However, existing doping methods face the challenge of simultaneous control over the morphology, crystallinity, dopant distribution and concentration at the nanometer scale. A combined scanning tunneling microscope-atomic layer deposition tool. View details for Web of Science ID 000330163100003, View details for Web of Science ID 000330158900093, View details for DOI 10.1016/j.tsf.2013.05.092, View details for Web of Science ID 000321111100029, View details for DOI 10.1016/j.actamat.2013.03.027, View details for Web of Science ID 000319304400032. 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. Koolwal, A. TiO2 homojunction diodes fabricated completely by ALD are developed as a demonstration of the utility of these techniques and shown to exhibit useful rectifying characteristics even with minimal processing refinement. An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. Amon, C. H., Beuth, J. L., Weiss, L. E., Merz, R., Prinz, F. B. View details for Web of Science ID 000259676000007. Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide. Design and tuning of a vacuum microplasma spray system: Particle entrainment. Enhanced oxygen exchange on surface-engineered yttria-stabilized zirconia. B., Park, J. S., Prinz, F. B. Transmission electron microscope (TEM) observations revealed the optimized number of ALD cycles of Pt for the catalytic electrode, which renders both contiguity and high triple-phase boundary (TPB) density. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. Prinz, F., B., Fasching, R., Kohl, F., Urban, G., Jobst, G., Keplinger, F. NEXT GENERATION MANUFACTURING TASK PLANNER FOR ROBOTIC ARC-WELDING. We attribute the superior cell performance to significant reduction in both the ohmic and the polarization losses due to the combined effects of employing an ultrathin film electrolyte, enhancement of effective area by 3-D architecture, and superior catalytic activity by the ceria-based interlayer at the cathode. Observing the Nucleation Phase of Atomic Layer Deposition In Situ. Ryu, W., Min, S. W., Hammerick, K. E., Vyakarnam, M., Greco, R. S., Prinz, F. B., Fasching, R. J. Electrochemical impedance analysis of solid oxide fuel cell electrolyte using kinetic Monte Carlo technique. This enhancement of OER activity for TiO2:Co NWs is attributed to both improved surface charge transfer kinetics and increased bulk conductivity. High temperature O-17 MAS NMR study scandia and yttria stabilized of calcia, magnesia, zirconia. Park, J., S., Kang, S., K., Gr, T., M., Prinz, F., B. Defective HOPG supports are modeled by density functional theory (DFT) calculations that confirm and explain the above experimental results. Prinz, F., B., Fasching, R., Keplinger, F., Hanreich, G., Jobst, G., Urban, G. Scalable rotary actuators with embedded Shape Memory Alloys, Skeletons for representation and reasoning in engineering applications. 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. PbS quantum well structures with a thickness range of 1-20nm were fabricated by atomic layer deposition (ALD). This observation is consistent with the formation of oxide ion vacancies on the oxide surface. A. Micro-Scale Radial-Flow Compressor Impeller Made of Silicon Nitride: Manufacturing and Performance. On September 3, 2020, QuantumScape announced an agreement to merge with the blank check special purpose acquisition company (SPAC) company Kensington Capital Acquisition Corp. O'Hayre, R., Lee, S. J., Cha, S. W., Prinz, F. B. Capacitive blade tip clearance measurements for a micro gas turbine. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. We also believe that the sustained kinetics for the fully mixed cermet layer sample stems from better thermal stability of Pt islands separated by the ALD YSZ matrix, which helped to maintain the high-density TPBs even at elevated temperature. Atomic Layer Deposition of Platinum Catalysts on Nanowire Surfaces for Photoelectrochemical Water Reduction. Hammerick, K. E., Longaker, M. T., Prinz, F. B. And the ceramic separator is non-flammable and noncombustible, making our batteries safer than conventional lithium-ion batteries. Use of a high-flow diaphragm valve in the