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Fluorinated Polymer, Method of Making, and Use in Electrochemical Cell
Low specific capacity and low charge/discharge rate of current cathodic materials are the bottle-neck for the next generation electrochemical energy storage devices, particularly for “on-demand applications.” Current batteries rely on transition metal salts (e.g. LiMO2, LiMPO4) and mixed metal oxide lithium salts as cathodic materials. The...
Published: 11/15/2022   |   Inventor(s): Haoran Sun
Keywords(s): Clean Energy, Energy Storage, Fluorinated Materials, Fluorine, Organic Chemistry, Polymer Chemistry, Semiconductors
Category(s): Chemistry, Fluorinated Materials, Energy Storage, Polymer Chemistry, Materials Science
Metal-Organic Super-Containers
Container structures are ubiquitous in nature, with examples including viruses and various protein assemblies. Researchers at the University of South Dakota have designed and synthesized a series of synthetic container molecules termed metal-organic super-containers (MOSCs) because they are assembled from container precursors, metal ions, and organic...
Published: 12/2/2019   |   Inventor(s): Zhenqiang Wang, Feng-Rong Dai, Dustin Becht
Keywords(s): Catalysis, Chemistry, Drug Delivery, Environmental Monitoring, Ion Detection, Organic Chemistry, Research Tools
Category(s): Chemistry, Renewable Energy, Nanotechnology, Biomedical Engineering, Health Care, Catalysis, Ion Detection, Drug Delivery, Sensors, Materials Science
Biopolymer Drug Loading Method
Poly (Glycerol Sebacate) (PGS) is a newly developed, biodegradable elastic polymer that has tunable mechanical properties, good biocompatibility, and a surface degradation profile making it favorable in many tissue engineering and drug delivery applications. In order to functionalize the PGS material, it is necessary to load drugs and active molecules...
Published: 2/1/2023   |   Inventor(s): Ying Deng, Bo Yang
Keywords(s): Anti-Microbials, Biomedical Engineering, Drug Delivery, Health Care, Medical Device, Pharmaceuticals, Tissue Regeneration
Category(s): Medical Device, Biomedical Engineering, Polymer Chemistry, Health Care, Materials Science, Tissue regeneration, Drug Delivery
Method of Growing Germanium Crystals
This new method uses a quartz shield to isolate the germanium that would otherwise be contaminated by the stainless steel chamber, insulation materials, or the graphite crucible. Doctors Mei and Wang also determined that use of a load scale can control the crystal diameter and ensure that all melted germanium is used in crystal production and thus removed...
Published: 12/2/2019   |   Inventor(s): Dongming Mei, Guojian Wang
Keywords(s): Germanium Crystals, Infrared Systems, Materials Science, Optical Communication, Phononic Devices, Physics, Radiation Detection, Semiconductors, Sensors, Transistors
Category(s): Semiconductors, Physics, Materials Science, Radiation Detection, Infrared Systems, Transistors, Sensors, Optical Communications, Phononic Devices
Electron-Deficient Fluorous Porphyrins and Their Use in Organic Solar Cells
Fluorinated aromatics and related materials offer many advantages over non-fluorinated materials in a variety of different optoelectronic devices such as, but not limited to, organic light emitting diodes (OLEDs), organic field-effect transistors (OFETs), organic solar cells (OSCs), and dye-sensitized solar cells (DSSCs). These fluorinated materials...
Published: 5/2/2020   |   Inventor(s): Haoran Sun
Keywords(s): Chemistry, Fluorinated Materials, Fluorine, Optical Communication, Optoelectronics, Semiconductors
Category(s): Chemistry, Semiconductors, Renewable Energy, Fluorinated Materials, Optoelectronics, Materials Science
Carbon Fiber Innovation
Carbon fiber is a material consisting of microscopic fibers composed mostly of carbon atoms. Addition of carbon nanotubes to industrial polymers greatly increases their mechanical strength; carbon fiber-reinforced polymer is an exceptionally strong and light form of reinforced plastic also containing carbon fibers. Although these polymers can be expensive...
Published: 9/7/2022   |   Inventor(s): Grigoriy Sereda, Joseph Keppen
Keywords(s):  
Category(s): Organic Chemistry, Polymer Chemistry, Health Care, Materials Science, Manufacturing
Electrical Ion Sensors Based on MOSCs
Although metal organic frameworks (MOFs) have proven to be effective for electronic ion sensing, they lack key desirable characteristics such as solution processability due to their insolubility in most common solvents. Metal-organic supercontainers (MOSCs) have a significant advantage over MOFs, as they can be readily dispersed in solution while retaining...
Published: 5/8/2020   |   Inventor(s): Zhenqiang Wang, Zhen Zhang, Nathan Netzer, Indrek Must, Yupu Qiao, Shi-Li Zhang
Keywords(s): Chemistry, Electrical Engineering, Environmental Monitoring, Ion Detection
Category(s): Chemistry, Health Care, Electrical Engineering, Environmental Monitoring, Agriculture, Ion Detection, Materials Science, Sensors
Fluorinated ultra-thin film
Fluoropolymers have experienced widespread use as functional materials in applications ranging from water purification to energy storage. Production of large area, two-dimensional (2D), ultra-thin, semifluorinated polymer films is expected to have significant impacts on multiple fields. Some of these fields are organic electronics and optoelectronics...
Published: 3/30/2020   |   Inventor(s): Haoran Sun
Keywords(s): Fluorinated Materials, Fluorine, Manufacturing, Organic Chemistry, Polymer Chemistry, Semiconductors, Sensors
Category(s): Chemistry, Optoelectronics, Fluorinated Materials, Clean Energy, Polymer Chemistry, Materials Science
Fluorinated Aromatic Materials
Researchers at the University of South Dakota have designed and synthesized new compounds for stable, efficient, and moisture‐resistant optoelectronics. Fluorinated materials are used in many state‐of‐the‐art applications including active matrix liquid crystal displays, lithium ion batteries, and proton exchange membranes for fuel cells. They are also...
Published: 9/9/2022   |   Inventor(s): Haoran Sun
Keywords(s): Chemistry, Fluorinated Materials, Fluorine, Optical Communication, Optoelectronics, Semiconductors
Category(s): Renewable Energy, Fluorinated Materials, Optoelectronics, Semiconductors, Materials Science