Local accumulation and dissipation of charges on the surface of oxide ion conductors resulting from electric potentials were observed with conductive atomic force microscopy (AFM). View details for Web of Science ID 000259676000007. QuantumScape is headquartered in San Francisco, California and was founded in 2010 by Fritz Prinz, Jagdeep Singh, and Tim Holme. O'Hayre, R., Lee, S. J., Cha, S. W., Prinz, F. B. Capacitive blade tip clearance measurements for a micro gas turbine. A microfabricated direct methanol fuel cell with integrated electroosmotic pump. Fessler, J. R., Merz, R., Nickel, A. H., Prinz, F. B., Weiss, L. E. Shape Deposition Manufacturing of wearable computers. in Computer Science from Stanford University. Kim, Y. Ryu, W., Fasching, R. J., Vyakarnam, M., Greco, R. S., Prinz, F. B. An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. Electrical properties of YSZ thin films deposited on nanoporous substrates. 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. Observing the Nucleation Phase of Atomic Layer Deposition In Situ. A. Micro-Scale Radial-Flow Compressor Impeller Made of Silicon Nitride: Manufacturing and Performance. Aberration-Corrected TEM Imaging of Oxygen Occupancy in YSZ. 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. Mr. Hettrich has served as QuantumScapes Chief Financial Officer and head of Business Operations since September 2018. Characterizations of the TiO2:Co NWs show that Co dopants exhibit 2+ oxidation state and substitutionally occupy Ti sites in the TiO2 lattice. Prinz, F., B., Fabian, T., Brasseur, G., Hauser, H. The Mesicopter: A Meso-Scale Flight Vehicle. Effects of Ion Irradiation on the Performance of Solid Oxide Fuel Cells. The diketonate precursors have stronger bonds to the metals than the Cp precursors, but weaker bonds within the ligand, explaining the carbon contamination found in experimentally grown films. Liang, D. H., Park, B. H., Koolwal, A., Prinz, F. The influence of size scale on the performance of fuel cells, Electrochemical nanopatterning of Ag on solid-state ionic conductor RbAg4I5 using atomic force microscopy. 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. Dr. Holme holds a B.S. For Pt clusters supported on HOPG with vacancy aggregations, this study shows a strong driving force for nucleation and a much enhanced tendency for particle ripening. HEMMERLE, J. S., Terk, M., GURSOZ, E. L., Prinz, F. B., Doyle, T. E. Integrated miniaturized biosensors for clinical analyzers and in vivo applications. 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 mechanism of quantum confinement also indicates that the localized properties within individual QDs should depend on their shape in addition to their size, but direct observations of this effect have proven challenging due to the limited spatial resolution of measurement techniques at this scale and the ability to remove contributions from the surroundings. 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. Cha, S. W., O'Hayre, R., Lee, S. J., Saito, Y., Prinz, F. B. 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. The Co dopant concentration significantly affects the oxygen evolution reaction (OER) activity of TiO2:Co NWs, and the TiO2:Co NWs with 12 at% of Co on the surface show the highest OER activity with a 0.76 V reduction of the overpotential with respect to undoped TiO2 NWs. 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. 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. 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. 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. These insights will help design high-efficiency SOFCs that operate at low temperatures with power densities that are of practical significance. 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. Ryu, W., H., Min, S., Fasching, R., Prinz, F. Proton Transport Membranes for Fuel Cells: Polymeric versus Dense Ceramic". Ryu, W., Hammerick, K. E., Kim, Y. Lee, S. J., Cha, S. W., O'Hayre, R., Chang-Chien, A., Prinz, F. B. Enhanced Oxygen Exchange on Surface-Engineered Yttria-Stabilized Zirconia. A CAD integration framework for designing devices with atomic scale resolution. A new selection method for atomic layer deposition (ALD) or chemical vapor deposition (CVD) precursors is proposed and tested. QuantumScape Corporation 2020 Equity Incentive Plan Form of Restricted Stock Unit Agreement 8-K 001-39345 10.10 December 2, 2020 4.6 QuantumScape Corporation 2020 Equity Incentive Plan Form of Restricted Stock Agreement. Employing 50 Hz direct current electric fields in concert with and without osteogenic factors, we demonstrated increased early osteoblast-specific markers. A novel miniaturized sensor for carbon dioxide dissolved in liquids. Enhancing charge transfer kinetics by nanoscale catalytic cermet interlayer. A micro-fabrication technology was used to shape an array of micro-orifices and micro-cavities in 85/15PLGA layers. Prior to joining QuantumScape, he was a Research Associate at Stanford University from June 2008 to January 2011. Laser-SNMS depth profiling of thin film multilayers: study of a Pt-Ti biosensor for glucose detection. Structural and compositional analysis of solid oxide fuel cell electrolytes using transmission electron microscopy. 