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 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. Dong, J. P., Kao, J. H., Pinilla, J. M., Chang, Y. C., Prinz, F. B. 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Design of an atomic layer deposition reactor for hydrogen sulfide compatibility. Thermal stresses and deposition patterns in layered manufacturing. A pencil probe system for electrochemical analysis and modification in nanometer dimensions. For Pt clusters supported on HOPG with nitrogen defects, calculations show a greater driving force for nucleation and greater particle tethering. 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. An, J., Kim, Y., Gr, T. M., Prinz, F. B. 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. A quantum simulation verified both trends and illustrated the wave function extension effect. QuantumScape Gender Male Prof. Fritz Prinz is the Chairman of Mechanical Engineering at Stanford University. Jiang, X., Guer, T. N., Prinz, F. B., Bent, S. F. Passive water management at the cathode of a planar air-breathing proton exchange membrane fuel cell, Area-Selective Atomic Layer Deposition of Lead Sulfide: Nanoscale Patterning and DFT Simulations. Fabrication of Turbine-Compressor-Shaft Assembly for Micro Gas Turbine Engine, High Power-Density Polymer-Electrolyte Fuel Cells by Microfabrication. Islands with sub-10 nm diameters were observed during the initial ALD cycles by transmission electron microscopy, and in situ observations of the coalescence and sublimation behavior of these islands show the possibility of further modifying the size and density of dots by annealing. Park, J. S., Kim, Y. 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. Ryu, W., Huang, Z., Prinz, F. B., Goodman, S. B., Fasching, R. Fabrication of multi-layered biodegradable drug delivery device based on micro-structuring of PLGA polymers. Stampfl, J., Liu, H. C., Nam, S. W., Sakamoto, K., Tsuru, H., KANG, S. Y., Cooper, A. G., Nickel, A., Prinz, F. B. Atomic Layer Deposition of Al-doped ZnO Films: Effect of Grain Orientation on Conductivity. 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. Galvanotaxis is one predominant result of electric fields on mASCs and it may be exploited to engineer adult stem cell concentrations and locations within implanted grafts or toward sites of wound repair. We report a new flame reduction method to generate controllable amount of oxygen vacancies in TiO2 nanowires that leads to nearly three times improvement in the photoelectrochemical (PEC) water-splitting performance. 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. Privacy Policy | Terms of Use 2022 QuantumScape Corporation1730 Technology Drive, San Jose, CA 95110info@quantumscape.com. Correlation of film density and wet etch rate in hydrofluoric acid of plasma enhanced atomic layer deposited silicon nitride. Cha, S. W., Lee, S. J., Park, Y. I., Prinz, F. B. We ascribe such improvements to the crystallization and densification of the film induced by high-energy ion bombardments on the film surface during the plasma treatment. Finger, S., Stivoric, J., Amon, C., Gursoz, L., Prinz, F., Siewiorek, D., Smailagic, A., Weiss, L. Rapid design and manufacture of wearable computers. Prinz, F., B., Aschauer, E., Fasching, R., Urban, G., Nicolussi, G., Husinsky, W. ROBOT-ASSISTED SHAPE DEPOSITION MANUFACTURING. 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. O'Hayre, R., Braithwaite, D., Hermann, W., Lee, S. J., Fabian, T., Cha, S. W., Saito, Y., Prinz, F. B. Lead-time reduction through flexible routing: application to Shape Deposition Manufacturing, Metal embedded Fiber Bragg Grating sensors in layered manufacturing, Lateral ionic conduction in planar array fuel cells. Fan, Z., Chao, C., Hossein-Babaei, F., Prinz, F. B. Stress-driven grain growth in nanocrystalline Pt thin films. 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. EV battery startup QuantumScape starts shipping prototype to automakers, a key milestone, CNBC, Battery Insiders Reflection Batteries, Data & Solid-State, Battery Associates, How VW Can Leap Over Tesla: QuantumScape CEO Interview, E For Electric, SAE Tomorrow Today, Transforming EV Batteries with Solid-State Energy, The New York Times, Advanced E.V. Nickel, A., BARNETT, D., Link, G., Prinz, F. Reducing part: Deformation by inducing phase transformation. 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. High-density multi-layer connection technology for MEMS and CMOS applications. Reduction and oxidation of oxide ion conductors with conductive atomic force microscopy, Surface Modification of Yttria-Stabilized Zirconia Electrolyte by Atomic Layer Deposition, Atomic Layer Deposition of Lead Sulfide Thin Films for Quantum Confinement, Intermediate-Temperature Ceramic Fuel Cells with Thin Film Yttrium-Doped Barium Zirconate Electrolytes. This paper describes the fabrication of scanning probes with single metal nanowires (NWs) at the probe tip. Wang, X., Huang, H., Holme, T., Tian, X., Prinz, F. B. 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. Prinz, F., B., Fasching, R., Urban, G., Aschauer, E., Jachimowicz, A., Kohl, F. OPTIMAL PATH PLACEMENT FOR KINEMATICALLY REDUNDANT MANIPULATORS. Dasgupta, N., P., Walch, S., P., Prinz, F., B. Reversible oxidation of spinach ferredoxin at surface-modified electrodes. 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. Prinz, F., B., Weiss, L., Amon, C., Beuth, J. CNC Cutter Path Generation in Shape Deposition Manufacturing. 