Direct Extraction of Photosynthetic Electrons from Single Algal Cells by Nanoprobing System. Weiss, L., Prinz, F., Neplotnik, G., Padmanabhan, K., Schultz, L., Merz, R. Miniaturisierte, integrierte Biosensoren fr Glucose- und Lactat - Monitoring. Cho, I. S., Logar, M., Lee, C. H., Cai, L., Prinz, F. B., Zheng, X. Nanostructuring Methods for Enhancing Light Absorption Rate of Si-Based Photovoltaic Devices: A Review. Fabian, T., O'Hayre, R., Litster, S., Prinz, F. B., Santiago, J. G. Atomic Layer Deposition (ALD) Co-Deposited Pt-Ru Binary and Pt Skin Catalysts for Concentrated Methanol Oxidation. We present atomic-scale imaging of oxygen columns and show quantitative analysis on the occupancy of the columns in yttria-stabilized zirconia (YSZ) using aberration-corrected TEM operated under the negative Cs condition. Silver Nanomesh as a Cathode for Solid Oxide Fuel Cells. Active water management for proton exchange membrane fuel cells using an integrated electroosmotic pump. A., Su, P., Prinz, F. B., Hemker, K. J. Lee, H., Park, S. B., Oh, M., Coo, K., Park, Y., Suzuki, S., Nagai, M., Prinz, F. B. Atomistic simulations of surface segregation of defects in solid oxide electrolytes, Pulsed Direct Current Electric Fields Enhance Osteogenesis in Adipose-Derived Stromal Cells. An, J., Kim, Y. View details for DOI 10.1007/s40684-014-0025-0, View details for Web of Science ID 000340035500004. Ion conducting oxides are commonly used as electrolytes in electrochemical devices including solid oxide fuel cells and oxygen sensors. Replacing this century-old technology wont happen overnight, but with the help of our automotive partners, our dedicated team of world-class scientists and engineers is working around the clock to put our breakthrough, solid-state technology on the road as soon as possible. in Environment and Resources from Stanford University. The company was formed to address the most prevalent issue in the EV space, battery . A strong correlation between such tunable material properties and hydrogen evolution reaction activity is established. Play over 265 million tracks for free on SoundCloud. 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. In Situ Cycle-by-Cycle Flash Annealing of Atomic Layer Deposited Materials. Lee, S. J., Chang-Chien, A., Cha, S. W., O'Hayre, R., Park, Y. I., Saito, Y., Prinz, F. B. A new selection method for atomic layer deposition (ALD) or chemical vapor deposition (CVD) precursors is proposed and tested. Park, Y. I., Saito, Y., Pornprasertsuk, R., Cheng, J., Cha, S. W., Prinz, F. B. Jee, Y., Cho, G. Y., An, J., Kim, H., Son, J., Lee, J., Prinz, F. B., Lee, M. H., Cha, S. W. Electrodeposition and Behavior of Single Metal Nanowire Probes, Proton incorporation in yttria-stabilized zirconia during atomic layer deposition. Liu, H., C., Stampfl, J., Kang, S., Prinz, F., B. What is. Effect of Cation Non-Stoichiometry and Crystallinity on the Ionic Conductivity of Atomic Layer Deposited Y:BaZrO3 Films. A $43 billion lab. Insight and analysis of top stories from our award winning magazine "Bloomberg Businessweek". Energy States of Ligand Capped Ag Nanoparticles: Relating Surface Plasmon Resonance to Work Function. This report presents a demonstration and characterization of a nanotubular array of solid oxide fuel cells (SOFCs) made of one-end-closed hollow tube Ni/yttria-stabilized zirconia/Pt membrane electrode assemblies (MEAs). in Mechanical Engineering, and a Ph.D. in Mechanical Engineering from Stanford University. 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. 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. 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. Processing and microstructures of fiber Bragg grating sensors embedded in stainless steel. In addition, oxide ion conductivity at a low temperature range (100-200 degrees C) was obtained, and the activation energy for diffusion in gadolinia-doped ceria (GDC) was calculated as approximately 0.56 eV, implying that the majority of oxide ion vacancies diffuse on the surface rather than inside the bulk of the electrolyte. Stanford Scientists Create a Billionaire Factory. O'Hayre, R., Lee, S. J., Cha, S. W., Prinz, F. B. Capacitive blade tip clearance measurements for a micro gas turbine. 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. Kroo, I., Prinz, F., Leitgeb, R., Cheng, Y., L. Automated layer decomposition for additive/subtractive Solid Freeform Fabrication. 