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Linearly Polarized Thermal Emitter for More Efficient Thermophotovoltaic Devices
Ames Laboratory researchers have developed fabrication methods for a polarized thermal emitter than can be used to create more efficient thermophotovoltaic devices for power generation.
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| 04/22/2013 Updated! |
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Low Resistivity Contact to Iron-Pnicitide Superconductors
Superconductors are materials which carry electrical current without dissipation. However, feeding electrical current into a superconductor generates heat dissipation in the contacts and degrades maximum attainable current value. The degradation in contacts is also different depending on the different chemical nature of the superconducting materials.
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| 04/22/2013 Updated! |
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Aluminum-Alkaline Metal-Metal Composite Conductor
Iowa State University and Ames Laboratory researchers have developed a high strength, lightweight aluminum wire for high-voltage power transmission with reduced electrical resistance for overhead electrical lines.
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| 04/22/2013 Updated! |
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 High Aspect Ratio Metallic Structures for Use as Transparent Electrodes
Polymer-based photovoltaic devices have received intense interest in recent years because of their potential to provide low-cost solar energy conversion, flexibility, manufacturability, and light weight. However, the efficiency of organic solar cells is about 4-6%, and increasing this efficiency is critical for developing practical applications and commercially viable devices. One approach to increasing efficiency is to increase the light absorption on the organic film without...
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| 04/22/2013 Updated! |
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Tunable Magnetic Regenerator/Refrigerant
Magnetic regenerators utilize the magnetocaloric effect--the ability of a magnetic field to reduce the magnetic part of a solid materials entropy, generating heat, and then removing the magnetic field, permitting the reduction of temperature with the change in entropy. The cyclic heat generation and absorption in adiabatic magnetization and demagnetization. This invention uses a specific mix of rare earth magnetic materials capable of producing both a first and second order phase...
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| 12/07/2012 |
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Regenerator for Magnetic Refrigerants
Ames Laboratory researchers have developed a new magnetic material that can be used at low temperatures (sub liquid hydrogen) for magnetic refrigerators. |
| 12/07/2012 |
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Cost Effective Production of Giant Magneto-Caloric Materials
The giant magnetocaloric material Gd5(SixGe1-x)4, useful for various types of refrigeration applications, from liquifaction of helium (4K) to room temperature air conditioning and climate control, has just become more cost effective with the development of this new method for utilizing commercially available Gd to produce it. |
| 12/07/2012 |
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Method for Creating Photonic Band Gap Materials
Innovative microstructures that can direct light in a manner similar to the way semiconductors can influence electrons can be produced by creating what is termed a photonic band gap. These microstructures have the potential to change the way optoelectronic devices, such as photodiodes, LEDs, and integrated optical circuit elements, are designed and used. Ames Laboratory researchers have developed a method for creating photonic band gap materials that is economical and does not require the...
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| 12/06/2012 |
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Fabrication of Emissible Metallic Layer-by-Layer Photonic Crystals Using Microtransfer Molding with Electro-Deposition
Photonic crystals are optical materials that can be used to control and manipulate the flow of light. Ames Laboratory researchers have developed a method for the producing photonic crystals that can be used as highly efficient light sources. |
| 12/06/2012 |
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Enhanced Light Extraction from Organic Light Emitting Diodes
Ames Laboratory researchers have developed a soft lithography microlens fabrication and array that enables more efficient organic light emitting diodes (OLEDs), improving their commercial viability.
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| 12/06/2012 |
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Conversion of Cyclic Amines into Lactams for Synthesis of Nylons and Other Polymers
Ames Laboratory researchers have developed a process for the conversion of cyclic amines into lactams, which may have utility for the production of nylons and other industrial polymers. |
| 12/06/2012 |
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Material to Efficiently and Economically Obtain Microorganism and Microalgae
Technology provides an economical and efficient process to harvest microorganisms like microalgae from its growth media. |
| 12/06/2012 |
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Selective Oxidation of Organic Substrates to Partially Oxidized Products
Rapid and controlled rate of catalysis, utilizing ozone for oxidation of alcohols to ketones or aldehydes, is made possible with this environmentally friendly and versatile technology. |
| 12/06/2012 |
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Controlled Metal Photodeposition
A reliable syntheses of semiconductor-metal heterostructure has been developed to enable application of materials in catalytic, magnetic, and opto-electronic devices, and Iowa State University, The Ames Laboratory's Contractor, is looking for industry partners to commercialize this technology. |
| 12/06/2012 |
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Thermoelectric material with Enhanced Efficiency
The enhanced efficiency of newly developed thermoelectric material can provide commercial benefits in various areas of current and future application, including automobiles, solar cells, power plants, and wireless powering. |
| 12/06/2012 |
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Sorbent Assisted Catalyst for the One-Pot Sequestration and Conversion of Renewable Feedstocks into Fuels
Ames Laboratory researchers have developed a technology that provides a simplified and economical production of hydrocarbon fuel from renewable resources with higher energy potential compared to ethanol or biodiesel. The ability to achieve higher yields from lipid feedstock, and in particular algae oils, by not utilizing current methods of fatty acid conversion to methyl ester, makes this technology economically attractive. |
| 12/06/2012 |
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Alloy Design and Method for Processing Low-Cost Refractory Dispersoid-Reinforced Alloys for Harsh Environments
Alloys used in applications such as exhaust valves are increasingly subject to demanding operating environments, such as high temperatures and exposure to corrosive gases; these alloys must also be able to resist high cycle fatigue, extreme surface wear, and long-term creep deformation. Iron (Fe)-based superalloys have been developed through a mechanical alloying process that results in a dispersoid strengthened metallic material. However, mechanical alloying can add significant...
