Search Results - xiangfeng+duan

25 Results

Sort By:

Giant Second-Harmonic Generation in Bulk Monolayer MoS2 Thin Films (Case No. 2024-186)

Summary: UCLA researchers in the department of Chemistry and Biochemistry have developed a method to control electron density in molybdenum disulfide (MoS2) thin films that can be used to improve optical material characteristics. Background: Second harmonic generation (SHG) is an optical process in which light interacts with a nonlinear material...

Published: 11/19/2024 | Inventor(s): Xiangfeng Duan, Yu Huang, Boxuan Zhou

Keywords(s): Adaptive Optics, Algorithm Optical Coherence Tomography, all-optical diffractive computing, all-optical transformation, Atomic Force Microscopy Optical Tweezers, bulk monolayer, Composite Material, Composite Materials, Dispersion (Optics), Electro-Optics, Focus (Optics), Functional Materials, Infrared Electromagnetic Spectrum Dispersion (Optics), linear optics, material characterization, Materials, molybdenum disulfide (MOS2), monolayer, Nanomaterials, Near-Field Scanning Optical Microscope, nonlinear dynamics, Nonlinear Optics, non-linear optics, Nonlinear Optics Molecular Dynamics, Optical Coherence , Optical Communication , Optical computing, optical implementation, Optical networks, optical processor, optical transmission, Optics Parabolic Reflector Curved Mirror, Optoelectronic materials, reverse engineered optical system, second harmonic generation, start to end optics design, Surgical Instrument Optical Coherence Tomography

Category(s): Materials, Materials > Functional Materials, Optics & Photonics, Chemical, Chemical > Instrumentation & Analysis

A Library of Layered Hybrid Superlattices and Artificial Quantum Solids (Case No. 2024-098)

Summary: UCLA researchers have developed a novel approach for the generation of hybrid superlattices with tunable properties. Background: Heterostructures are composed of two or more semiconductor crystals with interfaces across which chemical makeup changes, and superlattices are simply composed of nanoscale layers that allow quantum confinement...

Published: 8/7/2024 | Inventor(s): Xiangfeng Duan, Yu Huang, Jingyuan Zhou

Keywords(s):

Category(s): Electrical, Electrical > Quantum Computing, Materials, Materials > Functional Materials, Materials > Semiconducting Materials

A Chemical-Dedoping Strategy to Tailor Electron Density in Molecular-Intercalated Bulk Monolayer MOS2 (Case No. 2024-022)

Summary: UCLA researchers in the Department of Chemistry & Biochemistry have developed a novel strategy to decouple the interlayer interactions in bulk MoS2 to produce a bulk material with desirable monolayer properties. Background: Molybdenum disulfide (MoS2) is a popular and well-studied 2D semiconducting layered material. A single layer, or...

Published: 10/23/2024 | Inventor(s): Xiangfeng Duan, Yu Huang, Boxuan Zhou

Keywords(s): bulk material, bulk monolayer, chemical dedoping, direct bandgap, Doping (Semiconductor), Electronics & Semiconductors, exciton, indirect bandgap, intercalated materials, Microelectronics Semiconductor Device Fabrication, molybdenum disulfide (MOS2), monolayer, Optoelectronic materials, Organic Semiconductor, photoluminescence, photon absorption, Semiconductor, semiconductor chip foundries, Semiconductor Device, Semiconductor Device Fabrication, Semiconductor Ohmic Contact, Semiconductor Risk Assessment, Semiconductor Sapphire, Semiconductors, spin polarization, valley polarization, zzsemiconducting materials

Category(s): Materials, Materials > Functional Materials, Materials > Semiconducting Materials, Electrical, Electrical > Electronics & Semiconductors

Optoelectronic Neuron Array for Nonlinear Optical Modulation and AI Cameras (Case No. 2023-208)

Summary: UCLA researchers in the Departments of Chemistry & Biochemistry and Materials Science & Engineering have developed a novel optoelectronic neuron array for computational imaging and sensing applications that can work under weak broadband incoherent light. Background: Nonlinear optical processing of ambient light is desirable for...

Published: 7/9/2024 | Inventor(s): Xiangfeng Duan, Aydogan Ozcan, Dehui Zhang

Keywords(s):

Category(s): Software & Algorithms, Software & Algorithms > Image Processing, Software & Algorithms > Artificial Intelligence & Machine Learning, Materials, Materials > Nanotechnology, Electrical, Electrical > Signal Processing

High Performance Thin Films from Solution Processible Two-Dimensional Nanoplates (Case No. 2015-175)

Summary: UCLA researchers in the departments of Chemistry and Materials Science have recently developed a novel material for use in flexible, printed electronics. Background: Producing cheap, lightweight, and flexible electronics requires depositing electronic materials onto flexible, plastic substrates. Traditional methods of material deposition...