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. Atomic layer deposition by reaction of molecular oxygen with tetrakisdimethylamido-metal precursors. A combined scanning tunneling microscope-atomic layer deposition tool. Live from New York, is focused on bringing you. Rapid and Controllable Flame Reduction of TiO2 Nanowires for Enhanced Solar Water-Splitting. Here we report experimental observation and determination of oxide-ion vacancy concentration near the 13 (510)/[001] symmetric tilt grain-boundary of YSZ bicrystal using aberration-corrected TEM operated under negative spherical aberration coefficient imaging condition. O'Hayre, R., Fabian, T., Litster, S., Prinz, F. B., Santiago, J. G. The construction of three-dimensional micro-fluidic scaffolds of biodegradable polymers by solvent vapor based bonding of micro-molded layers. 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. 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. Furthermore, this ALD Pt resulted in fuel cell performance comparable to that achieved by 80 nm-thick sputtered Pt. This observation is consistent with the formation of oxide ion vacancies on the oxide surface. Dasgupta, N. P., Mack, J. F., Langston, M. C., Bousetta, A., Prinz, F. B. Coyne, R., Finger, S., Konda, S., Prinz, F., B., Siewiorek, Daniel, P., Subrahmanian, E. Prinz, F., B., Urban, G., Jobst, G., Keplinger, F., Aschauer, E., Fasching, R. Thermal Modelling and Experimental Testing of MD* Spray Shape Deposition Processes. 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. Fritz Prinz is the Leonardo Professor in the School of Engineering at Stanford University, Professor of Materials Science and Engineering, Professor of Mechanical Engineering, and Senior Fellow at the Precourt Institute for Energy. 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. Oxygen activation over engineered surface grains on YDC/YSZ interlayered composite electrolyte for LT-SOFC. 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. Iancu, A. T., Logar, M., Park, J., Prinz, F. B. Were on a mission to revolutionize energy storage and power a decarbonized future, and were starting with transportation. H(2)S is used as a reactant for the ALD of metal sulfides. Ryu, W., Huang, Z., Park, J. S., Moseley, J., Grossman, A. R., Fasching, R. J., Prinz, F. B. Kim, Y. The company quickly gained major investors' attention. In order to avoid the worst consequences of climate change, we must electrify transportation and turn internal combustion engines into a way of the past. The role of ambient conditions on the performance of a planar, air-breathing hydrogen PEM fuel cell. B., Park, J. S., Guer, T. M., Prinz, F. B. 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. Characterizations of the TiO2:Co NWs show that Co dopants exhibit 2+ oxidation state and substitutionally occupy Ti sites in the TiO2 lattice. 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. B., Guer, T. M., Kang, S., Jung, H., Sinclair, R., Prinz, F. B. Frank Blome Independent Director. 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. Chang, Y. C., Saha, M., Prinz, F., Latombe, J. C., Pinilla, J. Huang, H., Nakamura, M., Su, P., Fasching, R., Saito, Y., Prinz, Fritz, B. Cheng, J., Crabb, K., Pornprasertsuk, R., Huang, H., Saito, Y., Prinz, F. Making Photovoltaic Power Competitive with Grid Power. What is. Solid oxide fuel cell with corrugated thin film electrolyte. Seo, Y. H., Kim, L. H., Prinz, F. B., Ryu, W. Electrochemical tuning of vertically aligned MoS2 nanofilms and its application in improving hydrogen evolution reaction. Atomic Layer Deposition of Undoped TiO2 Exhibiting p-Type Conductivity. It is illegal for insiders to make trades in their companies based on specific, non-public information. Kim, Y. That has not stopped the company from forging ahead with a. Ryu, W., H., Min, S., Fasching, R., Prinz, F. Proton Transport Membranes for Fuel Cells: Polymeric versus Dense Ceramic". B., Chao, C., Guer, T. M., Prinz, F. B. Electrochemical Deposition of Metallic Nanowires as a Scanning Probe Tip. 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. Motoyama, M., Dasgupta, N., P., Prinz, F., B. Geometric Effects of Triple Phase Boundary in Solid Oxide Fuel Cells. Engineering artificial tissue scaffolds with a similar organization to that of the natural tissue is a key element to the successful recapitulation of function. From a living algal cell, Chlamydomonas reinhardtii, photosynthetic electrons (1.2 pA at 6000 mA/m(2)) were directly extracted without a mediator electron carrier by inserting a nanoelectrode into the algal chloroplast and applying an overvoltage. Shape Deposition Manufacturing of smart metallic structures with embedded sensors, Thermal analysis of new silicon-based substrates. Chang, Y. C., Pinilla, J. M., Kao, J. H., Dong, J., Ramaswami, K., Prinz, F. B. 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. In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Fritz Prinz in QS / Quantumscape Corp. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. O'Hayre, R., Fabian, T., Litster, S., Prinz, F., B., Santiago, J., G. Biodegradable Micro-Fluidic Sheet-Devices for Programmed Drug Release. The results demonstrate that electrolyte surface engineering with ALD can have a meaningful impact on the performance of electrochemical devices. Prior to joining QuantumScape, Mr. Hettrich served as a Private Equity Associate of Bain Capital, an investment firm, from September 2007 to July 2009. 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). Active water management at the cathode of a planar air-breathing polymer electrolyte membrane fuel cell using an electroosmotic pump. Dr. Holme holds a B.S. QuantumScape, the leading developer of next-generation solid-state batteries for electric vehicles, listed today on the NYSE. Tim Holme, and Fritz B. Prinz in May 2010 and is .