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| 10/23/2012 |
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High Aspect Ratio Metallic Structures for Use as Transparent Electrodes
Metallic structures that can be used as transparent electrodes or to enhance the performance of solar cells or LEDs. |
| 03/23/2012 |
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Process for Fabrication of Efficient Solar Cells
Ames Laboratory researchers have developed a process for fabrication of solar cells with increased efficiency.
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| 03/23/2012 |
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Method of Production of Pure Hydrogen Near Room Temperature From Ultra High Capacity Hydride Materials
This is a cost-effective method for the production of pure hydrogen gas from ultra high capacity hydride solid materials. |
| 09/22/2011 |
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Linearly Polarized Thermal Emitter for More Efficient Thermophotovoltaic Devices
Iowa State University and Ames Laboratory researchers have developed fabrication methods for a polarized thermal emitter than can be used to create more efficient thermophotovoltaic devices for power generation. |
| 09/09/2011 |
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A Process for the Conversion of Cyclic Amines Into Lactams
Ames Laboratory researchers have developed a process for the conversion of cyclic amines into lactams, which may have utility for the production of nylons and other industrial polymers. |
| 04/04/2011 |
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Dual-Color Auto-Calibration Scanning-Angle Evanescent Field Microscope
Ames Laboratory researchers have developed a new microscope that can be used for live cell imaging as well as for examining single molecule dynamics. Total internal reflection fluorescence microscopy (TIRFM) is a mode of fluorescence microscopy that has been widely used for live-cell imaging at the interface between a biological sample and a cover slip or tissue culture well. TIRFM is based on the induction of an evanescent wave in the liquid adjacent to the interface, which is...
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| 03/28/2011 |
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Efficient Polymer Solar Cells
Ames Laboratory researchers have developed a process for producing more efficient polymer solar cells by increasing light absorption through a thin and uniform light-absorbing layer deposited on a textured substrate.
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| 03/28/2011 |
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Linearly Polarized Thermal Emitter for More Efficient Thermophotovoltaic Devices
Thermophotovoltaic (TPV) devices can be used to generate power from photons, and consist of a thermal emitter and photodiode. These limitations of photovoltatic (PV) devices solar cells—since sunlight is composed of many different wavelengths, not all incident photons have an energy larger than the energy band gap (Eg) of the semiconducting material of the photodiode and thus, not all photons can contribute to the photo-current. If the thermal emitter of a TPV can absorb all incoming...
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| 03/11/2011 |
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Low Resistivity Contact to Iron-Pnicitide Superconductors
Superconductors are materials which carry electrical current without dissipation. However, feeding electrical current into a superconductor generates heat dissipation into the contacts and degrades maximum attainable current value. The degradation in contacts is also different depending on the different chemical nature of the superconducting materials. Iron-pnictide based superconductors have a number of superior properties as compared to other known high temperature superconductors and due to...
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| 03/11/2011 |
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Aluminum-Alkaline Metal-Metal Composite Conductor
Researchers have developed a high strength, lightweight aluminum wire for high-voltage power transmission with reduced electrical resistance for overhead electrical lines. High-voltage electric power transmission cables based on pure aluminum strands with a stranded steel core (ACSR) or stranded aluminum alloy (ACAR) core have the disadvantages of mediocre tensile strength, high density, and poor strength and conductivity retention at elevated temperatures. This combination of properties...
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| 03/11/2011 |
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Method for Creating Photonic Band Gap Materials
Innovative microstructures that can direct light in a manner similar to the way semiconductors can influence electrons can be produced by creating what is termed a photonic band gap. These microstructures have the potential to change the way optoelectronic devices, such as photodiodes, LEDs, and integrated optical circuit elements, are designed and used. ISU researchers have developed a method for creating photonic band gap materials that is economical and does not require the use of...