exhaust line of atomic layer deposition reactors, Patterned Silver Nanomesh Cathode for Low-Temperature Solid Oxide Fuel Cells. Quadros, W. R., Gurumoorthy, B., Ramaswami, K., Prinz, F. B. in Economics from Pomona College, a M.B.A. from Stanford Graduate School of Business, and a M.S. Sample scaffolds were constructed for purposes such as channel-directed cell growth and size-based cell sorting. Amon, C., H., Schmaltz, K., S., Merz, R., Prinz, F., B. Collision avoidance using asynchronous teams. This work provides an intriguing and effective approach on tuning electronic structures for optimizing the catalytic activity. Development of portable fuel cell arrays with printed-circuit technology. Mr. McCarthy has served as QuantumScapes Chief Legal Officer and Head of Corporate Development since March 2013. Discharged Charged Next-Generation Mobility A programmable and biodegradable drug delivery device is desirable when a drug needs to be administered locally. B., Fasching, R., Prinz, F. B. The oxygen evolution of single cells was investigated using a nano-probe with an ultra-micro electrode (UME) in a submicron sized system in combination with a micro-fluidic system. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. Shim, J. H., Park, J. S., An, J., Guer, T. M., Kang, S., Prinz, F. B. View details for DOI 10.1016/j.bbrc.2010.05.003, View details for Web of Science ID 000279292800003, View details for DOI 10.1016/j.jpowsour.2009.12.025, View details for Web of Science ID 000275386100039, View details for Web of Science ID 000277635000002, View details for DOI 10.1016/j.jpowsour.2009.12.030, View details for Web of Science ID 000275074200023. Park, Y. I., Saito, Y., Pornprasertsuk, R., Cheng, J., Cha, S. W., Prinz, F. B. View details for Web of Science ID 000270670500043, View details for Web of Science ID 000269485300008, View details for Web of Science ID 000268174400038. Buie, C. R., BANIN, Y., Tang, C. Y., Santiago, J. G., Prinz, F. B., Pruitt, B. L. Finding narrow passages with Probabilistic Roadmaps: The small-step retraction method. In the last 2 years at Quantumscape Corp, Fritz Prinz has sold an estimated value of $34.54M worth. The resulting micro-SOFC electrolyte membrane showed a hexagonal-pyramid array nanostructure and achieved a power density of 1.34 W/cm(2) at 500 C. Consequently, PbS thin films were grown selectively only where ODTS was not present, whereas deposition was blocked in regions where ODTS was grown. Amon, C. H., Merz, R., Prinz, F. B., Schmaltz, K. S. Robot-Assisted Shape Deposition Manufacturing. Employing 50 Hz direct current electric fields in concert with and without osteogenic factors, we demonstrated increased early osteoblast-specific markers. QuantumScape developed the industry's first anode-less cell design, which delivers high energy density while lowering material costs and simplifying manufacturing. The tubular MEAs are nominally 5 m long and have <500 nm outside diameter with total MEA thickness of nearly 50 nm. By scanning the Li intercalation potential from high to low, we have gained control of multiple important material properties in a continuous manner, including tuning the oxidation state of Mo, the transition of semiconducting 2H to metallic 1T phase, and expanding the van der Waals gap until exfoliation. Logar, M., Xu, S., Acharya, S., Prinz, F. B. Before that, she served in several HR leadership roles at Foxconn Interconnect Technology, Inc., a multinational electronics manufacturer, and NUMMI, an automotive manufacturing joint venture between Toyota and General Motors. The key to our technology is a patented solid ceramic electrolyte separator, the material that keeps the anode and cathode from touching and moves lithium ions from one side of the battery to the other during charge and discharge. B., Park, J. S., Guer, T. M., Kang, S., Prinz, F. B. Yoneoka, S., Liger, M., Yama, G., Schuster, R., Purkl, F., Provine, J., Prinz, F. B., Howe, R. T., Kenny, T. W. Electrodeposited Metallic Nanowires as a Scanning Probe Tip, Scanning tunneling spectroscopy of lead sulfide quantum wells fabricated by atomic layer deposition. Prinz, F., B., Gowrishankar, V., Hutton, D., Fluhrer, C., Dasgupta, N. Water Removal from Proton Exchange Membrane Fuel Cells via Electroosmotic Pumping. Our results show that the band gap of PbS thin films increased as the film thickness decreased, and the barrier height increased from 0.45 to 2.19eV. Komadina, J., Walch, S., Fasching, R., Grossman, A., Prinz, F. B. Mr. McCarthy currently serves as a member of the boards of several privately-held companies. 