Patents by Inventor Ahmed Maarouf
Ahmed Maarouf 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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Patent number: 11699767Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: GrantFiled: September 28, 2022Date of Patent: July 11, 2023Assignee: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed Elsayed
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Patent number: 11578403Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: GrantFiled: September 28, 2022Date of Patent: February 14, 2023Assignee: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed Elsayed
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Publication number: 20230032096Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: ApplicationFiled: September 28, 2022Publication date: February 2, 2023Applicant: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed ELSAYED
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Publication number: 20230028787Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: ApplicationFiled: September 28, 2022Publication date: January 26, 2023Applicant: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. MAAROUF, Khaled Abdelsabour Mohamed ELSAYED
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Patent number: 11486036Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: GrantFiled: April 22, 2022Date of Patent: November 1, 2022Assignee: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed Elsayed
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Publication number: 20220243317Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. MAAROUF, Khaled Abdelsabour Mohamed ELSAYED
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Patent number: 11384427Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: GrantFiled: June 10, 2021Date of Patent: July 12, 2022Assignee: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed Elsayed
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Publication number: 20210340009Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: ApplicationFiled: June 10, 2021Publication date: November 4, 2021Applicant: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed Elsayed
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Patent number: 11117801Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: GrantFiled: April 24, 2018Date of Patent: September 14, 2021Assignee: Imam Abdulrahman Bin Faisal UniversityInventors: Ahmed A. Maarouf, Khaled Abdelsabour Mohamed Elsayed
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Patent number: 10566537Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. The nanotube-graphene hybrid film includes a substrate; nanotube film deposited over the substrate to produce a layer of nanotube film; and graphene deposited over the layer of nanotube film to produce a nanotube-graphene hybrid film.Type: GrantFiled: August 6, 2015Date of Patent: February 18, 2020Assignees: International Business Machines Corporation, Egypt Nanotechnology CenterInventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski
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Publication number: 20190326064Abstract: A transparent electrode with a transparent substrate and a composite layer disposed thereon, wherein the composite layer includes a graphene layer and a plurality of nanoparticles, wherein the nanoparticles are embedded in the graphene layer and extend through a thickness of the graphene layer, and wherein the plurality of nanoparticles are in direct contact with the transparent substrate and a gap is present between the graphene layer and the transparent substrate.Type: ApplicationFiled: April 24, 2018Publication date: October 24, 2019Applicant: Imam AbduIrahman Bin Faisal UniversityInventors: Ahmed A. MAAROUF, Khaled Abdelsabour Mohamed ELSAYED
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Patent number: 9954175Abstract: A nanotube-graphene hybrid nano-component and method for forming a cleaned nanotube-graphene hybrid nano-component. The nanotube-graphene hybrid nano-component includes a gate; a gate dielectric formed on the gate; a channel comprising a carbon nanotube-graphene hybrid nano-component formed on the gate dielectric; a source formed over a first region of the carbon nanotube-graphene hybrid nano-component; and a drain formed over a second region of the carbon nanotube-graphene hybrid nano-component to form a field effect transistor.Type: GrantFiled: August 6, 2015Date of Patent: April 24, 2018Assignees: International Business Machines Corporation, Egypt Nanotechnology CenterInventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski
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Patent number: 9933420Abstract: A graphene nanomesh based charge sensor and method for producing a graphene nanomesh based charge sensor. The method includes generating multiple holes in graphene to create a graphene nanomesh with a patterned array of multiple holes; passivating an edge of each of the multiple holes of the graphene nanomesh to allow for functionalization of the graphene nanomesh; and functionalizing the passivated edge of each of the multiple holes of the graphene nanomesh with a chemical compound that facilitates chemical binding of a receptor of a target molecule to the edge of one or more of the multiple holes, wherein the receptor is a molecule that chemically binds to the target molecule, irrespective of the size of the target molecule.Type: GrantFiled: April 29, 2015Date of Patent: April 3, 2018Assignees: International Business Machines Corporation, Egypt Nanotechnology CenterInventors: Ali Afzali-Ardakani, Shu-jen Han, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, Razvan Nistor, Hsinyu Tsai
