You, L., Temiyasathit, S., Tao, E., Prinz, F., Jacobs, C. R. A resolution study for electrostatic force microscopy on bimetallic samples using the boundary element method. Here we report a 3-D biodegradable microscaffolding (3D-BMS) technology and its process characterization as well as a microscale cellular loading technology as an efficient way to massively populate biodegradable polymers with cells at single cell resolution. Since then, it has spent over $300 million on developing its product and manufacturing process to try to . Link, G. R., Fessler, J., Nickel, A., Prinz, F. Functional gradient metallic prototypes through shape deposition manufacturing. Density functional theory was used to simulate Sr and Ba precursors, and several precursors were selected and used to grow films via ALD as test cases for the precursor selection method. This work demonstrates the kinetic role of 2 nm thin YSZ/Pt cermet layers on enhancing the oxygen reduction kinetics for low temperature solid oxide fuel cells. Design and fabrication of materials for Laser Shape Deposition Manufacturing, Graph based process planning for Mold Shape Deposition Manufacturing. Ryu, W., H., Min, S., Fasching, R., Prinz, F. Proton Transport Membranes for Fuel Cells: Polymeric versus Dense Ceramic". View details for DOI 10.1016/j.jconrel.2007.08.024. Chang, Y. C., Pinilla, J. M., Kao, J. H., Dong, J., Ramaswami, K., Prinz, F. B. Bae, K., Son, K. S., Kim, J. W., Park, S. W., An, J., Prinz, F. B., Shim, J. H. Motoyama, M., Chao, C., An, J., Jung, H. J., Gr, T. M., Prinz, F. B. B., Hsu, C., Connor, S. T., Guer, T. M., Cui, Y., Prinz, F. B. Catalysts with Pt Surface Coating by Atomic Layer Deposition for Solid Oxide Fuel Cells. B., Guer, T. M., Jung, H., Kang, S., Sinclair, R., Prinz, F. B. Three-dimensional biodegradable microscaffolding: Scaffold characterization and cell population at single cell resolution. Tafel plots and the fitted impedance data suggest that the charge transfer coefficient of interlayered SOFCs was 1.25 times higher, and the electrode/interfacial activation energy was reduced from 0.85 to 0.76 eV. Jiang, X., Guer, T. M., Prinz, F. B., Bent, S. F. Silicon-based Thin Film Solid Oxide Fuel Cell Array, Proton Conductivity Studies of Y-Doped Barium Zirconate: Theoretical and Experimental Approaches. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. Quadros, W. R., Ramaswami, K., Prinz, F. B., Gurumoorthy, B. B., Chao, C., Guer, T. M., Prinz, F. B. Electrochemical Deposition of Metallic Nanowires as a Scanning Probe Tip. Maximum power densities of the corrugated fuel cells of 677 mW/cm2 and 861 mW/cm2 were obtained at 400 and 450 degrees C, respectively. Mechanical and thermal expansion behavior of laser deposited metal matrix composites of Invar and TiC, Electro-discharge machining of mesoscopic parts with electroplated copper and hot-pressed silver tungsten electrodes. In this work, we demonstrate a method to increase the dielectric constant and decrease the leakage current density of atomic layer deposited BaTiO3 thin films at low process temperature (250 C) using postdeposition remote oxygen plasma treatment. 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. Dasgupta, N. P., Jung, H. J., Trejo, O., McDowell, M. T., Hryciw, A., Brongersma, M., Sinclair, R., Prinz, F. B. Utilizing the aberration-corrected TEM capability and HRTEM simulation results, we experimentally verified that oxygen vacancies segregate near the single grain boundary of a YSZ bicrystal. Ryu, W., H., Prinz, F., B., Greco, R., S., Fasching, R. Nanofabrication of electrochemical planar probes for single cell analysis, Thin-film SOFCs using gastight YSZ thin films on nanoporous substrates. Park, J. S., Kim, Y., An, J., Shim, J. H., Guer, T. M., Prinz, F. B. Atomistic simulations of grain boundary segregation in nanocrystalline yttria-stabilized zirconia and gadolinia-doped ceria solid oxide electrolytes. Specifically, quantum confinement effects on the band gap of PbS quantum wells were explored by controlling the PbS film thickness and potential barrier height. An, J., Kim, Y., Park, J., Gr, T. M., Prinz, F. B. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Ultra-sharp High-aspect-ratio Probe Array for SECM and AFM Analysis. Su, P., Chao, C., Shim, J. H., Fasching, R., Prinz, F. B. Development of portable fuel cell arrays with printed-circuit technology. Sample scaffolds were constructed for purposes such as channel-directed cell growth and size-based cell sorting. In this role, he oversees advanced materials research, technical product development, machine learning, and intellectual . An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. Share Your Design Ideas, New JerseysMurphy Defends $10 Billion Rainy Day Fund as States Economy Slows, What Led to Europe's Deadliest Train Crash in a Decade, This Week in Crypto: Ukraine War, Marathon Digital, FTX, Chief Scientific Advisor/Co-Founder, Quantumscape Corp. Kao, J. H., HEMMERLE, J. S., Prinz, F. B. Entwicklung elektrochemischer Dnnschicht CO2-Sensoren, Grundlagen und Technologie elektronischer Bauelemente. Product Solid-state battery Atomic Layer Deposition of Lead Sulfide Quantum Dots on Nanowire Surfaces. Cha, S. W., Lee, S. J., Park, Y. I., 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. Cermet layers were deposited between the porous Pt cathode and the dense YSZ electrolyte wafer using atomic layer deposition (ALD). Here we demonstrate a new technique for fabrication of quantum dots during the nucleation stage of atomic layer deposition (ALD) of PbS. Oxygen activation over engineered surface grains on YDC/YSZ interlayered composite electrolyte for LT-SOFC. Such column-by-column quantification of defect concentration in functional materials can provide new insights that may lead to engineered grain boundaries designed for specific functionalities. Applying a positive bias, in contrast, generated a positive surface charge adjacent to the tip contact area. A variety of metals can be chosen as the tip material. Huang, H., Shim, J. H., Chao, C., Pornprasertsuk, R., Sugawara, M., Guer, T. M., Prinz, F. B. in Economics from Pomona College, a M.B.A. from Stanford Graduate School of Business, and a M.S. The electric fields caused marked changes in the cytoskeleton. View details for Web of Science ID 000329586700005, View details for DOI 10.1007/s40684-014-0011, View details for Web of Science ID 000332646800011, View details for Web of Science ID 000335016400037. Effect of cation non-stoichiometry and crystallinity on the ionic conductivity of atomic layer deposited Y:BaZrO3 films. 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. Pornprasertsuk, R., Cheng, J., Huang, H., Prinz, F. B. The energy required to break bonds between the metal atom and the ligands was calculated to find which precursors react most readily. Tim Holme is the Co-Founder and Chief Technology Officer of QuantumScape, a leading developer of solid-state lithium-metal batteries, designed to enable greater energy density, faster charging and enhanced safety to support the transition away from legacy energy sources. in Environment and Resources from Stanford University. Solvent-vapor based bonding of micro-molded layers preserved 20 microm sized structures. 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. We found that oxygen column intensity is governed primarily by column occupancy rather than by static displacement of oxygen atoms. H(2)S is used as a reactant for the ALD of metal sulfides. B., Park, J. S., Gr, T., Kang, S. K., Prinz, F. B. Localized Charge Transfer Reactions near the Pt-YSZ Interfaces using Kelvin Probe Microscopy. Fuel cell performance of the corrugated electrolyte membranes released from silicon substrate showed an increase of power density relative to membranes with planar electrolytes. In the future, arrays of micro-SOFCs with high power density may enable a range of mobile and portable power applications. It operates from room temperature up to 200 C, and at pressures from 1 10(-6) Torr to 1 10(-2) Torr. Highly oriented pyrolytic graphite (HOPG) implanted with N, Ar and B is studied as a support for platinum nanoparticle catalysts for fuel cells. 