Patents by Inventor Vivek V. Dhas
Vivek V. Dhas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240118602Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises depositing the thin-film precursor ink onto a substrate, drying the thin-film precursor ink to form a thin film, annealing the thin film; and rinsing the thin film with a salt solution.Type: ApplicationFiled: December 20, 2023Publication date: April 11, 2024Inventors: Michael D. Irwin, Kamil Mielczarek, Vivek V. Dhas
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Patent number: 11953821Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises depositing the thin-film precursor ink onto a substrate, drying the thin-film precursor ink to form a thin film, annealing the thin film; and rinsing the thin film with a salt solution.Type: GrantFiled: March 7, 2022Date of Patent: April 9, 2024Assignee: CubicPV Inc.Inventors: Michael D. Irwin, Kamil Mielczarek, Vivek V. Dhas
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Publication number: 20240008295Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of preparing a lead and tin halide precursor ink.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas
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Patent number: 11800726Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of preparing a bismuth halide precursor ink. Preparing a bismuth halide precursor ink comprises the steps of introducing a bismuth halide into a vessel; introducing a first solvent to the vessel; and contacting the bismuth halide with the first solvent to dissolve the bismuth halide to form the bismuth halide precursor ink; depositing the bismuth halide precursor ink onto a substrate; drying the bismuth halide precursor ink to form a thin film; annealing the thin film; and rinsing the thin film with a solvent comprising: a second solvent; a first salt selected from the group consisting of methylammonium halide, formamidinimum halide, guanidinium halide, 1,2,2-triaminovinylammonium halide, and 5-aminovaleric acid hydrohalide; and a second salt selected from the group consisting of methylammonium halide, formamidinimum halide, guanidinium halide, 1,2,2-triaminovinylammonium halide, and 5-aminovaleric acid hydrohalide.Type: GrantFiled: October 20, 2022Date of Patent: October 24, 2023Assignee: CubicPV Inc.Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas
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Publication number: 20230167326Abstract: A method including depositing a lead halide precursor ink onto a substrate; drying the lead halide precursor ink to form a first thin film; annealing the first thin film; and forming a perovskite material layer, wherein forming the perovskite material layer includes: depositing a benzylammonium halide precursor ink onto the first thin film; drying the benzylammonium halide precursor ink; depositing a formamidinium halide precursor ink onto the benzylammonium halide precursor ink; drying the formamidinium halide precursor ink to form a second thin film; and annealing the second thin film.Type: ApplicationFiled: November 28, 2022Publication date: June 1, 2023Inventors: Michael D. Irwin, Minh Tu Nguyen, Vivek V. Dhas, Erin Senehira, Marissa Mitchell
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Patent number: 11508924Abstract: A method for preparing photoactive perovskite materials. The method comprises the step of preparing a germanium halide precursor ink. Preparing a germanium halide precursor ink comprises the steps of: introducing a germanium halide into a vessel, introducing a first solvent to the vessel, and contacting the germanium halide with the first solvent to dissolve the germanium halide. The method further comprises depositing the germanium halide precursor ink onto a substrate, drying the germanium halide precursor ink to form a thin film, annealing the thin film, and rinsing the thin film with a second solvent and a salt.Type: GrantFiled: July 27, 2020Date of Patent: November 22, 2022Assignee: CubicPV Inc.Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas
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Publication number: 20220187695Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises depositing the thin-film precursor ink onto a substrate, drying the thin-film precursor ink to form a thin film, annealing the thin film; and rinsing the thin film with a salt solution.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Inventors: Michael D. Irwin, Kamil Mielczarek, Vivek V. Dhas
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Patent number: 11300870Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises depositing the thin-film precursor ink onto a substrate, drying the thin-film precursor ink to form a thin film, annealing the thin film; and rinsing the thin film with a salt solution.Type: GrantFiled: April 27, 2020Date of Patent: April 12, 2022Assignee: CUBICPV INC.Inventors: Michael D. Irwin, Kamil Mielczarek, Vivek V. Dhas
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Publication number: 20220033658Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes. The active layer may have perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: ApplicationFiled: October 20, 2021Publication date: February 3, 2022Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas, Kamil Mielczarek
