To increase the electrochemically active surface area, yttria-stabilized zirconia membranes with thickness of 70 nm were deposited onto prepatterned silicon substrates. Conventional photolithography was used to create oxide patterns on which ODTS SAMs were selectively grown. Adipose-derived stromal cells (ASCs) constitute a promising source of cells for regenerative medicine applications. Prior to joining QuantumScape, he was a Research Associate at Stanford University from June 2008 to January 2011. Prinz, F., B., Hanreich, G., Nicolics, J., Fasching, R. Automated fabrication of complex molded parts using mold shape deposition manufacturing. 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. Influence of the grain size of samaria-doped ceria cathodic interlayer for enhanced surface oxygen kinetics of low-temperature solid oxide fuel cell. For more information, please visit www.quantumscape.com . 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. 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. Gurumoorthy, B., Kirchner, H. O., Prinz, F. B., Sinclair, G. B. Komadina, J., Kim, Y. The company is on a mission to revolutionize energy storage to enable a sustainable future. In 2018, Volkswagen invested $100 million in the company, becoming the largest shareholder. Wang, H., Lu, Z., Xu, S., Kong, D., Cha, J. J., Zheng, G., Hsu, P., Yan, K., Bradshaw, D., Prinz, F. B., Cui, Y. Mr. Singh co-founded QuantumScape and has served as its Chief Executive Officer since QuantumScapes incorporation in May 2010. Effect of Cation Non-Stoichiometry and Crystallinity on the Ionic Conductivity of Atomic Layer Deposited Y:BaZrO3 Films. Interlayering 17.5 nm of Yttria-doped ceria (YDC) thin films between bulk yttria-stabilized-zirconia electrolyte and a porous Pt cathode enhanced the performance of low-temperature solid oxide fuel cells. H(2)S is used as a reactant for the ALD of metal sulfides. Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. Doping nanowires (NWs) is of crucial importance for a range of applications due to the unique properties arising from both impurities' incorporation and nanoscale dimensions. HEMMERLE, J. S., Terk, M., GURSOZ, E. L., Prinz, F. B., Doyle, T. E. Integrated miniaturized biosensors for clinical analyzers and in vivo applications. Tim Holme, and Fritz B. Prinz in May 2010 and is . 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. Pt-Ar-HOPG shows slightly enhanced catalytic activity towards oxygen. 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. ENERGY TRANSFER BETWEEN QUANTUM DOTS OF DIFFERENT SIZES FOR QUANTUM DOT SOLAR CELLS, Kinetic Monte Carlo Simulations of Solid Oxide Fuel Cell. 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. Prinz, F., B., Aschauer, E., Fasching, R., Varahram, M., Jobst, G., Urban, G. Shape deposition manufacturing of heterogeneous structures. 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. Using such nanofilms after different degree of Li intercalation, we show the significant improvement of the hydrogen evolution reaction activity. 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. Dasgupta, N. P., Walch, S. P., Prinz, F. B. Huang, H., Shim, J., H., Chao, C., C., Pornprasertsuk, R., Sugawara, M., Gr, T., M., Prinz, F. B. In-Plane Conductivities of Atomic Layer Deposited Yttria-Stabilized Zirconia Electrolytes for Solid Oxide Fuel Cells. Efficiency enhancement of solid-state PbS quantum dot-sensitized solar cells with Al2O3 barrier layer. Previous studies of osteogenic potential in ASCs have focused on chemicals, growth factors, and mechanical stimuli. O'Hayre, R., Lee, S. J., Cha, S. W., Prinz, F. B. Capacitive blade tip clearance measurements for a micro gas turbine. This special Bloomberg program highlights the event's biggest interviews and news makers. This result may represent an initial step in generating "high efficiency" bioelectricity by directly harvesting high energy photosynthetic electrons. An Image-Based Localization Algorithm for Catheter Navigation in the Left Atrium. View details for DOI 10.1016/j.actbio.2011.05.011, View details for Web of Science ID 000294040900009. 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. Prinz, F., B., Fasching, R., Kohl, F., Urban, G., Jobst, G., Keplinger, F. NEXT GENERATION MANUFACTURING TASK PLANNER FOR ROBOTIC ARC-WELDING. 