Search Results - photovoltaics

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Surface Texturing to Fabricate Black Silicon for High-efficiency Solar Cells and LEDs
Forms Antireflective Layers on the Surface of Silicon Wafers that Improve Conversion Efficiency of Photovoltaics and Light Extraction of LEDsThis surface texturing develops subwavelength antireflective nanostructures on the faces of single-crystalline and multicrystalline silicon wafers to produce black silicon suitable for highly efficient photovoltaics...
Published: 6/27/2021   |   Inventor(s): Peng Jiang, Zhuxiao Gu, Ruwen Tan
Keywords(s): Antireflection coating, broadband technologies, photovoltaics, Polyimide, self-masking, Silicon
Category(s): Technology Classifications > Engineering > Materials, Technology Classifications > Others > Cleantech
Novel Solar Cell with Dramatically Increased Efficiency
Generates Electricity by Harvesting Energy from Entire Spectrum of LightThis revolutionary solar cell efficiently generates electricity by harvesting energy from the entire spectrum of light. Electricity production is the number one use of renewable energy in the United States, with 17.1% percent of all renewable energy being used by this sector in...
Published: 6/27/2021   |   Inventor(s): Jiangeng Xue
Keywords(s): photovoltaics, Semiconductor Alloys, Semiconductor Nanocrystals, Solar Cells, Solar Energy, Solar Power, Ternary Semiconductor
Category(s): Technology Classifications > Engineering > Electrical
Electroactive Polymers for Enhancing the Mechanical and Electrical Contact to Graphene or Carbon Nanotubes
Improves Adhesion of Secondary Materials onto Graphene and Carbon Nanotube Film Electrodes Without Degrading Their ConductanceThis conjugated polymer ensures reliable non-covalent interactions between secondary materials and carbon nanotube films without degrading the conductivity. Graphene or carbon nanotube films can produce robust, flexible and transparent...
Published: 6/27/2021   |   Inventor(s): Andrew Rinzler, Ryan Walczak, John Reynolds
Keywords(s): Carbon Nanotubes, conducting polymers, conjugated polymers, electroactive polymers, laminate, organic substances, photovoltaics, polycyclic aromatic hydrocarbon, pyrene
Category(s): Technology Classifications > Engineering > Materials
Inexpensive, Earth-Abundant, and Tunable Hole Transport Material for CdTe Solar Cells
Project ID: D2017-08Background Photovoltaic (PV) cells have been produced with a wide variety of materials for each functional layer. The typical PV is a substrate layer coated with a semiconductor layer and two ohmic contacts. Thin film solar cells use a thin absorbing layer, such as Cadmium telluride (CdTe). CdTe is the most eco-friendly, high efficiency,...
Published: 6/18/2024   |   Inventor(s): Randall Ellingson, Khagendra Bhandari, Michael Heben, Suneth Watthage
Keywords(s): CdTe, Hole transport layer, Photovoltaics, Solar cell
Category(s): Electrical, Solar
Broadband Polarization and Color Sensitive Focal Plane Array with Thick Optical Filter and Micro-optics Array
Researchers at the University of Arizona have designed a sensor array with thick IR filters and micro-optics for use in a polarization and color camera. The camera is wide-angle and broad band, yet its design greatly reduces cross-talk between pixels and maintains high resolution. Background: Polarization imaging is key in fields like medicine, remote...
Published: 4/3/2023   |   Inventor(s): Stanley Pau
Keywords(s): optical detection, Optics, photovoltaics, polarimeter, polarimetry, polarization camera, polarization imaging, sensor
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Microscopy, Spectroscopy, Polarimetry, Technology Classifications > Imaging & Optics > Medical Imaging
Segmented Flow for a Continuous Flow Microwave Reactor
Technology Description This invention is a continuous, segmented flow reactor system and method for the production of high quality NCs with microwave radiation. The system for NCs synthesis consists of an NC precursor configured to include an NC precursor solution with the ability to include a microwave reactor, segmentation fluid source, or other configurations...
Published: 5/10/2021   |   Inventor(s): Gregory Herman, Brian Paul, Chih-Hung Chang, Ki-Joong Kim, Richard Oleksak, Padmavathi Chandran, Eric Hostetler, Brendan Flynn, Daniel Peterson, Bob Fitzmorris, Gustavo Albuquerque
Keywords(s): Advanced Technology and Manufacturing Inst. (ATAMI), Chemicals / Chemical Engineering, Computer Software, Materials Science, Nanotechnology, Photovoltaics
Category(s): Engineering
A Simplified Approach to Unidirectional Solidification of Silicon
This method is a simplified approach to performing unidirectional solidification of silicon for the creation of upgraded metallurgical-grade silicon for use in photovoltaics for solar energy production. Background: Silicon is a key ingredient in the creation of photovoltaic (PV) panels for use in solar cells. Polysilicon (polycrystalline silicon)...
Published: 8/1/2024   |   Inventor(s): David Lynch
Keywords(s): photovoltaics, refining silicon, solar-silicon
Category(s): Technology Classifications > Engineering & Physical Sciences, Technology Classifications > Engineering & Physical Sciences > Semiconductors, Technology Classifications > Engineering & Physical Sciences > Industrial & Manufacturing