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. High-k, low leakage thin films are crucial components for dynamic random access memory (DRAM) capacitors with high storage density and a long storage lifetime. Park, J. S., Kang, S. K., Guer, T. M., Prinz, F. B. Cooper, A. G., Kang, S., Kietzman, J. W., Prinz, F. B., Lombardi, J. L., Weiss, L. Rapid tooling die cast inserts using shape deposition manufacturing. Stanford Scientists Create a Billionaire Factory. An, J., Park, J. S., Koh, A. L., Lee, Hark, B., Jung, H. J., Schoonman, J., Prinz, F. B. Design and fabrication of a micro fuel cell array with "flip-flop" interconnection. On optimizing the dopant concentration at the surface of single-crystal YSZ, a 5-fold increase in the oxygen surface exchange coefficient of the electrolyte was observed using isotopic oxygen exchange experiments coupled with secondary ion mass spectrometer measurements. Residual stresses in layered manufacturing. In Situ Cycle-by-Cycle Flash Annealing of Atomic Layer Deposited Materials. This system was successfully used to measure light-dependent oxidation currents of a few pico-amperes from the green alga Chlamydomonas reinhardtii. Jagdeep went to college at the age of 15, graduated with a major in computer science, and started his own business early. The experimental results support the predictions based upon calculations: PrMe(4)Cp and Me(5)Cp precursors are expected to be the best precursors among those studied for Ba and Sr film growth. This study presents atomic scale characterization of grain boundary defect structure in a functional oxide with implications for a wide range of electrochemical and electronic behavior. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. in Physics, a M.S. Conventional photolithography was used to create oxide patterns on which ODTS SAMs were selectively grown. Pornprasertsuk, R., Holme, T., Prinz, F. B. Motoyama, M., Dasgupta, N. P., Prinz, F. B. Area-Selective Atomic Layer Deposition Using Self-Assembled Monolayer and Scanning Probe Lithography, SCANNING TUNNELING MICROSCOPY OF QUANTUM CONFINEMENT EFFECTS IN LEAD SULFIDE THIN FILMS, Atomic layer deposition of LSM cathodes for solid oxide fuel cells, Open micro-fluidic system for atomic force microscopy-guided in situ electrochemical probing of a single cell. Adipose-derived stromal cells (ASCs) constitute a promising source of cells for regenerative medicine applications. Roelofs, K. E., Brennan, T. P., Trejo, O., Xu, J., Prinz, F. B., Bent, S. F. Atomic layer deposition of thin-film ceramic electrolytes for high-performance fuel cells. QuantumScape CEO Jagdeep Singh, who founded the company in 2010 with fellow Stanford scientists Fritz Prinz and Tim Holme, believes the electric battery share of the overall vehicle market. Mack, J. F., Van Stockum, P. B., Yemane, Y. T., Logar, M., Iwadate, H., Prinz, F. B. Aberration-Corrected TEM Imaging of Oxygen Occupancy in YSZ. in Management from Stanford Graduate School of Business. For precise control of the cell distribution within the microstructured scaffolds a high precision microsieve structure was designed to localize rat hepatocytes and human articular chondrocytes in the biodegradable polymers. Liu, H. C., Tsuru, H., Cooper, A. G., Prinz, F. B. Capacitive sensor for active tip clearance control in a palm-sized gas turbine generator, Gas-tight alumina films on nanoporous substrates through oxidation of sputtered metal films. Kim, Y. B., Barbagli, F., Carlson, C. R., Liang, D. H., Prinz, F. B. Synthesis of Microscale Lead Sulfide Disks by Patterned Self-Assembled Monolayer. Kang, S., Cooper, A. G., Stampfl, J., Prinz, F., Lombardi, J., Weiss, L., Sherbeck, J. Mikrostrukturierung von Funktions- und Strukturwerkstoffen mittels plasmagetzten Siliziums. 