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. Pt-Ar-HOPG shows slightly enhanced catalytic activity towards oxygen. Frank Blome Independent Director. in Mechanical Engineering, and a Ph.D. in Mechanical Engineering from Stanford University. B., Park, J. S., An, J., Guer, T. M., Prinz, F. B. The scaling behavior of flow patterns: a model investigation. Math Consultoria Med Trabalho in So Paulo, reviews by real people. Headquartered in San Jose, California, the company is currently worth $ 50 billion and is funded by Bill Gates and Volkswagen. 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)). Huang, H., Gur, T. M., Saito, Y., Prinz, F. Geometric artefact suppressed surface potential measurements, Nanoscale electrochemical probes for single cell analysis. Kim, Y., B., Chao, C. -C., Gr, T., M., Prinz, F., B. in Business Administration from U.C. Cheng, Y. L., Stampfl, J., Leitgeb, R., Prinz, F. B. The photocathodic hydrogen evolution reaction (HER) from p-type Si nanowire (NW) arrays was evaluated using platinum deposited by atomic layer deposition (ALD) as a HER cocatalyst. Silver Nanomesh as a Cathode for Solid Oxide Fuel Cells. Mack, J. F., Van Stockum, P. B., Iwadate, H., Prinz, F. B. ALD for clean energy conversion, utilization, and storage. Komadina, J., Kim, Y. 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. Here we demonstrate a new technique for fabrication of quantum dots during the nucleation stage of atomic layer deposition (ALD) of PbS. View details for Web of Science ID 000317317500017. 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. QuantumScape Gender Male Prof. Fritz Prinz is the Chairman of Mechanical Engineering at Stanford University. From least to most stiff, the order of cell stiffness was as follows: hASC-iPSC, human embryonic stem cell, fibroblast-iPSC, fibroblasts, and, lastly, as the stiffest cell, hASC. PbS quantum well structures with a thickness range of 1-20nm were fabricated by atomic layer deposition (ALD). Link, G. R., Fessler, J., Nickel, A., Prinz, F. Functional gradient metallic prototypes through shape deposition manufacturing. In vivo O-2 measurement inside single photosynthetic cells. Fuel cell performance of the corrugated electrolyte membranes released from silicon substrate showed an increase of power density relative to membranes with planar electrolytes. Fessler, J., Nickel, A., Link, G., Prinz, F., FUSSELL, P. The Compact Graph Format: An Interchange Standard for Solid Freeform Fabrication. 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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. View details for DOI 10.1016/j.jconrel.2007.08.024. QuantumScape has developed some impressive technology but sustaining the current valuation could prove a challenge too far. 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. In vivo electrochemical impedance measurement on single cell membrane, Effect of crystallinity on proton conductivity in yttrium-doped barium zirconate thin films. 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. 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. In this study a particular emphasis was given to characterization of the material properties of the biodegradable polymers undergoing the 3D-BMS processes. Fan, Z., Chao, C., Hossein-Babaei, F., Prinz, F. B. Stress-driven grain growth in nanocrystalline Pt thin films. Fabian, T., Posner, J. D., O'Hayre, R., Cha, S., Eaton, J. K., Prinz, F. B., Santiago, J. G. High ionic conductivity in ultrathin nanocrystalline gadolinia-doped ceria films. Plasma Processing for Crystallization and Densification of Atomic Layer Deposition BaTiO3 Thin Films. Consequently, PbS thin films were grown selectively only where ODTS was not present, whereas deposition was blocked in regions where ODTS was grown. 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. Lee, S. J., Chang-Chien, A., Cha, S. W., O'Hayre, R., Park, Y. I., Saito, Y., Prinz, F. B. View details for DOI 10.1016/j.actbio.2011.05.011, View details for Web of Science ID 000294040900009. We were also able to establish that commonly reported artifacts of electric field stimulation are not the primary mediators of the observed effects. An, J., Kim, Y., Guer, T. M., Prinz, F. B. Ion conducting oxides are commonly used as electrolytes in electrochemical devices including solid oxide fuel cells and oxygen sensors. A., Su, P., Prinz, F. B., Hemker, K. J. 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. 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. FRITZ PRINZ, Founder & Chief Scientific Advisor (Board Member) Professor, Mechanical Engineering, Stanford Effect of High Surface Area Pd Electrodes on SOFC Performance at 350 degrees C. Komadina, J., Motoyama, M., Kim, Y. Mr. McCarthy also currently serves on the board of QSV Operations LLC. For cells with unmixed and fully mixed cermet interlayers, the maximum power density was enhanced by a factor of 1.5 and 1.8 at 400 C, and by 2.3 and 2.7 at 450 C, respectively, when compared to control cells with no cermet interlayer.