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Plasmonic Nanoparticle Layers With Controlled Orientation
Such materials have extraordinary optical and plasmonic properties that can find broad applications in light management and light-activated sensing, mechanical, electronic application. Examples include windows for energy-efficient buildings which control light transmission, electronic devices that utilize the hot electrons generated by plasmonic nanoparticles,...
Published: 6/13/2017   |   Inventor(s): Guoliang Liu, Assad Khan
Category(s): Materials, Electrical, Energy, Engineering, Consumer Products, Computer Hardware, Process/Procedures
Composition, Structure, and Method for Fabrication of Tunable Inductors with Large Tunability
Tunability of conventional inductors is achieved either by mechanically tuning through bias magnet(s) or by adjusting the electric current in solenoids/electromagnets. These devices are typically bulky, slow, noisy, and inefficient. Various efforts have been devoted towards developing voltage tunable inductors that have large tunability and low energy...
Published: 3/30/2017   |   Inventor(s): Yongke Yan, Shashank Priya
Category(s): Electrical, Materials, Energy
Gel for Ion Conduction Applications with Mechanical Strength
As key components of many energy storage and conversion technologies, polymer electrolyte materials allow for selective ion transport in diverse applications such as fuel cell membranes, battery separators, electro-responsive actuators, reverse-osmosis water purifiers, and solar cells. For electrochemical devices, solid-state polymer electrolyte materials...
Published: 2/20/2017   |   Inventor(s): Louis Madsen, Ying Wang
Category(s): Chemicals, Computer Hardware, Consumer Products, Devices, Electrical, Energy, Engineering, Materials
Apparatus for High Temperature Stereolithography
Stereolithography (SLA) has traditionally been limited to low viscosity resins that flow easily at room temperature. These constraints greatly limit the molecular weights and polymeric classes of the oligomeric components that can be used. Many of the strongest and highest glass-transition temperature (Tg) engineering polymers fall into this category...
Published: 1/31/2017   |   Inventor(s): Nicholas Chartrain, Viswanath Meenakshisundaram, Christopher Williams
Category(s): Engineering, Computer Hardware, Materials
Porous Carbon Fiber from Block Copolymers
Carbon fiber is an important low-density material that has outstanding mechanical strength, electric conductivity, fire resistance, high chemical resistance, high operational temperature tolerance, low coefficient of thermal expansion, and excellent electromagnetic interference shielding properties. Porous carbon fibers that span the pore size across...
Published: 1/31/2017   |   Inventor(s): Guoliang Liu, Zhengping Zhou
Category(s): Chemicals, Materials, Engineering, Energy, Electrical
Sulfur-Resistant Palladium or Palladium-Alloy Membranes for Hydrogen Separation
Hydrogen separation membranes are important for the purification of hydrogen for use in the production of chemicals, the refining of petroleum, and in energy conversion devices such as fuel cells. Among the best membranes are palladium membranes, but these are susceptible to poisoning by sulfur. Sulfur is a common contaminant in feedstocks for hydrogen...
Published: 1/27/2017   |   Inventor(s): Shigeo Ted Oyama, Samhun Yun, Sheima Jatib Khatib
Keywords(s): Materials/Fibers,Textiles, Membranes
Category(s): Materials
Piperazine-containing Dilithium Anionic Initiators for Isoprene Polymerization
A novel process that uses piperazine-containing dilithium anionic initiators has been developed at Virginia Tech. This process has yielded unprecedented polymerization of isoprene and polystyrenic block copolymers with improved specificity and repeatability. Resulting products could include any number of low-VOC adhesive and coatings.
Published: 8/19/2016   |   Inventor(s): Alison Schultz, Sachin Bobade, Timothy Long
Category(s): Chemicals, Process/Procedures, Consumer Products, Materials, Engineering
Tri-Layer C03O4-SDC Protective Coating for Solid Oxide Fuel Cell Interconnects
In this invention, a Tri-LayerC03O4/SDC/C03O4 tri-layer coating is created by electrodeposition and electrophoresis followed by oxidation at 800°C for 5 hrs. After 400 hrs of testing at 800°C in an air atmosphere with a 500 mA/cm2 current density, the thickness of the chromia scale located at the interface of the coating layer and the substrate...
Published: 3/10/2016   |   Inventor(s): Kathy Lu, Fengyu Shen
Category(s): Materials, Engineering
Guided Laser Micro Machining
Micro machining technology that can deliver ultra-high aspect ratio drilling, curved path drilling, non-uniform drilling, and real-time element analysis.
Published: 10/23/2015   |   Inventor(s): Chennan Hu, Anbo Wang
Category(s): Nanotechnology, Materials
Cellulose Ethers for Solubility Enhancement
The technology is a novel method for making functional materials from sustainable, renewable polysaccharides. It focuses on making materials that have good solubility, dispersability, or otherwise have high affinity in and for water. These materials can be designed to contain virtually any functional group, thereby permitting the designer to equip them...
Published: 9/21/2015   |   Inventor(s): Kevin Edgar, Yifan Dong, Jacob Troutman
Category(s): Materials
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