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. Shim, J. H., Kang, S., Cha, S., Lee, W., Kim, Y. B., Kim, J. However, three-dimensional (3-D) fabrication of tissue scaffolds containing complex microarchitectures still remains a challenge. Mr. McCarthy holds a B.A. Low Temperature Direct Methanol Fuel Cell with YSZ Electrolyte. A single cell was immobilized in the micro-fluidic system and a nano-probe was inserted into the cytosolic space of the single cell. 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. 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. Lee, S. J., Chang-Chien, A., Cha, S. W., O'Hayre, R., Park, Y. I., Saito, Y., Prinz, F. B. Structural and compositional analysis of solid oxide fuel cell electrolytes using transmission electron microscopy. Quantum dots (QDs) allow for manipulation of the position and energy levels of electrons at sub-10 nm length scales through control of material chemistry, size, and shape. Furthermore, this ALD Pt resulted in fuel cell performance comparable to that achieved by 80 nm-thick sputtered Pt. Pt-N-HOPG shows modified electronic structure of the Pt catalyst and increased activity towards oxygen. Approaching the limits of dielectric breakdown for SiO2 films deposited by plasma-enhanced atomic layer deposition. This system affords easy AFM access and allows for maintenance of the cells in a well-defined chemical environment, which sustains their biological activity. Novel Technologies for the Assembling of ASIC's and MEMS, Current Developments of Microelectronics, Seminar organized by the society for microelectronics. Prinz, F., B., Litster, S., Buie, C., R., Fabian, T., Eaton, J., K., Santiago, J., G. Oxygen Reduction Characteristics on Ag, Pt, and Ag-Pt Alloys in Low-Temperature SOFCs. Prinz, F., B., Fasching, R., Olcaytug, F., Schalko, J., Ebel, H., Gazicki, M. Layered manufacturing material issues for SDM of polymers and ceramics. With 400 employees, the company is working on next-generation technologies that will accelerate the adoption of electric vehicles around the world. View details for Web of Science ID 000276557100007. Lee, W., Jung, H. J., Lee, M. H., Kim, Y., Park, J. S., Sinclair, R., Prinz, F. B. Nanoscale membrane electrolyte array for solid oxide fuel cells, Enhanced oxygen exchange and incorporation at surface grain boundaries on an oxide ion conductor. 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. We abolished the increased cytoskeletal stresses with the rho-associated protein kinase inhibitor, Y27632, and did not see any decrease in osteogenic gene expression, suggesting that the pro-osteogenic effects of the electric fields are not transduced via cytoskeletal tension. However, the high operating temperatures of current SOFCs limit their adoption in mobile applications. This is made possible by nanostructuring of the ultrathin (60 nm) electrolyte interposed with a nanogranular catalytic interlayer at the cathode/electrolyte interface. High Surface Area Density Nano Thin Film Solid Oxide Fuel Cells, Transient behaviour of magnetic micro-bead chains rotating in a fluid by external fields. Highly oriented pyrolytic graphite (HOPG) implanted with N, Ar and B is studied as a support for platinum nanoparticle catalysts for fuel cells. The catalytic performance was measured using as little as 1 cycle of Pt ALD, which corresponded to a surface mass loading of 10 ng/cm(2). Dasgupta, N. P., Xu, S., Jung, H. J., Iancu, A., Fasching, R., Sinclair, R., Prinz, F. B. Ab initio kinetic Monte Carlo model of ionic conduction in bulk yttria-stabilized zirconia, Improved oxygen surface exchange kinetics at grain boundaries in nanocrystalline yttria-stabilized zirconia. Material strength in polymer shape deposition manufacturing, INTEGRATED DESIGN AND RAPID MANUFACTURING OVER THE INTERNET. Prior to this, Mr. Hettrich served as QuantumScapes Vice President of Business Operations from March 2016 to March 2018, as Senior Director of Finance and Product Management from March 2014 to March 2016, as a Director of Product Management from March 2013 to March 2014, and as a Manager of Product Management from