Search Results - %22Physical+Sciences%22+and+%22Materials%22

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Electrowetting on Dielectric (EWOD) Using Graphene

WSU researchers have developed a method for electrowetting on dielectric (EWOD) using graphene; a transparent, flexible and stretchable nanomaterial. Reversible contact angle changes were observed on the Teflon-coated graphene electrode with both AC and DC voltages and experiments confirmed the graphene electrode has a higher capacitive impedance, reduced...

Published: 2/6/2014 | Inventor(s): Mark MinG-Cheng Cheng

Keywords(s):

Category(s): Physical Sciences, Materials, Microfluidics, Nanomaterials

Atomic Layer Deposition of Transition Metal Thin Films

Wayne State University researchers have circumvented precursor reactivity problems by developing a three-step deposition scheme that entails a transition metal precursor, an organic acid, and a reducing agent. This novel process can produce high purity, low resistivity copper films at 100 °C, which is a significant breakthrough in transition metal ALD...

Published: 2/6/2014 | Inventor(s): Charles Winter, Thomas Knisley, Thiloka Ariyasena

Keywords(s):

Category(s): Materials, Nanomaterials, Physical Sciences, Thin films, Chemical Processing/Synthesis, Industrial & Manufacturing

Volatile Thermally Stable Transition Metal Precursors for Thin Film Growth

Wayne State researchers have developed a new class of thermally stable, volatile transition chemical compounds that have desirable properties for the growth of thin films of transition metal-containing materials by atomic layer deposition and chemical vapor deposition.Commercial Applications • Microelectronic devices o Automotive applications...

Published: 2/6/2014 | Inventor(s): Charles Winter, Mahesh Karunrathne

Keywords(s): Batteries, Coatings, Electronics

Category(s): Materials, Chemicals, Other, Physical Sciences, Thin films

Controllable Laser Fabrication of Conical Nano-Tips on Semiconductor Thin Films

Field emitter displays (FED) represents the next phase in display technology. A team of researchers at Wayne State University has invented a new process that creates consistently sized and uniformly spaced nano-sized conical tips on semiconductor thin films that may have application in a number of areas including field emitter arrays for flat-panel...

Published: 2/6/2014 | Inventor(s): Ivan Avrutsky, Daniel Georgiev, Ronald Baird, Golam Newaz, Gregory Auner

Keywords(s): Semiconductor

Category(s): Physical Sciences, Materials, MEMS, Nanomaterials, Thin films

Development of TiO2 Anatase Thin Films Grown by Pulsed DC Magnetron Reactive Sputtering for Device Applications

WSU researchers have developed a novel procedure for creating Titanium Dioxide (TiO2) thin films using anatase material. Procedure uses TiO2 thin film with single phase a textured material and reproducible with different thickness on amorphous and crystalline substrates. Anatase is attracting much interest for its unique properties and has valuable...

Published: 2/6/2014 | Inventor(s): Ibrahim AL-Houmoudi, Golam Newaz, Gregory Auner, Ratna Naik

Keywords(s): Anti Reflection, Sensors

Category(s): Chemicals, Materials, Thin films, Physical Sciences, Sensors, Industrial & Manufacturing, Other

Vibro-acoustic metamaterial with mass and flexible stem array

WSU researchers have developed a novel device combining the effects of negative effective elastic modulus and negative effective mass, acting as local resonators that can damp out vibrations and sound at multiple frequencies. This class of metamaterials has the superior ability to attenuate sound and have a much greater ability to block dynamic disturbances....

Published: 2/6/2014 | Inventor(s): Md Tofiqul Islam, Golam Newaz, Mohammad Hailat

Keywords(s):

Category(s): Materials, Industrial & Manufacturing, Other, Physical Sciences, Building & Construction

Integration of 1-D MnO2 Nanowire and 2-D Graphene to 3-D Composites and their Applications in High-Energy, High-Power and Low-Cost Aqueous Supercapacitors

Wayne State University researchers have developed a novel method for the preparation of unique 3-D composites of conductive graphene and high capacitance MnO2 as electrode materials, to fabricate asymmetric aqueous supercapacitors for energy-storage applications. Currently MnO2 is commonly coated onto current collectors to form very thin films...

Published: 2/6/2014 | Inventor(s): Lixin Wang, Da Deng, Ka Yuen Simon Ng

Keywords(s):

Category(s): Materials, Nanomaterials, Physical Sciences, Energy & Environment, Energy Storage/Battery

Dispersion-optimized Silicon nanoparticle (SiNP)/Graphene composite anode for high performance Lithium ion battery (LIB)

WSU researchers have invented a novel method to produce dispersion-optimized SiNP within a conducting Graphene matrix forming a standalone composite anode material. The method creates small clusters to lone particle distributions maximizing the nanomaterial properties of SiNP yielding anodes with improved capacity retention and rate performance. It...

Published: 2/6/2014 | Inventor(s): Rhet C De Guzman, Ka Yuen Simon Ng, Steven Salley

Keywords(s):

Category(s): Chemicals, Materials, Energy & Environment, Energy Storage/Battery, Nanomaterials, Physical Sciences

Fabrication Methods for Anti-Reflection Surface on Transparent Materials

Development of a fabrication method that uses optical nanostructures as artificial materials that match refractive indices of a wide range of transparent substrates. The resulting surface is optically transparent and exhibits qualities required to see images and text clearly on an electronic display screen in a wide variety of light conditions. Electronic...

Published: 2/6/2014 | Inventor(s): Yang Zhao, Jinsong Wang

Keywords(s): Anti-reflection, Nanomaterials

Category(s): Materials, Nanomaterials, Physical Sciences

Graphene based support matrix to anchor bifunctional catalyst for Lithium-Air batteries

WSU researchers have developed a novel process to produce highly stable, conductive, and high surface area graphene based matrix for bifunctional catalysts for air cathodes. Given the promising stability and enhanced conductivity of the graphene matrix, the WSU researchers propose to incorporate bifunctional catalysts into a graphene matrix. Currently,...

Published: 2/6/2014 | Inventor(s): Kapila Wadumesthrige, Ka Yuen Simon Ng, Steven Salley

Keywords(s):

Category(s): Chemicals, Materials, Energy Storage/Battery, Energy & Environment, Nanomaterials, Physical Sciences, Catalysts, Automotive & Transportation, Battery

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