Search Results - xiaogang+yang

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Steric Hindrance Effect of Additives for Tuning the Perovskite Crystal Orientation (Case No. 2024-023)
Summary: UCLA Researchers in the Department of Materials Science and Engineering have developed a method to tune perovskite crystal orientation for increased performance, energy efficiency, and reduced material defect with a variety of field applications, including solar cells and LEDs. Background: Perovskite holds considerable promise as a highly...
Published: 10/25/2024   |   Inventor(s): Yang Yang, Chunqing Ma, Haoxiang Duan, Dong Meng
Keywords(s): Energy Efficiency, energy-efficient, Imaging, Liquid-Crystal Display, Nanocrystal, OLED, Optoelectronics, organic photo detector, organic photovoltaics, perovskite, perovskite devices, perovskite solar cell, photodetection, Solar Cell, X-ray detectors
Category(s): Chemical > Chemical Processing & Manufacturing, Energy & Environment > Energy Efficiency, Energy & Environment, Materials > Composite Materials, Optics & Photonics, Optics & Photonics > Fiber Optics, Materials > Functional Materials
2023-087 Thiophene Configurable Amorphous Small Molecular Hole Transporting Material for Efficient and Stable Perovskite Solar Cell
Summary: UCLA researchers in the Department of Materials Science and Engineering have invented a series of hole transporting materials that have enabled among the highest recorded power conversion efficiencies for perovskite solar cells while maintaining high device stability and low cost. Background: Perovskite solar cells (PSCs) are an emerging...
Published: 6/25/2024   |   Inventor(s): Yang Yang, Dong Meng
Keywords(s): buffer layer, charge collection, charge collection efficiency, charge extraction, charge-transfer, device architectures, device stability, hole transporting material, hydrophobicity, interfacial layer, ion-migration, n-i-p device, perovskite, Perovskite Lead(II) Iodide, perovskite solar cell, photostability, p-i-n device, power conversion efficiency, radiosurgery, Silicon Working Electrode Perovskite (Structure), spinal surgery, thermal stability
Category(s): Chemical, Electrical, Energy & Environment > Energy Generation > Solar, Materials, Materials > Functional Materials, Electrical > Electronics & Semiconductors
Ultra-Sensitive Solid-State Magnetic Field Sensors based on Anomalous Hall Effect
Overview Magnetic sensors are widely used in industry, for example, in automotive applications, information storage, metrology, medical devices, and IoT sensors. Our novel high-performing magnetic sensors have both ultra-detectability and high stability, and are inexpensive to manufacture. They also have low intrinsic noise, high temperature stability,...
Published: 6/7/2024   |   Inventor(s): Gang Xiao, Kang Wang, Yiou Zhang
Keywords(s):  
Category(s): Hardware, Sensors
New Small Molecules for Stable and Efficient Organic Photovoltaics (UCLA Case No. 2023-086)
Summary: UCLA researchers in the Department of Materials Science and Engineering have developed a novel molecule for organic photovoltaics, photodetectors, organic field effect transistors, and other relevant applications. Background: Among all competing photovoltaic technologies, the organic photovoltaics (OPVs) market is likely to grow the fastest,...
Published: 12/8/2023   |   Inventor(s): Yang Yang, Dong Meng
Keywords(s): Concentrated Solar Power, Concentrated Solar Power Chemical Engineering, energy conversion, energy conversion applications, energy recycle, interfacial layer, Methods Of Detecting Extrasolar Planets, multi-junction tandem devices, near-infrared, organic field effect transistors, organic photo detector, organic photovoltaics, Organic Solar Cell, perovskite devices, perovskite solar cell, Polymer Solar Cell, rganic light-emitting diodes, Solar Cell, Solar Cell Metamaterial, Solar Cell Molecular Electronics, Solar Energy, Thin Film Solar Cell, transparent OPVs, ultra-narrow bandgap
Category(s): Electrical, Electrical > Electronics & Semiconductors, Materials > Functional Materials, Energy & Environment > Energy Generation > Solar
Artificial Neural Network for Volt/Var Control of Smart Inverters at Grid Edge
­ The Problem: As more homes are fitted with solar panels or other renewable energy sources, the network of Distributed Energy Resources (DER) becomes large and more complex. Due to irregularities in the power supplied by these resources, the power grid needs a mechanism to ensure it is always producing a voltage within a pre-specified range. The...
