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3D Printed Active Electronic Materials and Devices

Princeton Docket # 15-3114-1 Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have patented the 3D printing of active (semiconductor) electronic materials and devices, based on an extrusion process. The technique allows for printing of devices on flexible sheets, over large areas, in horizontal and vertical...
Published: 2/28/2022   |   Inventor(s): Michael McAlpine, Yong Lin Kong
Keywords(s): 3D Printing, semiconductor
Category(s): Ceramics/Material Sciences

Calibration Procedures for Rotating Lorentz-Force Flowmeters: Non-Contact Flow Measurement for Electrically Conductive Fluids

Princeton Docket # 17-3301Measuring the flowrate of extremely high-temperature or chemically aggressive fluids is a challenge faced by a variety of different industrial processes (e.g. metal casting, nuclear power, concentrated solar power, chemical production, etc.). Rotating Lorentz-force flowmeters (RLFFs) are non-contact devices that can operate...
Published: 2/2/2018   |   Inventor(s): Michael Hvasta
Keywords(s):  
Category(s): Chemistry, Ceramics/Material Sciences, Mechanical, Opto-Electronics/ Electrical Engineering

A Solid-State Organic Intermediate Band Solar Cell Based on Principles of Triplet-Triplet Annihilation

Princeton Docket # 16-3248Researchers in the Department of Electrical Engineering at Princeton University have invented the first solid-state intermediate band organic solar cell device. This device architecture, made from commercially available materials, enables increased solar cell efficiency by converting low energy solar photons into electrical...
Published: 2/6/2018   |   Inventor(s): Barry Rand, Yunhui Lin
Keywords(s):  
Category(s): Opto-Electronics/ Electrical Engineering, Ceramics/Material Sciences

Method of Forming and Applications of Metal Halide Perovskite Films With Small Crystallite Size

Princeton Docket # 16-3243Researchers in the Department of Electrical Engineering at Princeton University have developed a method for controlling the microstructure of hybrid organic-inorganic perovskite films via a straightforward, low temperature, and scalable process. The fine control and tunability of film properties leads to improved efficiencies...
Published: 1/29/2018   |   Inventor(s): Barry Rand, Ross Kerner, Zhengguo Xiao
Keywords(s):  
Category(s): Ceramics/Material Sciences, Opto-Electronics/ Electrical Engineering

Control of the Drying Stress in Colloidal Suspensions by Choosing a Distribution of Particle Sizes

Princeton Docket # 16-3236-1Researchers in the Department of Mechanical and Aerospace Engineering at Princeton University have developed a process for enhancing the properties of films made from particle suspensions such as colloids. Films and coatings produced using this method benefit from reduced delamination and deformation.Coatings and films are...
Published: 1/29/2018   |   Inventor(s): Francois Boulogne, Yong Lin Kong, Janine Nunes, Howard Stone
Keywords(s):  
Category(s): Mechanical, Ceramics/Material Sciences

Injectable Hydrogels From Microfiber Suspensions

Princeton Docket # 15-3163-1Researchers at Princeton University, Department of Mechanical and Aerospace Engineering, have developed a new hydrogel material.This invention describes a new type of hydrogel material composed of flexible hydrophilic microfibers. A concentrated suspension of the microfibers undergoes irreversible gelation using a simple...
Published: 1/29/2018   |   Inventor(s): Janine Nunes, Antonio Perazzo, Stefano Guido, Howard Stone
Keywords(s):  
Category(s): Ceramics/Material Sciences

Surfaces for Drag Reduction

Princeton Docket # 15-3149-1Researchers at Princeton University, Department of Mechanical and Aerospace Engineering, have developed a method to reduce the drag on solid objects opposed to fluid flow. Most liquid repellent surfaces are superhydrophobic, which contain pockets of air within surface roughness. Traditional air-water drag reduction surfaces...
Published: 3/5/2018   |   Inventor(s): Marcus Hultmark, Alexander Smits, Howard Stone, Matthew Fu, Brian Rosenberg, Jason Wexler, Ian Jacobi
Keywords(s):  
Category(s): Ceramics/Material Sciences

Fluorinated Electrolytes for Magnesium-Ion Batteries

Princeton Docket # 15-3142/3143/16-3237Researchers in the Department of Chemistry and Department of Mechanical and Aerospace Engineering at Princeton University have developed electrolyte formulations for magnesium-ion (Mg-ion) batteries that exhibit high conductivity, a large voltage window, and reversible magnesium electrodeposition. This technology...
Published: 1/29/2018   |   Inventor(s): Jake Herb, Craig Arnold, Carl NisT-Lund
Keywords(s):  
Category(s): Chemistry, Ceramics/Material Sciences

Methods to Resist Shear- and Gravity-Driven Drainage of Liquid-Infused Surfaces

Princeton Docket # 15-3089-1Researchers at Princeton University, Department of Mechanical and Aerospace Engineering, have proposed an improvement to the current design and fabrication of liquid-infused surfaces. Rough or patterned surfaces, when chemically treated and infused with a lubricating, superhydrophobic liquid, have been shown to repel liquid....
Published: 3/15/2018   |   Inventor(s): Jason Wexler, Ian Jacobi, Howard Stone, Marcus Hultmark
Keywords(s):  
Category(s): Ceramics/Material Sciences

Novel Light Extraction Layers for Organic Light-emitting Diodes

Princeton Docket # 15-3085-1Researchers at Princeton University, Department of Electrical Engineering, have developed a new structure and fabrication methods to make light extraction films for organic light-emitting diodes (OLEDs) or other thin film LED structures.At present, a light extraction layer which consists of substrates and nanoparticles is...
Published: 3/15/2018   |   Inventor(s): Barry Rand, TaE-Wook Koh
Keywords(s):  
Category(s): Ceramics/Material Sciences, Opto-Electronics/ Electrical Engineering
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