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Efficient Inverse Perovskite Solar Cells by Uniform Deposition of Al2O3
NU 2024-102
INVENTORS
Doekjae Choi
Bin Chen
Ted Sargent*
SHORT DESCRIPTION
This technology significantly improves the efficiency and stability of all-perovskite tandem solar cells through surface functionalization and atomic layer deposition.
BACKGROUND
Voltage deficits in inverted perovskite solar cells occurs primarily at the interface recombination...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Cleantech, Coating, Devices, Energy and Infrastructure, Photovoltaic, Solar, Sustainability
Category(s): Physical Sciences > Materials and Industrial Processes, Physical Sciences > Energy & Sustainability
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Visible Light Photoreduction of CO2 in Pure Water using Quantum Dots as Photosensitizer
Visible Light Photoreduction of CO2 in Pure Water using Quantum Dots as Photosensitizer
NU 2020-225
INVENTORS
Emily Weiss*
Benjamin Nagasing
Francesca Arcudi
Luka Dordevic
Samuel Stupp
SHORT DESCRIPTION
This invention discloses a method for light-driven photocatalytic reduction of CO2 to CO in pure water using colloidal quantum dots as photosensitizers,...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Carbon Dioxide Management, Carbon Utilization, Catalyst, CCUS, Cleantech, Environment, Nanotechnology, Renewable, Solar
Category(s): Physical Sciences > Materials and Industrial Processes
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Lead-Free Solar Cells
NU 2014-049 InventorsFeng Hao Mercouri G. Kanatzidis* Short DescriptionAdvanced lead-free solar cell that uses a perovskite mineral for harvesting light AbstractRecent advances in the field of photovoltaic technology have enabled production of low-cost, high-efficiency solar cells. However, these devices are based on lead-containing perovskite minerals,...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Energy and Infrastructure, Materials, Solar
Category(s): Physical Sciences > Energy & Sustainability
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All-Carbon Counter Electrode for Dye Sensitized Solar Cell
NU 2011-159 Inventors Byunghong Lee Donald B. Buchholz Rober P. H. Chang* Short Description Cost-effective carbon electrode to replace traditional platinum electrodes and improve solar cell efficiency Abstract Dye sensitized solar cells (DSSCs) are an inexpensive alternative to thin film solar cells. However, the efficiency of these solar cells...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Electronics & Circuits, Energy and Infrastructure, Solar
Category(s): Physical Sciences > Energy & Sustainability
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Water Processable Graphene Oxide
NU 2011-126
Inventors
Jiaxing Huang*
Jaemyng Kim
Vincent C. Tung
Short Description
Single walled carbon nanotube composite as anode modifier for polymer solar cells.
Abstract
Northwestern University researchers have developed a novel composite material that will improve production of solar cells. Much like a regular battery, solar cells...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Carbon nanotube, Graphene, Materials, Solar
Category(s): Physical Sciences > Materials and Industrial Processes
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Solid State Solar Cell that Overcomes Limitations of Gratzel Cell
NU 2011-088 and NU 2011-092
Inventors
Robert Chang*
In Chung
Mercouri Kanatzidis*
Konstantinos Stoumpos
Byunghong Lee
Abstract
Northwestern researchers have developed a new solar cell that minimizes the limitations of conventional and current solar cells. This invention, the product of an interdisciplinary collaboration between a chemist...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Cleantech, Energy and Infrastructure, Solar
Category(s): Physical Sciences > Energy & Sustainability
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Metal-Oxide Coating Method for Safer, More Efficient Dye-Sensitized Solar Cells
NU 2010-145 Inventors Joseph T. Hupp* Ho-Jin Son Short DescriptionDye-sensitized solar cells with increased light-to-electrical conversion efficiencies and less cost than conventional silicon-based cellsAbstract The harvesting of solar power is an important initiative in the effort to fulfill the energy requirements of modern society. Dye-sensitized...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Cleantech, Energy and Infrastructure, Manufacturing/Processing, Photovoltaic, Solar
Category(s): Physical Sciences > Energy & Sustainability
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Novel TFB:TPDSi2 Interfacial Layer with Improved Power Conversion Efficiency for Organic Photovoltaic Cells
NU 2007-121 InventorsTobin Marks* Alexander Hains AbstractNorthwestern researchers have developed a new interfacial hole transport/electron-blocking layer for organic photovoltaics. This technology obviates the need for the commonly employed PEDOT:PSS layer and significantly improves the performance of MDMO-PPV:PCBM bulk heterojunction (BHJ) solar cells....
Published: 11/6/2025
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Inventor(s):
Keywords(s): Materials, Photovoltaic, Solar
Category(s): Physical Sciences > Materials and Industrial Processes
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Tin Based 'Perovskites' as Lead-Free Alternative Photovoltaic Materials for Solar Cell Production
NU 2015-050 InventorsMercouri Kanatzidis* Robert Chang* Konstantinos Stoumpos Byunghong Lee Short DescriptionNew, environmentally safe, inorganic material for production of stable and cost-effective solar cells AbstractNorthwestern scientists have developed a novel tin-based perovskite-like material for use in photovoltaic materials for solar cell production....
Published: 11/6/2025
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Inventor(s):
Keywords(s): Energy and Infrastructure, Materials, Solar
Category(s): Physical Sciences > Energy & Sustainability
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Improved Monodispersity of Core/Shell Nanoparticles via Centrifugal Processing
NU 2010-184 InventorsAnne-Isabelle Henry Mark Hersam* Timothy Tyler Richard Van Duyne* AbstractNorthwestern researchers have developed an aqueous surfactant-free centrifugal sorting method for plasmonic nanoantennas. Relatively massive gold/silica nanoparticle clusters yields populations of predominantly one aggregation state and an enhanced ensemble...
Published: 11/6/2025
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Inventor(s):
Keywords(s): Materials, Nanoparticle, Solar
Category(s): Physical Sciences > Materials and Industrial Processes
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