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. B., Holme, T. P., Guer, T. M., Prinz, F. B. Here we demonstrate a new technique for fabrication of quantum dots during the nucleation stage of atomic layer deposition (ALD) of PbS. This high resolution cell seeding method allows accurate manipulation of cell placement in thin layers of biodegradable polymers. Fuel Cells for Intermediate Temperature Operation. 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. Kim, Y. Fabrication and Characterization of Lead Sulfide Thin Films by Atomic Layer Deposition. INCREASED CATHODIC KINETICS IN IT-SOFCs BY INSERTING HIGHLY-CONDUCTIVE NANOCRYSTALLINE MATERIALS, Opportunities of ALD for Thin Film Solid Oxide Fuel Cells, Oxidative Removal of Self-Assembled Monolayers for Selective Atomic Layer Deposition. View details for DOI 10.1088/0957-4484/19/03/035710, View details for DOI 10.1016/j.jpowsour.2007.09.066, View details for Web of Science ID 000252513100009, View details for Web of Science ID 000272018400004, View details for Web of Science ID 000258976500020, View details for Web of Science ID 000262710700009, View details for Web of Science ID 000272018400002, View details for Web of Science ID 000272018400018, View details for Web of Science ID 000271859300058. 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. Local delivery of basic fibroblast growth factor (bFGF) over a specific dose and time course is critical for mesenchymal tissue regeneration. With the aid of micro-fabrication technology, a novel scaffolding method for biodegradable polymers such as polylactic acid (PLA), polyglycolic acid (PGA), and the copolymers poly(lactide-co-glycolide)(PLGA), was developed to construct three-dimensional multi-layer micro-fluidic tissue scaffolds. Endogenous electric fields play an important role in embryogenesis, regeneration, and wound repair and previous studies have shown that many populations of cells, leukocytes, fibroblasts, epithelial cells, and endothelial cells, exhibit directed migration in response to electric fields. 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. View details for Web of Science ID 000317317500017. Direct water removal in gas diffusion layer of porton exchnage membrane fuel cells by a flexible electroosmotic pump. 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. Active water management at the cathode of a planar air-breathing polymer electrolyte membrane fuel cell using an electroosmotic pump. We found smaller values of the lowest available transition energies and an increased density of electronic states in the space between quantum dots with shorter interparticle spacing, indicating extension of carrier wave functions as a result of interparticle electronic coupling. An, J., Kim, Y., Guer, T. M., Prinz, F. B. Mr. Hettrich is QuantumScapes Chief Financial Officer. Komadina, J., Kim, Y. Highly oriented pyrolytic graphite (HOPG) implanted with N, Ar and B is studied as a support for platinum nanoparticle catalysts for fuel cells. Complete QuantumScape Corp. Cl A stock information by Barron's. View real-time QS stock price and news, along with industry-best analysis. Further extension of these techniques to create a micro-vascular network within or between layers is possible. Prinz, F., B., Fasching, R., Keplinger, F., Aschauer, E., Urban, G. Miniaturisierte Dnnschicht-Blutgassensoren fr die in vivo und ex vivo Diagnostik. Park, Y. I., Cha, S. W., Saito, Y., Prinz, F. B. Tim Holme, and Fritz B. Prinz in May 2010 and is . Yelp is a fun and easy way to find, recommend and talk about what's great and not so great in So Paulo and beyond. 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. Atomic Layer Deposition of Mixed Conducting Cathodes for Solid Oxide Fuel Cells, Fabrication and Characterization of Lead Sulfide Thin Films by Atomic Layer Deposition". . 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. 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. 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. QuantumScape was founded in 2010 by Jagdeep Singh, Tim Holme and Professor Fritz Prinz of Stanford University. Quadros, W. R., Ramaswami, K., Prinz, F. B., Gurumoorthy, B. For more information, please visit www.quantumscape.com . Furthermore, this ALD Pt resulted in fuel cell performance comparable to that achieved by 80 nm-thick sputtered Pt. CORPORATE FACT SHEET About QuantumScape QuantumScape, founded in 2010 in California, is a leader in the development . However, bFGF is degraded quickly in vivo and difficulty of controlling the dose level impedes its effective use in angiogenesis and tissue regeneration. 