp with a source temperature of 200 degrees C and at substrate temperatures between 250 and 350 degrees C with growth rates increasing for oxygen sources in this order: O2 < H2O < O2 + H2O. Quantum dots provide unique advantages in the design of novel optoelectronic devices owing to the ability to tune their properties as a function of size. (QIA) holds a 4.69% stake in Quantumscape Corp (QS.N), which is developing batteries for electric cars, a Securities and . Cermet layers were deposited between the porous Pt cathode and the dense YSZ electrolyte wafer using atomic layer deposition (ALD). Park, J., S., Kim, Y., B., An, J., Shim, J., H., Gr, T., M., Prinz, F., B. Ultra-Thin Catalytic Electrodes for LT-SOFC, Editors Choice (Materials Science: 3D Lowers T), Three-Dimensional Nanostructured Bilayer Solid Oxide Fuel Cell with 1.3 W/cm2 at 450C. The observed enhancement in cell performance is believed to be due to the increased triple phase boundary (TPB) density in the cermet interlayer. Kim, Y. Prinz, F., B., Fasching, R., Husinsky, W., Urban, G., Betz, G., Aschauer, E. THICKNESS EFFECTS MAY NOT DO WHAT YOU THINK THEY DO. Quadros, W. R., Ramaswami, K., Prinz, F. B., Gurumoorthy, B. Kim, Y. Amon, C., H., Merz, R., Prinz, F., B., Schmaltz, K., S. Merz, R., Prinz, F., B., Ramaswami, K., Terk, M., Weiss, L. Two types of electrochemical thin-film pCO2-sensors for in vitro and in vivo applications. View details for Web of Science ID 000270670500043, View details for Web of Science ID 000269485300008, View details for Web of Science ID 000268174400038. Our results show that this method can be applied to various device-fabrication processes, presenting new opportunities for various nanofabrication schemes and manifesting the benefits of self-assembly. He is a board member of National Research Council Committee. A fabricated nanotubular SOFC theoretically attains a 20-fold increase in the effective surface, while projections indicate the possibility of achieving up to 40-fold. Liu, H. C., Lee, S., Kang, S., Edwards, C. F., Prinz, F. B. AC Impedance Investigation of Transport Phenomena in Micro Flow Channels in Fuel Cells. ALD of lead sulfide (PbS) and zinc sulfide (ZnS) were demonstrated with no chemical contamination or detectable release of H(2)S. View details for Web of Science ID 000277243100039, View details for DOI 10.3938/jkps.56.1215, View details for Web of Science ID 000276783000035, View details for DOI 10.1016/j.actamat.2009.12.005, View details for Web of Science ID 000275511700028. Implications of Electricity Liberalization for Combined Heat and Power (CHP) Fuel Cell Systems (FCSs): a Case Study of the United Kingdom, Near Net Shape Forming Of Advanced Structural Ceramic Devices, Cantilever Tip-Probe Arrays for Simultaneous SECM and AFM Analysis, Micro-scale Electrochemistry: Application to Fuel Cell, Design Options for Achieving a Rapidly Variable Heat-to-Power Ratio in a Combined Heat and Power (CHP) Fuel Cell System, Design Considerations for Effective Control of an Afterburner Sub-System in a Combined Heat and Power (CHP) Fuel Cell System (FCS), Modelling Results for the Thermal Management Sub-System of a Combined Heat and Power (CHP) Fuel Cell Systems (FCS), Design, Construction, and Testing of a Fuel Cell Powered Scooter, Freeman Spogli Institute for International Studies, Institute for Computational and Mathematical Engineering (ICME), Institute for Human-Centered Artificial Intelligence (HAI), Institute for Stem Cell Biology and Regenerative Medicine, Stanford Institute for Economic Policy Research (SIEPR), Stanford Woods Institute for the Environment, Office of VP for University Human Resources, Office of Vice President for Business Affairs and Chief Financial Officer, Quantum Field Theory (QFT) for Engineering Applications, Directed Research and Writing in Aero/Astro, Engineering Problems and Experimental Investigation, Experimental Investigation of Engineering Problems, Participation in Materials Science Teaching. Shim, J. H., Kang, S., Cha, S., Lee, W., Kim, Y. Fritz Prinz has not been actively trading shares of QuantumScape during the last ninety days. Applying a positive bias, in contrast, generated a positive surface charge adjacent to the tip contact area. Bai, S., Fabian, T., Prinz, F. B., Fasching, R. J. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. Microelectromechanical system (MEMS) technology not only provides the possibility of integration of multiple functions but also enables more precise control of dosing of therapeutic agents when the therapeutic window is very limited. This result may represent an initial step in generating "high efficiency" bioelectricity by directly harvesting high energy photosynthetic electrons. ENERGY TRANSFER BETWEEN QUANTUM DOTS OF DIFFERENT SIZES FOR QUANTUM DOT SOLAR CELLS, Kinetic Monte Carlo Simulations of Solid Oxide Fuel Cell. Energy States of Ligand Capped Ag Nanoparticles: Relating Surface Plasmon Resonance to Work Function. Dasgupta, N. P., Lee, W., Holme, T. P., Prinz, F. B. Characteristics of Oxygen Reduction on Nanocrystalline YSZ. Provine, J., Schindler, P., Torgersen, J., Kim, H. J., Karnthaler, H., Prinz, F. B. Quantifying Geometric Strain at the PbS QD-TiO2 Anode Interface and Its Effect on Electronic Structures. Thian, D., Yemane, Y. T., Logar, M., Xu, S., Schindler, P., Winterkorn, M. M., Provine, J., Prinz, F. B. Fritz B Prinz, Quantumscape Corp: Profile and Biography - Bloomberg Markets Bloomberg TV+ Bloomberg Markets Americas Bloomberg Markets Americas. Finally, reaction energetics are calculated for two likely reaction pathways over Pt clusters supported on different HOPG substrates. Effects of QD Surface Coverage in Solid-State PbS Quantum Dot-Sensitized Solar Cells. Thus, we have developed an open micro-fluidic channel system (OMFC) in which individual cells can be immobilized in micro-traps by capillary flow. View details for Web of Science ID 000276969700113. The recent technique of transducing key transcription factors into unipotent cells (fibroblasts) to generate pluripotent stem cells (induced pluripotent stem cells [iPSCs]) has significantly changed the stem cell field. Discharged Charged Next-Generation Mobility High-density multi-layer connection technology for MEMS and CMOS applications. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. Prinz, F., B., Aschauer, E., Fasching, R., Varahram, M., Jobst, G., Urban, G. Shape deposition manufacturing of heterogeneous structures. Then, the UME was used for an in vivo amperometric experiment at a fixed potential and electrochemical impedance spectroscopy to detect oxygen evolution of the single cell under various light intensities. in Economics from Pomona College, a M.B.A. from Stanford Graduate School of Business, and a M.S. Prinz, F., B., Hanreich, G., Nicolics, J., Fasching, R. Automated fabrication of complex molded parts using mold shape deposition manufacturing. Park, J. S., An, J., Lee, M. H., Prinz, F. B., Lee, W. The Use of Contact Mode Atomic Force Microscopy in Aqueous Medium for Structural Analysis of Spinach Photosynthetic Complexes. Dong, J. P., Kao, J. H., Pinilla, J. M., Chang, Y. C., Prinz, F. B. Ion conducting oxides are commonly used as electrolytes in electrochemical devices including solid oxide fuel cells and oxygen sensors. Jagdeep went to college at the age of 15, graduated with a major in computer science, and started his own business early. Kietzman, J. W., Cooper, A. G., Weiss, L. E., Schultz, L., Lombardi, J. L., Prinz, F. B. Reflections on a concurrent design methodology: A case study in wearable computer design. Human fibroblast and hASC stiffness was also ascertained for comparison. Localized Charge Transfer Reactions near the Pt-YSZ Interfaces using Kelvin Probe Microscopy. Shim, J., H., Cha, S., W., O'Hayre, R., Gr, T., M., Prinz, F., B. Kim, Y. View details for DOI 10.1007/s10529-011-0604-x, View details for Web of Science ID 000293752000025, View details for DOI 10.1016/j.mee.2010.12.006, View details for Web of Science ID 000293663400191. The porous-template technique can produce NWs of various kinds of metals, with diameters down to 10-20 nm, which