read more |
| 12/28/2010 |
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Structures with Negative Refractive Index for Applications in Optics and Nanophotonics
Iowa State University and Ames Laboratory researchers have developed materials and structures with a negative refractive index that potentially open new frontiers in optics applications. |
| 12/28/2010 |
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Iron Catalysis in Oxidations by Ozone
Ozone is used commercially for treatment of potable and non-potable water, and as an industrial oxidant. ISU and Ames Laboratory researchers have developed a method for using iron in ozone oxidation that significantly improves the speed of oxidation reactions. |
| 12/28/2010 |
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High Strength Gold Wire for Microelectronics Miniaturization
ISU and Ames Laboratory researchers have developed a high strength gold wire for use in microelectronics that can maintain its electrical and mechanical properties while permitting miniaturization of microelectronics design. |
| 12/28/2010 |
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Electrochemical Method of Controlling Thiolate Coverage on a Conductive Substrate
This invention is a way to apply thiolate using a thermodynamically controlled electrodeposition process on a substrate such as gold in such a way as to predictably cover the substrate with a partial monomolecular layer over a predetermined area. |
| 12/16/2010 |
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Mechanochemical Preparation of Phosphonium Salts and Phosphorus Ylides
Researchers at Iowa State University and Ames Laboratory have developed a unique, solvent-free mechanochemical preparation method to prepare phosphonium salts and phosphorous ylides. The phosphorous ylides are then utilized in carrying out the solvent-free synthesis of desired organic compounds employing the Wittig-Horner reaction. |
| 12/16/2010 |
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Low Temperature Joining of Ceramic Composites
This invention provides a process for creating a toughened SiC filler and bonding material for joining continuous fiber ceramic composites (either similar or different in composition) at relatively low joining temperatures. |
| 12/16/2010 |
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An Inexpensive Brazable Material for Magnetostrictive Sensors and Other Applications Based on Ferrite Materials
This invention is a method for making a low cost magnetostrictive material which has utility for a variety of applications, including sensors, transducers and actuators.
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| 12/16/2010 |
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Highly Directional Antenna for Improved Communications
Researchers at Iowa State University and Ames Laboratory have developed a highly tunable, high directivity microwave antenna with utility for military and mobile communications. |
| 12/16/2010 |
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Fabrication of Emissible Metallic Layer-by-Layer Photonic Crystals Using Microtransfer Molding with Electro-Deposition
Iowa State University and Ames Laboratory researchers have developed a method for increasing the efficiency of conventional incandescent light bulbs. |
| 12/16/2010 |
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Synthesis of High Surface Area Foams for Functional and Structural Applications
A substantially higher surface area is very desirable in porous metallic bulk materials for functional applications such as catalysts, hydrogen storage or high-sensitivity sensors. Traditionally, high surface area functional materials are prepared as powders. The development of this new process made it possible to fabricate them into a useable monolithic structure with high levels of connected, exposed surface areas. |
| 12/16/2010 |
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Production of Giant magnetocaloric Substances Using Commercially Available Raw Materials
The giant magnetocaloric material Gd5(SixGe1-x)4, useful for various types of refrigeration applications, from liquifaction of helium (4K) to room temperature air conditioning and climate control, has just become more cost effective with the development of this new method for utilizing commercially available Gd to produce it. |
| 12/16/2010 |
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Regenerator for Magnetic Refrigerants
Iowa State University and Ames Laboratory researchers have developed a new magnetic material that can be used at low temperatures (sub liquid hydrogen) for magnetic refrigerators. Magnetic refrigeration is being investigated as an alternative to conventional gas compressor technology for cooling and heating because of its potential to save energy and reduce operating costs. The potential utility of magnetic refrigerants has been demonstrated using gadolinium palladium (GdPd) alloys. However,...
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| 12/16/2010 |
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Ultrafine Hydrogen Storage Powders
This invention provides for composition and method of making extremely fine powders for storing hydrogen. |
| 12/16/2010 |
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Decolorization of Polyester Fiber and Textiles
Removing colorant from polyester textile material is a major challenge for the industry. A compound has been discovered that removes the colorant without impacting the performance of the polyester material. |
| 12/16/2010 |
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High Aspect Ratio Metallic Structures for Use as Transparent Electrodes
Iowa State University and Ames Laboratory researchers have developed metallic structures that can be used as transparent electrodes or to enhance the performance of solar cells or LEDs. Efforts to develop new energy sources and more energy efficient devices has lead to advancements such as organic solar cells (OSC) and organic light emitting devices (OLEDs). These advancements have included the development of processing techniques that offer lower cost and more simple fabrication methods, as...
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| 12/16/2010 |
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Synthesis of Superconducting MgB2 Wire, Tapes and Films
An innovative process for the fabrication of superconducting MgB2 (magnesium diboride) wire suitable for magnets or electrical power transmission. In addition, the same process can be used to create MgB2 tapes or films for use as cavities, filters and electronic devices. |
| 12/16/2010 |
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Lead-Free Solder
A lead-free solder for use in electronic soldering including electronics circuit boards used in cell phones, computers and other electronics. These low melting point alloys have been in use since 1994. As a result of the movement to reduce environmental contamination resulting from disposal of lead containing electronics components, government regulations in many countries prohibit use of leaded solders for electronics. SAC alloys and are now a standard in the electronics industry. ...
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| 12/13/2010 |