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. Electric fields may show promise as candidate enhancers of osteogenesis of ASCs and may be incorporated into cell-based strategies for skeletal regeneration. Second, Pt catalyst particle nucleation and agglomeration is studied. View details for DOI 10.1088/0957-4484/20/44/445706, View details for Web of Science ID 000270562900028. Cha, S. W., O'Hayre, R., Park, Y., Prinz, F. B. High-performance ultrathin solid oxide fuel cells for low-temperature operation. By 2012, it claimed investors like Bill Gates and Volkswagen. Shim, Joon, H., Cha, S. W., Gr, Turgut, M., Prinz, F., B. Chang, Y. C., Saha, M., Prinz, F., Latombe, J. C., Pinilla, J. A customized atomic layer deposition (ALD) reactor was designed with components compatible with hydrogen sulfide (H(2)S) chemistry. It was recently worth about $4 billion. In comparing hASC-iPSCs to their origin cell, the hASC, the reprogrammed cell is significantly less stiff, indicating that greater differentiation potentials may correlate with a lower cellular modulus. Mr. Singh holds a B.S. This page provides a comprehensive analysis of the known insider trading history of Fritz Prinz. Chang, Y., Ramaswami, K., Pinilla, M., Walch, S., Prinz, F. Measurement of temperature and reaction species in the cathode diffusion layer of a free-convection fuel cell. Hartmann, K., Krishnan, R., Merz, R., Neplotnik, G., Prinz, F., Schultz, L. Creating an Advanced Collaborative Open Resource Network. 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. 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. We investigated the capability of ODTS self-assembled monolayers (SAMs) to deactivate the ALD PbS surface reactions as a function of dipping time in ODTS solution. Bae, J., Hong, S., Koo, B., An, J., Prinz, F. B., Kim, Y. Prinz, F., B., Hanreich, G., Nicolics, J., Fasching, R. Automated fabrication of complex molded parts using mold shape deposition manufacturing. Effects of Ion Irradiation on the Performance of Solid Oxide Fuel Cells. The use of H(2)S in an ALD reactor requires special attention to safety issues due to its highly toxic, flammable, and corrosive nature. Sol-flame synthesis of cobalt-doped TiO2 nanowires with enhanced electrocatalytic activity for oxygen evolution reaction. Active Water Management for PEM Fuel Cells. Stampfl, J., Liu, H. C., Nam, S. W., Kang, S., 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. The shares were sold at an average price of $13.30, for a transaction totalling $3,595,003.30. 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. View details for DOI 10.1016/j.jpowsour.2013.12.001, View details for Web of Science ID 000331160100015. Prior to joining QuantumScape, he was a Research Associate at Stanford University from June 2008 to January 2011. The electric fields caused marked changes in the cytoskeleton. Thermal stresses and deposition patterns in layered manufacturing. The calculations attribute the catalytic activity changes primarily to changes in the workfunction and secondarily to the d-band structure of supported Pt particles. Musician The scaling behavior of flow patterns: a model investigation. Ryu, W., Hammerick, K. E., Kim, Y. Trends for Ba and Sr followed each other closely, reflecting the similar chemistry among alkaline earth metals. Logar, M., Xu, S., Acharya, S., Prinz, F. B. Fessler, J. R., Merz, R., Nickel, A. H., Prinz, F. B., Weiss, L. E. Shape Deposition Manufacturing of wearable computers. 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. It operates from room temperature up to 200 C, and at pressures from 1 10(-6) Torr to 1 10(-2) Torr. Automated planning for material shaping operations in additive/subtractive Solid Freeform Fabrication. QuantumScape was founded in 2010, with the goal to create a solid-state lithium battery. The focus was on the development solid-state lithium-ion batteries, which are generally . Therefore, quantitative analysis is crucial to understanding the relationship between the actual local surface potential distribution and the quantities obtained from EFM measurements. The release response to the different micro-geometry was prominent and further analyzed by FEM simulation. 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). Human fibroblast and hASC stiffness was also ascertained for comparison. Prinz, F., B., Gowrishankar, V., Hutton, D., Fluhrer, C., Dasgupta, N. Water Removal from Proton Exchange Membrane Fuel Cells via Electroosmotic Pumping. Kim, Y., B., Chao, C. -C., Gr, T., M., Prinz, F., B. Approaching the limits of dielectric breakdown for SiO2 films deposited by plasma-enhanced atomic layer deposition. Other executives include Fritz Prinz, Founder & Chief Scientific Advisor, Board Member; Timothy Holme, Founder & Chief Technology Officer and 15 others. in Economics from Pomona College, a M.B.A. from Stanford Graduate School of Business, and a M.S. However, generally only a small fraction of solar energy absorbed by photosynthetic organisms is converted to a form of energy that can be readily exploited. 