compete with multiwall carbon nanotube diameters. Park, J., S., Kang, S., K., Gr, T., M., Prinz, F., B. Ultra-sharp nano-probes and customized atomic force microscopy (AFM) have previously been developed in our laboratory for in situ sub-cellular probing of electrochemical phenomena in living plant cells during their photosynthesis. Obtaining high power density at low operating temperatures has been an ongoing challenge in solid oxide fuel cells (SOFC), which are efficient engines to generate electrical energy from fuels. The method emphasizes micro-fluidic interconnections between layers within the scaffolds and maintenance of high-resolution geometries during the bonding process for the creation of multi-layered scaffolds. Atomic layer deposition by reaction of molecular oxygen with tetrakisdimethylamido-metal precursors. Prinz, F., B., Fasching, R., Urban, G., Aschauer, E., Jachimowicz, A., Kohl, F. OPTIMAL PATH PLACEMENT FOR KINEMATICALLY REDUNDANT MANIPULATORS. Oxide-ion density distribution near a grain boundary simulated by molecular dynamics corroborated well with experimental results. Variation of Energy Density of States in Quantum Dot Arrays due to Interparticle Electronic Coupling. B., Park, J. S., Shim, J. H., Guer, T. M., Prinz, F. B. in Computer Science from the University of Maryland College Park, an M.B.A. from the University of California, Berkeley, Haas School of Business, and a M.S. Evidence of Proton Transport in Atomic Layer Deposited Yttria-Stabilized Zirconia Films. Xu, S., Thian, D., Wang, S., Wang, Y., Prinz, F. B. Nanostructuring Materials for Solar-to-Hydrogen Conversion, MEMS-based thin-film solid-oxide fuel cells. In order to avoid the worst consequences of climate change, we must electrify transportation and turn internal combustion engines into a way of the past. Hong, S., Bae, J., Koo, B., Chang, I., Cho, G. Y., Kim, Y., Cha, S. W., Prinz, F. B. Digitally-patterned nanoprobe arrays for single cell insertion enabled by wet tapping. Parquia Santa Rita de Cssia in So Paulo, reviews by real people. First, defect energetics are studied to demonstrate that nitrogen doping at high doses likely causes agglomerated nitrogenous defect clusters, and irradiation with Ar ions creates vacancies that agglomerate in vacancy clusters. Prinz, F., B., Weiss, L., Amon, C., Beuth, J. CNC Cutter Path Generation in Shape Deposition Manufacturing. Quadros, W. R., Gurumoorthy, B., Ramaswami, K., Prinz, F. B. Prinz, F., B., Zhou, Y., Holme, T., Berry, J., Ohno, T., Ginley, D. First principles study of doped carbon supports for enhanced platinum catalysts. Optimal process conditions were identified in order to avoid any unwanted change in material properties, such as crystallinity and scaffold strength, that have a direct impact on the degradation speed and physical integrity of the constructed scaffolds. Significantly, we show that flame reduction greatly improves the saturation photocurrent densities of TiO2 nanowires (2.7 times higher), -Fe2O3 nanowires (9.4 times higher), ZnO nanowires (2.0 times higher), and BiVO4 thin film (4.3 times higher) in comparison to untreated control samples for PEC water-splitting applications. Part strength improvement in polymer shape deposition manufacturing, Medial Axis Transform (MAT) of general 2D shapes and 3D polyhedra for engineering applications. Active Water Management for PEM Fuel Cells. Huang, H., Holme, Tim, P., Prinz, Fritz, B. Effect of cation non-stoichiometry and crystallinity on the ionic conductivity of atomic layer deposited Y:BaZrO3 films. View details for DOI 10.1016/j.actbio.2011.05.011, View details for Web of Science ID 000294040900009. Citing the demonstrated role electric fields play in enhancing healing in bone fractures and defects, we investigated the ability of pulsed direct current electric fields to drive osteogenic differentiation in mouse ASCs. Prinz, F., B., Fasching, R., Keplinger, F., Aschauer, E., Urban, G. Miniaturisierte Dnnschicht-Blutgassensoren fr die in vivo und ex vivo Diagnostik.
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