January 2012 to March 2013. Such analyses have been performed for inhomogeneities of various shapes and sizes, for different tip-sample separations and tip geometries, for different applied voltages, and for different media (e.g., vacuum or water) in which the experiment is performed. Effects of Ion Irradiation on the Performance of Solid Oxide Fuel Cells. QuantumScape is a leader in developing next-generation solid-state lithium-metal batteries for electric vehicles. We show significant oxygen deficiency due to segregation of oxide-ion vacancies near the grain-boundary core with half-width < 0.6nm. In this role, he oversees advanced materials research, technical product development, machine learning, and intellectual . Prinz, F., B., Fasching, R., Aschauer, E., Urban, G. Surface characterization of thin film platinum electrodes applied for biosensors by means of cyclic voltammetry and laser - SNMS. In the case of tmhd and Cp precursors, the energy required to break bonds in the precursor ligand was studied to evaluate the most likely mechanism of carbon incorporation into the film. View details for Web of Science ID 000334990600047, View details for DOI 10.1016/j.ijhydene.2013.11.023, View details for Web of Science ID 000331920100022. 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the Advancement of Science (AAAS) (2007), Woodruff Colloquium in the Theme of Energy, Georgia Institute of Technology, Atlanta, GA (2008), Munushian Lecture, University of Southern California (2009), PhD, University of Vienna, Physics (1975), Department: Materials Science and Engineering, NPL Affiliate Program Manager, NPL Administrator, Plasma-enhanced atomic layer deposition of tungsten nitride. Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Damage in yttria-stabilized zirconia by Xe irradiation measured by X-ray diffraction, The triple phase boundary - A mathematical model and experimental investigations for fuel cells. To modulate the release of the devices, the dimension and location of the micro-orifices were varied and the responding in vitro release response of tetracycline was monitored over 2 weeks. A thin layer of fast degrading 50/50PLGA was placed as the diffusion layer between the 85/15PLGA layers to prevent any burst-type release. Prinz, F., B., Fasching, R., Urban, G., Aschauer, E., Jachimowicz, A., Kohl, F. OPTIMAL PATH PLACEMENT FOR KINEMATICALLY REDUNDANT MANIPULATORS. Kobayashi, K. G., Fujii, M., Prinz, F. B. The paper also introduces a fabrication methodology primarily based on a template process involving atomic layer deposition and electrodeposition for building the nanotubular MEA architecture as an important step toward achieving high surface area ultrathin SOFCs operating in the intermediate to low-temperature regime. For Pt clusters supported on HOPG with nitrogen defects, calculations show a greater driving force for nucleation and greater particle tethering. The flame reduction method has unique advantages of a high temperature (>1000 C), ultrafast heating rate, tunable reduction environment, and open-atmosphere operation, so it enables rapid formation of oxygen vacancies (less than one minute) without damaging the nanowire morphology and crystallinity and is even applicable to various metal oxides. However, bFGF is degraded quickly in vivo and difficulty of controlling the dose level impedes its effective use in angiogenesis and tissue regeneration. Conceptual data model for advanced rapid prototyping. Trends for Ba and Sr followed each other closely, reflecting the similar chemistry among alkaline earth metals. 8-K 001-39345 10.11 December 2, 2020 4.7 QuantumScape Corporation 2020 Employee Stock Purchase Plan 8-K 001 . To increase the electrochemically active surface area, yttria-stabilized zirconia membranes with thickness of 70 nm were deposited onto prepatterned silicon substrates. Complete QuantumScape Corp. Cl A stock information by Barron's. View real-time QS stock price and news, along with industry-best analysis. Fan, Z., Chao, C., Hossein-Babaei, F., Prinz, F. B. Stress-driven grain growth in nanocrystalline Pt thin films.
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