Published: 2/27/2023   |   Inventor(s): Shuhui Li, Malek Ramezani, Yang Xiao
Keywords(s):  
Category(s): Technology Classifications > Communication, Technology Classifications > Energy
Giant Spin Hall Effect and Spin-Transfer-Torque Induced Switching in W/CoFeB/MgO with Perpendicular Magnetic Anisotropy
­Giant Spin Hall Effect in Beta-Tungsten Overview Our invention uses a compound that mimics a natural peptide or protein, called a peptidomimetic compound, to treat neuronal injury. Administered prophylactically as soon as possible after injury, the compound is particularly effective in the case of stroke, traumatic brain injury (TBI), and...
Published: 2/8/2023   |   Inventor(s): Gang Xiao, Qiang Hao
Keywords(s):  
Category(s): Neurotechnology
A magnetic gradiometer device based on magnetic tunneling junctions for use in detection and measurement of structural integrity, inhomogeneities, and magnetic properties of magnetic materials including magnetic cement over large standoff distances
Magnetic Gradiometer Device Based on Magnetic Tunneling Overview Nondestructive testing (NDT) is widely used in industry for noninvasive inspection, diagnosis, and evaluation of materials for defects. Our novel magnetic gradiometer can be used for detection and measurement of structural integrity, inhomogeneities, and magnetic properties of magnetic...
Published: 1/18/2023   |   Inventor(s): Gang Xiao, Guanyang He, Yiou Zhang, Xixiang Zhang
Keywords(s):  
Category(s): Devices
2022-216 Electrode for Rechargeable Batteries that Resists Dendrite Growth
Summary: UCLA researchers in the Department of Material Science and Engineering have developed electrodes for rechargeable batteries which resist dendrite growth. Background: Rechargeable batteries have attracted attention due to their wide array of applications and environmental benefits. Rechargeable metal-ion batteries, such as lithium-ion batteries,...
Published: 11/15/2024   |   Inventor(s): Yang Yang, Xiaochun Li
Keywords(s): Alloy, Dendrite, Electrode, Lithium Battery, Lithium-Ion Battery, Nanoelectronics, Nanoparticle, Rechargeable Battery, Rechargeable Battery Thermal Conductivity
Category(s): Materials > Semiconducting Materials, Energy & Environment > Energy Efficiency, Energy & Environment > Energy Storage, Electrical > Electronics & Semiconductors, Energy & Environment > Energy Storage > Batteries
Ultrasensitive magnetic sensors using magnetic tunneling junctions incorporated with multiple stages of magnetic flux concentrators
­Ultrasensitive Magnetic Tunneling Junction Sensor Overview The sensitivity of current magnetic sensors is often inadequate. Our novel technology incorporates an on-chip magnetic flux concentrator (onMFC) and an external magnetic flux concentrator (exMFC) on a magnetic tunneling junction sensor placed on a silicon wafer. These double-staged MFCs...
Published: 1/18/2023   |   Inventor(s): Gang Xiao, Guanyang He
Keywords(s):  
Category(s): Devices, Engineering and Sensors
Reconstructing Charge Collection Efficiency in Three Dimensions
Background The charge collection efficiency is a critical metric to evaluate the local electrical performance of optoelectronic devices. For example, defects show up as reduced charge collection efficiency. In two dimensions, the charge collection efficiency can, for example, be evaluated by the analysis of laser-beam induced current (LBIC), electron-beam...
Published: 2/23/2023   |   Inventor(s): Michael Stueckelberger, Xiaogang Yang, Mariana Bertoni
Keywords(s):  
Category(s): Physical Science, Advanced Materials/Nanotechnology, Semiconductor Devices, Semiconductors, Materials & Processes
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