8-K 001-39345 10.11 December 2, 2020 4.7 QuantumScape Corporation 2020 Employee Stock Purchase Plan 8-K 001 . Kang, S., Su, P. C., Park, Y. I., Saito, Y., Prinz, F. B. Ion irradiation effects on yttria-stabilized zirconia conductivity. 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. We observe a consistent increase in the energy onset of electronic excitations from the lateral center of the dot toward the edges, which we attribute purely to shape. Park, Y. I., Saito, Y., Pornprasertsuk, R., Cheng, J., Cha, S. W., Prinz, F. B. QuantumScape was worth $54 billion on the stock market shortly after it went public in 2020. Komadina, J., Kim, Y. 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. Dadlani, A. L., Trejo, O., Acharya, S., Torgersen, J., Petousis, I., Nordlund, D., Sarangi, R., Schindler, P., Prinz, F. B. Fan, Z., Chao, C., Hossein-Babaei, F., Prinz, F. B. Stress-driven grain growth in nanocrystalline Pt thin films. Fabrication of an electrochemical tip-probe system embedded in SiNx-cantilevers for simultaneous SECM and AFM analysis, Geometric scale effect of flow channels on performance of fuel cells. View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. The OMFC was further studied using simulation packages for optimal design conditions. View details for DOI 10.1007/s10544-007-9097-8, View details for Web of Science ID 000250462200009, View details for DOI 10.1016/j.ssi.2007.01).008, View details for Web of Science ID 000251694300003. 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. Prinz, F., B., Fasching, R., Keplinger, F., Aschauer, E., Urban, G. Miniaturisierte Dnnschicht-Blutgassensoren fr die in vivo und ex vivo Diagnostik. Park, J., S., Kang, S., K., Gr, T., M., Prinz, F., B. Hammerick, K. E., Longaker, M. T., Prinz, F. B. Prior to joining the company, Ms. Fong served as the Vice President of Global Human Resources at PDF Solutions (NASDAQ: PDFS), a semiconductor SAAS company. Atomic layer deposition of SrO was tested with Sr(tmhd)2 and Sr(PrMe(4)Cp)2 and oxygen, ozone, and water as oxygen sources. View details for Web of Science ID 000298643100032, View details for DOI 10.1557/mrs.2011.265, View details for Web of Science ID 000299230300018, View details for DOI 10.1016/j.mee.2011.06.003, View details for Web of Science ID 000297400900009, View details for DOI 10.1016/j.ssi.2011.07.004, View details for Web of Science ID 000295892700007. By 2012, it claimed investors like Bill Gates and Volkswagen. In this work, ultra-thin (10 nm) platinum (Pt) cathode/catalyst layers were patterned by atomic layer deposition (ALD) and tested as catalytic electrodes (cathode) for low-temperature solid oxide fuel cells. Electric fields also caused mASCs to orient perpendicularly to the field vector and elicited a transient increase in cytosolic calcium. This page provides a comprehensive analysis of the known insider trading history of Fritz Prinz. Design of heterogeneous catalysts and the application to the oxygen reduction reaction, Improving PEM fuel cell catalyst activity and durability using nitrogen-doped carbon supports: observations from model Pt/HOPG systems. An, J., Kim, Y. Relating Electronic and Geometric Structure of Atomic Layer Deposited BaTiO3 to its Electrical Properties. Ms. Fong holds a B.S. Mr. McCarthy has served as QuantumScapes Chief Legal Officer and Head of Corporate Development since March 2013. Dasgupta, N. P., Liu, C., Andrews, S., Prinz, F. B., Yang, P. Three-Dimensional Nanostructured Bilayer Solid Oxide Fuel Cell with 1.3 W/cm(2) at 450 degrees C. An, J., Kim, Y., Park, J., 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. 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. Kim, Y. Shim, J. H., Kim, Y. A new selection method for atomic layer deposition (ALD) or chemical vapor deposition (CVD) precursors is proposed and tested. Ryu, W., Fasching, R. J., Vyakarnam, M., Greco, R. S., Prinz, F. B. Fasching, R. J., Tao, Y., Hammerick, K., Prinz, F. B. Discharged Charged Next-Generation Mobility Photoluminescence measurements on the quantum dot/nanowire composites show a blue shift when the number of ALD cycles is decreased, suggesting a route to fabricate unique three-dimensional nanostructured devices such as solar cells. 