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. Ryu, W., Bai, S., Park, J. S., Huang, Z., Moseley, J., Fabian, T., Fasching, R. J., Grossman, A. R., Prinz, F. B. Quantumscape's Founder & CEO, Board Chairman is Jagdeep Singh. Dadlani, A. L., Schindler, P., Logar, M., Walch, S. P., Prinz, F. B. 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. Here we demonstrate a new technique for fabrication of quantum dots during the nucleation stage of atomic layer deposition (ALD) of PbS. Cha, S. W., O'Hayre, R., Lee, S. J., Saito, Y., Prinz, F. B. Development of portable fuel cell arrays with printed-circuit technology. View details for Web of Science ID 000293035200047, View details for Web of Science ID 000291339000040. High-density multi-layer connection technology for MEMS and CMOS applications. Thus, we have developed an open micro-fluidic channel system (OMFC) in which individual cells can be immobilized in micro-traps by capillary flow. Dasgupta, N. P., Jung, H. J., Trejo, O., McDowell, M. T., Hryciw, A., Brongersma, M., Sinclair, R., Prinz, F. B. The tubular MEAs are nominally 5 m long and have <500 nm outside diameter with total MEA thickness of nearly 50 nm. B., Kim, J. 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. Musician Enhanced oxygen exchange on surface-engineered yttria-stabilized zirconia. Berkeley and a M.S. An, J., Kim, Y., Park, J., Gur, Turgut, M., Prinz, Fritz, B. The stiffness differences are not dependent on cell culture density; hence, material differences between cells cannot be attributed solely to cell-cell constraints. B., Shim, J. H., Kang, S., Guer, T. M., Prinz, F. B. However, existing doping methods face the challenge of simultaneous control over the morphology, crystallinity, dopant distribution and concentration at the nanometer scale. Fabian, T., Kang, S., Prinz, F., Brasseur, G. Fabrication of ceramic components for micro gas turbine engines. The OMFC was further studied using simulation packages for optimal design conditions. In vivo electrochemical impedance measurement on single cell membrane, Effect of crystallinity on proton conductivity in yttrium-doped barium zirconate thin films. 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. 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. Electric potentials of NWs at the probe tip can be measured. 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. 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. 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. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. Electrical properties of YSZ thin films deposited on nanoporous substrates. This is made possible by nanostructuring of the ultrathin (60 nm) electrolyte interposed with a nanogranular catalytic interlayer at the cathode/electrolyte interface. 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. Kobayashi, K. G., Fujii, M., Prinz, F. B. 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. Amon, C. H., Merz, R., Prinz, F. B., Schmaltz, K. S. Robot-Assisted Shape Deposition Manufacturing. Additionally, their galvanotactic response appears to share classic chemotactic signaling pathways that are involved in the migration of other cell types. Band gap measurements were carried out by STS, and an effective mass theory was developed to compare the experimental results. Pamela Fong is QuantumScapes Chief of Human Resources Operations, leading people strategy and operations, including talent acquisition, organizational development and employee engagement. Oxide-ion density distribution near a grain boundary simulated by molecular dynamics corroborated well with experimental results. Live from New York, is focused on bringing you. For a sample with a surface potential discontinuity, the FM-EFM resolution expression agrees with the literature; however, the simulation for AM-EFM suggests the existence of an optimal tip radius of curvature in terms of resolution. 