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Patent number: 11180660Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes. The active layer may have perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: GrantFiled: June 10, 2019Date of Patent: November 23, 2021Assignee: CUBIC PEROVSKITE LLCInventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas, Kamil Mielczarek
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Publication number: 20210280801Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes, the active layer having perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: ApplicationFiled: May 20, 2021Publication date: September 9, 2021Inventors: Michael D. Irwin, Vivek V. Dhas
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Patent number: 11024814Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes, the active layer having perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: GrantFiled: May 1, 2018Date of Patent: June 1, 2021Assignee: Hunt Perovskite Technologies, L.L.C.Inventors: Michael D. Irwin, Vivek V. Dhas
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Publication number: 20200358436Abstract: A method for preparing photoactive perovskite materials. The method comprises the step of preparing a germanium halide precursor ink. Preparing a germanium halide precursor ink comprises the steps of: introducing a germanium halide into a vessel, introducing a first solvent to the vessel, and contacting the germanium halide with the first solvent to dissolve the germanium halide. The method further comprises depositing the germanium halide precursor ink onto a substrate, drying the germanium halide precursor ink to form a thin film, annealing the thin film, and rinsing the thin film with a second solvent and a salt.Type: ApplicationFiled: July 27, 2020Publication date: November 12, 2020Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas
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Publication number: 20200257190Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises depositing the thin-film precursor ink onto a substrate, drying the thin-film precursor ink to form a thin film, annealing the thin film; and rinsing the thin film with a salt solution.Type: ApplicationFiled: April 27, 2020Publication date: August 13, 2020Inventors: Michael D. Irwin, Kamil Mielczarek, Vivek V. Dhas
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Patent number: 10741779Abstract: A method for preparing photoactive perovskite materials. The method comprises the step of preparing a lead halide precursor ink. Preparing a lead halide precursor ink comprises the steps of: introducing a lead halide into a vessel, introducing a first solvent to the vessel, and contacting the lead halide with the first solvent to dissolve the lead halide. The method further comprises depositing the lead halide precursor ink onto a substrate, drying the lead halide precursor ink to form a thin film, annealing the thin film, and rinsing the thin film with a second solvent and a salt.Type: GrantFiled: June 4, 2018Date of Patent: August 11, 2020Assignee: Hunt Perovskite Technologies, L.L.C.Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas
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Patent number: 10642147Abstract: A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises depositing the thin-film precursor ink onto a substrate, drying the thin-film precursor ink to form a thin film, annealing the thin film; and rinsing the thin film with a salt solution.Type: GrantFiled: January 29, 2018Date of Patent: May 5, 2020Assignee: Hunt Perovskite Technologies LLCInventors: Michael D. Irwin, Kamil Mielczarek, Vivek V. Dhas
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Patent number: 10608190Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes, the active layer having perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: GrantFiled: April 30, 2018Date of Patent: March 31, 2020Assignee: Hee Solar, L.L.C.Inventors: Michael D. Irwin, Vivek V. Dhas
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Publication number: 20190292375Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes. The active layer may have perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: ApplicationFiled: June 10, 2019Publication date: September 26, 2019Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas, Kamil Mielczarek
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Patent number: 10333082Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes, the active layer having perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: GrantFiled: April 30, 2018Date of Patent: June 25, 2019Assignee: HEE Solar, L.L.C.Inventors: Michael D. Irwin, Vivek V. Dhas
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Patent number: 10316196Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes. The active layer may have perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.Type: GrantFiled: September 22, 2017Date of Patent: June 11, 2019Assignee: HEE Solar, L.L.C.Inventors: Michael D. Irwin, Jerred A. Chute, Vivek V. Dhas, Kamil Mielczarek