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. Rapid and Controllable Flame Reduction of TiO2 Nanowires for Enhanced Solar Water-Splitting. Atomic layer deposition by reaction of molecular oxygen with tetrakisdimethylamido-metal precursors. View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. Furthermore, this ALD Pt resulted in fuel cell performance comparable to that achieved by 80 nm-thick sputtered Pt. Does integrated-circuit fabrication show the path for the future of mechanical manufacturing? Previous studies of osteogenic potential in ASCs have focused on chemicals, growth factors, and mechanical stimuli. The resulting fabricated patterns were characterized by scanning electron microscopy and Auger electron spectroscopy, which demonstrated that ALD PbS was well confined to defined patterns with high selectivity by ODTS SAMs. Effects of size polydispersity on electron mobility in a two-dimensional quantum-dot superlattice. QuantumScape Corporation (NYSE: QS) has appointed three new members to its board of directors: Jeneanne Hanley, former senior vice president at Lear C . Modification of Nafion (R) Using 3-mercaptopropyl Trimethoxysilane. This enhancement of OER activity for TiO2:Co NWs is attributed to both improved surface charge transfer kinetics and increased bulk conductivity. 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. Jiang, X., Huang, H., Prinz, F. B., Bent, S. F. Proton conduction in thin film yttrium-doped barium zirconate, Nanoscale probe system for cell-organelle analysis. Chao, C., C., Park, J., S., Prinz, F., B. This trend is in qualitative agreement with a simple quantum simulation of the local density of states in a dome-shaped QD. Atomic Scale Verification of Oxide-Ion Vacancy Distribution near a Single Grain Boundary in YSZ. 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. However, this AFM-based electrochemical probing still has numerous engineering challenges such as immobilization of the live cells, compatibility of the immobilization procedure with AFM manipulation of the probe, maintenance of biological activity of the cells for an extended time while performing the measurements, and minimization of electrochemical noise. Plasma Processing for Crystallization and Densification of Atomic Layer Deposition BaTiO3 Thin Films. Ryu, W., H., Fasching, R., Hammerick, K., Min, S., Prinz, F., B. The ALD process can be used to cover high-aspect-ratio nanostructures, as demonstrated by the uniform coating of a Si nanowire array with a single layer of PbS quantum dots. Prinz, F., B., Fasching, R., Urban, G., Aschauer, E., Jachimowicz, A., Kohl, F. OPTIMAL PATH PLACEMENT FOR KINEMATICALLY REDUNDANT MANIPULATORS. During their presentation to Gates, Singh said he Fritz, and Holme didn't have as much test data as they do now to indicate QuantumScape was on the right track, so they emphasized the enormous. Weiss, L. E., Merz, R., Prinz, F. B., Neplotnik, G., Padmanabhan, P., Schultz, L., Ramaswami, K. Application of cylindrical electro-magnetrons for glow discharge deposition of amorpous carbon and amorphous carbon/germanium films. View details for Web of Science ID 000276557100007. Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. A low temperature micro solid oxide fuel cell with corrugated electrolyte membrane was developed and tested. Prinz, F., B., Fasching, R., Kohl, F., Urban, G., Jobst, G., Keplinger, F. NEXT GENERATION MANUFACTURING TASK PLANNER FOR ROBOTIC ARC-WELDING. The precursors studied were M(x)2 (M = Sr, Ba; x = tetramethylheptanedionate (tmhd), acetylacetonate (acac), hexafluoroacetylacetonate (hfac), cyclopentadienyl (H(5)C(5)), pentamethylcyclopentadienyl (Me(5)C(5)), n-propyltetramethylcyclopentadienyl (PrMe(4)C(5)), tris(isopropylcyclopentadienyl) (Pr(3)(i)H(2)C(5)), tris(isopropylcyclopentadienyl)(THF) (Pr(3)(i)H(2)C(5))(OC(4)H(8)), tris(isopropylcyclopentadienyl)(THF)2 (Pr(3)(i)H(2)C(5))(OC(4)H(8))2, tris(tert-butylcyclopentadienyl) (Bu(3)(t)H(2)C(5)), tris(tert-butylcyclopentadienyl)(THF) (Bu(3)(t)H(2)C(5))(OC(4)H(8)), heptafluoro-2,2-dimethyl-3,5-octanedionate (fod)). Usui, T., Dasgupta, N. P., Jiang, X., Lee, W., Prinz, F. B. As regenerative therapies continue to explore ways to control mesenchymal progenitor cells to recreate desirable tissues, it is increasingly necessary to characterize the vast nature of biological responses imposed by physical phenomena. Sowa, M. J., Yemane, Y., Prinz, F. B., Provine, J. Plasma-Enhanced Atomic Layer Deposition of SiN-AIN Composites for Ultra Low Wet Etch Rates in Hydrofluoric Acid. Kim, Y., Provine, J., Waich, S. P., Park, J., Phuthong, W., Dadlani, A. L., Kim, H., Schindier, P., Kim, K., Prinz, F. B. View details for Web of Science ID 000316846700034. Chao, C., Park, J. S., Tian, X., Shim, J. H., Gr, T. M., Prinz, F. B. Park, J. S., Holme, T. P., Shim, J. H., Prinz, F. B. -C., Kao, J. Langston, M. C., Dasgupta, N. P., Jung, H. J., Logar, M., Huang, Y., Sinclair, R., Prinz, F. B. Thickness effects of yttria-doped ceria interlayers on solid oxide fuel cells, Nickel Silicide Nanowire Arrays for Anti-Reflective Electrodes in Photovoltaics. Stampfl, J., Leitgeb, R., Cheng, Y. L., Prinz, F. B. mu-Mold Shape Deposition Manufacturing of ceramic parts. Here, we present a controllable and reliable method, which combines versatile solution phase chemistry and rapid flame annealing process (sol-flame), to dope TiO2 NWs with cobalt (Co). Amon, C. H., Schmaltz, K. S., Merz, R., Prinz, F. B. Laser deposition of metals for shape deposition manufacturing. 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. Mr. Hettrich also served as a Business Analyst at McKinsey & Company, a management consulting firm, from September 2004 to July 2007. High performance Bi-layered electrolytes via atomic layer deposition for solid oxide fuel cells. It took five years of experimentation to find it, Singh said, and five more to . Torgersen, J., Acharya, S., Dadlani, A. L., Petousis, I., Kim, Y., Trejo, O., Nordlund, D., Prinz, F. B. Oscillatory barrier-assisted Langmuir-Blodgett deposition of large-scale quantum dot monolayers. 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. And the ceramic separator is non-flammable and noncombustible, making our batteries safer than conventional lithium-ion batteries. Mechanical masking of films deposited by atomic layer deposition, Surface-Modified Low-Temperature Solid Oxide Fuel Cell. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. Our innovative battery cell technology can store energy more efficiently and reliably than today's lithium-ion batteries. This high resolution cell seeding method allows accurate manipulation of cell placement in thin layers of biodegradable polymers. Indeed, grain boundary engineering can alter transport and kinetic properties by several orders of magnitude. Motoyama, M., Chao, C., Guer, T. M., Prinz, F. B. Epitaxial and Polycrystalline Gadolinia-Doped Ceria Cathode Interlayers for Low Temperature Solid Oxide Fuel Cells. Mr. McCarthy holds a B.A. High aspect ratio and high breakdown strength metal-oxide capacitors. In this paper, we describe the design of the tool and demonstrate its capability for atomic resolution STM imaging, atomic layer deposition, and the combination of the two techniques for in situ characterization of deposition. Dong, J. P., Kao, J. H., Pinilla, J. M., Chang, Y. C., Prinz, F. B. Lee, S., J., Cha, S., W., Liu, Y., C., O'Hayre, R., Prinz, F., B. Nam, S., W., Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. Prinz, F., B., Kohl, F., Fasching, R., Glanninger, A., Jachimowicz, A., Chabicovsky, R. Compact graph representation for Solid Freeform Fabrication (SFF). These insights will help design high-efficiency SOFCs that operate at low temperatures with power densities that are of practical significance.

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