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. Insiders are officers, directors, or significant investors in a company. Local delivery of basic fibroblast growth factor (bFGF) over a specific dose and time course is critical for mesenchymal tissue regeneration. Fabrication of Nanotubular Membrane Electrode Assembly for A Solid Oxide Fuel Cell. Thermal stabilities of nanoporous metallic electrodes at elevated temperatures. View details for DOI 10.1073/pnas.1316792110, View details for DOI 10.1016/j.actamat.2013.09.003, View details for Web of Science ID 000328179700013. The sol-flame doping method not only preserves the morphology and crystallinity of the TiO2 NWs, but also allows fine control over the Co dopant profile by varying the concentration of Co precursor solution. A single cell was immobilized in the micro-fluidic system and a nano-probe was inserted into the cytosolic space of the single cell. Fasching, R. J., Tao, Y., Hammerick, K., Prinz, F. B. Dr. Holme holds a B.S. 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. View details for DOI 10.1007/s40684-014-0025-0, View details for Web of Science ID 000340035500004. Park, J. S., Holme, T. P., Shim, J. H., Prinz, F. B. 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. Cha, S. W., O'Hayre, R., Park, Y., Prinz, F. B. See the full leadership team at Craft. Design and tuning of a vacuum microplasma spray system: Particle entrainment. We show significant oxygen deficiency due to segregation of oxide-ion vacancies near the grain-boundary core with half-width < 0.6nm. QuantumScape was formed in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz from Stanford University. 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. An, J., Koh, A. L., Park, J. S., Sinclair, R., Guer, T. M., Prinz, F. B. Engineering artificial tissue scaffolds with a similar organization to that of the natural tissue is a key element to the successful recapitulation of function. Metal NWs are grown by electrodeposition on the scanning probe tip. Lee, W., Dasgupta, N. P., Trejo, O., Lee, J., Hwang, J., Usui, T., Prinz, F. B. One NW can be selected to remain by focused ion beam technique. Discharged Charged Next-Generation Mobility 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. QuantumScape Corporation is a U.S.-based technology development company focused on solid-state technology for the EV industry. Exploring the local electronic structure and geometric arrangement of ALD Zn(O,S) buffer layers using X-ray absorption spectroscopy. Prinz, F., B., Fabian, T., Brasseur, G., Hauser, H. The Mesicopter: A Meso-Scale Flight Vehicle. He is the Director of Rapid Prototyping Laboratory and the Co-Director of Alliance of Innovative Manufacturing at Stanford. Increased Cathodic Kinetics on Platinum in IT-SOFCs by Inserting Highly Ionic-Conducting Nanocrystalline Materials, In vitro effects of direct current electric fields on adipose-derived stromal cells. 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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. Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. 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. Kim, Y. 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). View details for Web of Science ID 000288061500003, View details for DOI 10.1103/PhysRevB.83.052301, View details for Web of Science ID 000287358900001. B., Park, J. S., Shim, J. H., Guer, T. M., Prinz, F. B. Investigation of transport phenomena in micro flow channels for miniature fuel cells. Huang, H., Holme, Tim, P., Prinz, Fritz, B. Link, G., Huntley, T., Nickel, A., Leitgeb, R., Nguyen, T., Prinz, F. Expanding the design space through innovative design and manufacturing processes, Additive/subtractive material processing for mesoscopic parts. 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. Frank Blome Independent Director. 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. Finger, S., Stivoric, J., Amon, C., Gursoz, L., Prinz, F., Siewiorek, D., Smailagic, A., Weiss, L. Rapid design and manufacture of wearable computers. (QIA) holds a 4.69% stake in Quantumscape Corp (QS.N), which is developing batteries for electric cars, a Securities and . Mr. McCarthy holds a B.A. In the future, arrays of micro-SOFCs with high power density may enable a range of mobile and portable power applications. The quantitative exploration of the lower limits of Pt cocatalyst loading reported here, and its application to high-surface-area NW photoelectrodes, establish a general approach for minimizing the cost of precious-metal cocatalysts for efficient and affordable solar-to-fuel applications.
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