Published: 6/10/2024 | Inventor(s): Xiangfeng Duan, Yu Huang

Keywords(s):

Category(s): Electrical > Electronics & Semiconductors

Electrocatalysts With Tailored Local Chemical Environment for High-Performance Alkaline Water Electrolysis and Renewable Fuel Generation (Case No. 2023-212)

Summary: UCLA researchers have developed a novel catalytic system that improves reaction kinetics, durability, and resistance to impurities, making it a promising candidate for water electrolyzers and renewable chemical fuel production. Background: Hydrogen, boasting a remarkable energy density of 140 MJ/kg (nearly triple that of typical solid fuels...

Published: 7/10/2024 | Inventor(s): Xiangfeng Duan, Yu Huang, Chengzhang Wan

Keywords(s):

Category(s): Chemical, Chemical > Catalysts, Chemical > Synthesis, Materials, Materials > Nanotechnology, Materials > Functional Materials, Materials > Water Treatment, Energy & Environment, Energy & Environment > Energy Storage, Energy & Environment > Energy Storage > Fuel Cells, Energy & Environment > Energy Efficiency

2022-130 PM-BASED CATALYST WITH TRANSITION ULTRAFINE METAL-OXIDE CORES

Summary: UCLA researchers in the Department of Materials Science and Engineering have developed a method to synthesize uniform Pt-based catalyst nanoparticles with ultralow base transition metal content for fuel cell applications. Background: Ultrafine platinum (Pt)-based catalysts with ultralow base transition metal content can provide high fuel...

Published: 7/19/2023 | Inventor(s): Yu Huang, Xiangfeng Duan, Bosi Peng

Keywords(s): Catalysts, Energy Generation, Transmission, or Storage, Fuel Cell, Fuel Cell Membrane Electrode Assembly, Nanomaterials, Nanoparticles, Platinum

Category(s): Chemical > Catalysts, Materials > Nanotechnology, Materials > Functional Materials, Chemical > Synthesis, Energy & Environment > Energy Storage, Energy & Environment > Energy Storage > Fuel Cells

2022-132 SCALABLE AND RAPID INFRARED RADIATION ASSISTED SYNTHESIS OF NANOPARTICLES

Summary: UCLA researchers in the Department of Materials Science and Engineering have developed a novel and scalable method to synthesize ultrafine nanoparticles. Background: Ultrafine nanoparticles are particles that often exhibit unique properties due to their small size and high surface area to volume ratio. Despite being about 10,000x smaller...

Published: 7/19/2023 | Inventor(s): Yu Huang, Xiangfeng Duan, Bosi Peng

Keywords(s): Catalysts, Nanomaterials, Nanoparticles, Nanotechnology

Category(s): Materials > Nanotechnology, Materials > Functional Materials, Chemical > Synthesis, Energy & Environment > Energy Storage

2021-295 Protected Ultrafine Catalysts, Including Pt-Based Catalysts for Fuel Cell Applications

SUMMARY: UCLA researchers in the Department of Materials Science and Engineering developed a strategy to synthesize ultrafine carbon layers to protect nanocatalysts which are essential for the development of fuel cell technology. BACKGROUND: Platinum catalysts are essential for use in hydrogen fuel cell technologies to cleanly and efficiently produce...

Published: 7/19/2023 | Inventor(s): Yu Huang, Zipeng Zhao, Xiangfeng Duan, Zeyan Liu

Keywords(s): Carbon Nanotube, Catalysts, Energy Efficiency, Energy Generation, Transmission, or Storage, Fuel Cell, Fuel Cell Membrane Electrode Assembly, Nanomaterials, Platinum

Category(s): Materials > Membranes, Materials, Materials > Nanotechnology, Chemical > Catalysts, Energy & Environment > Energy Storage > Batteries, Energy & Environment > Energy Storage > Fuel Cells

2021-006 Flexible Pressure Sensors Made from Robust Conductive Micropyramids for High-Performance Pressure Sensing

SUMMARY UCLA researchers in the Department of Chemistry and Biochemistry have developed flexible pressure-sensors that can mimic slow-adapting type I mechanoreceptors used for human-like object manipulation. BACKGROUND Flexible pressure sensors that mimic slow-adapting type I (SA-I) mechanoreceptors are essential for AI, smart robotics and prosthetics...

Published: 7/19/2023 | Inventor(s): Xiangfeng Duan, Yu Huang, Chao Ma

Keywords(s):

Category(s): Mechanical > Sensors, Electrical > Instrumentation, Electrical > Electronics & Semiconductors, Materials > Nanotechnology

1 2 3