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. Laser-SNMS depth profiling of thin film multilayers: study of a Pt-Ti biosensor for glucose detection. The stiffness differences are not dependent on cell culture density; hence, material differences between cells cannot be attributed solely to cell-cell constraints. 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. The addition of the 1 nm film led to an increase of the maximum power density of a low-temperature solid oxide fuel cell (LT-SOFC) by a factor of 1.50 at 400 degrees C. The enhanced performance can be attributed to an increased oxide ion incorporation rate on the surface of the modified electrolyte. The results demonstrate that electrolyte surface engineering with ALD can have a meaningful impact on the performance of electrochemical devices. Prior to joining QuantumScape, he was the Chief Administrative Officer at Infinera Corporation from April 2003 to March 2013. Nam, S. W., Stampfl, J., Liu, H. C., Kang, S., Prinz, F. B. Prinz, F., B., Weiss, L., Amon, C., Beuth, J. CNC Cutter Path Generation in Shape Deposition Manufacturing. The Air/Platinum/Nafion triple-phase boundary: Characteristics, scaling, and implications for fuel cells, Ion irradiation effects in solid oxide fuel cell electrolytes. In this study a particular emphasis was given to characterization of the material properties of the biodegradable polymers undergoing the 3D-BMS processes. Most recently, Fritz Prinz sold 270,301 shares of the business's stock in a transaction on Monday, August 15th. 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. 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. Prof. Fritz Prinz, co-founder of . 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. Berkeley and a M.S. Dasgupta, N. P., Neubert, S., Lee, W., Trejo, O., Lee, J., 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. 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. However, the high operating temperatures of current SOFCs limit their adoption in mobile applications. Ryu, W., H., Fasching, R., Hammerick, K., Min, S., Prinz, F., B. Correlation of film density and wet etch rate in hydrofluoric acid of plasma enhanced atomic layer deposited silicon nitride. We report the use of scanning tunneling spectroscopy (STS) to investigate one-dimensional quantum confinement effects in lead sulfide (PbS) thin films. Effects of size polydispersity on electron mobility in a two-dimensional quantum-dot superlattice. We constructed biodegradable micro-osmotic pumps based on MEMS technology for long-term controlled release of bFGF. 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). Atomic Layer Deposited Yttria Stabilized Zirconia Barrier Layer for Proton Conducting Oxide (Invited). 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. Our findings show that iPSCs can be derived from human adipose-derived stromal cells (hASCs), a notable advancement in the clinical applicability of these cells. 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. Bai, S., Fabian, T., Prinz, F. B., Fasching, R. J. Lee, S. J., Cha, S. W., O'Hayre, R., Chang-Chien, A., Prinz, F. B. Fritz Prinz owns about 259,302 units of Quantumscape Corp common stock. Experimentally, we find that Pt supported by N-HOPG is more disperse, more catalytically active and suffers less particle ripening than native HOPG, while Pt supported on Ar-irradiated HOPG is slightly more active but ripens more than Pt on native HOPG. The reactor was designed with respect to materials compatibility of all wetted components with H(2)S. A customized safety interlock system was developed to shut down the system in the event of toxic gas leakage, power outage, loss of building ventilation or compressed air pressure. 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. Prinz, F., B., Fasching, R., Aschauer, E., Jobst, G., Urban, G. THE ENGINEERING DESIGN RESEARCH-CENTER OF CARNEGIE-MELLON-UNIVERSITY. An, J., Koh, A. L., Park, J. S., Sinclair, R., Guer, T. M., Prinz, F. B. View details for Web of Science ID 000315079500065, View details for Web of Science ID 000340054100239, View details for Web of Science ID 000325413000001, View details for Web of Science ID 000320245400004. Material strength in polymer shape deposition manufacturing, INTEGRATED DESIGN AND RAPID MANUFACTURING OVER THE INTERNET.