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Patent number: 9887361Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. A method includes depositing nanotube film over a metal foil to produce a layer of nanotube film, placing the metal foil with as-deposited nanotube film in a chemical vapor deposition furnace to grow graphene on the nanotube film to form a nanotube-graphene hybrid film, and transferring the nanotube-graphene hybrid film over a substrate.Type: GrantFiled: August 6, 2015Date of Patent: February 6, 2018Assignees: International Business Machines Corporation, Egypt Nanotechnology CenterInventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski
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Patent number: 9786405Abstract: Structures and methods for forming a patterned graphene layer on a substrate. One such method includes forming at least one patterned structure of a carbide-forming metal or metal-containing alloy on a substrate, applying a layer of graphene on top of the at least one patterned structure of a carbide-forming metal or metal-containing alloy on the substrate, heating the layer of graphene on top of the at least one patterned structure of a carbide-forming metal or metal-containing alloy in an environment to remove graphene regions proximate to the at least one patterned structure of a carbide-forming metal or metal-containing alloy, and removing the at least one patterned structure of a carbide-forming metal or metal-containing alloy to produce a patterned graphene layer on the substrate, wherein the patterned graphene layer on the substrate provides carrier mobility for electronic devices.Type: GrantFiled: April 29, 2015Date of Patent: October 10, 2017Assignees: International Business Machines Corporation, Egypt Nanotechnologies CenterInventors: Ali Afzali-Ardakani, Ahmed Maarouf, Glenn J. Martyna, Katherine Saenger
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Patent number: 9766229Abstract: A graphene nanomesh based charge sensor and method for producing a graphene nanomesh based charge sensor. A graphene nanomesh based charge sensor includes a graphene nanomesh with a patterned array of multiple holes created by generating multiple holes in graphene in a periodic way, wherein: an edge of each of the multiple holes of the graphene nanomesh is passivated; and the passivated edge of each of the multiple holes of the graphene nanomesh is functionalized with a chemical compound that facilitates chemical binding of a receptor of a target molecule to the edge of one or more of the multiple holes, allowing the target molecule to bind to the receptor, causing a charge to be transferred to the graphene nanomesh to produce a graphene nanomesh based charge sensor for the target molecule.Type: GrantFiled: April 29, 2015Date of Patent: September 19, 2017Assignees: International Business Machines Corporation, Egypt Nanotechnology CenterInventors: Ali Afzali-Ardakani, Shu-jen Han, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, Razvan Nistor, Hsinyu Tsai
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Patent number: 9646833Abstract: An apparatus and method for forming a patterned graphene layer on a substrate. One such method includes forming at least one patterned structure on a substrate; applying a layer of graphene on top of the at least one patterned structure on the substrate; heating the layer of graphene on top of the at least one patterned structure to remove one or more graphene regions proximate to the at least one patterned structure; and removing the at least one patterned structure to produce a patterned graphene layer on the substrate, wherein the patterned graphene layer on the substrate provides carrier mobility for electronic devices.Type: GrantFiled: April 29, 2015Date of Patent: May 9, 2017Assignees: International Business Machines Corporation, Egypt Nanotechnologies CenterInventors: Ali Afzali-Ardakani, Ahmed Maarouf, Glenn J. Martyna, Katherine Saenger
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Publication number: 20150349264Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. A method includes depositing nanotube film over a metal foil to produce a layer of nanotube film, placing the metal foil with as-deposited nanotube film in a chemical vapor deposition furnace to grow graphene on the nanotube film to form a nanotube-graphene hybrid film, and transferring the nanotube-graphene hybrid film over a substrate.Type: ApplicationFiled: August 6, 2015Publication date: December 3, 2015Inventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski
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Publication number: 20150348667Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. The nanotube-graphene hybrid film includes a substrate; nanotube film deposited over the substrate to produce a layer of nanotube film; and graphene deposited over the layer of nanotube film to produce a nanotube-graphene hybrid film.Type: ApplicationFiled: August 6, 2015Publication date: December 3, 2015Inventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski
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Publication number: 20150340617Abstract: A nanotube-graphene hybrid nano-component and method for forming a cleaned nanotube-graphene hybrid nano-component. The nanotube-graphene hybrid nano-component includes a gate; a gate dielectric formed on the gate; a channel comprising a carbon nanotube-graphene hybrid nano-component formed on the gate dielectric; a source formed over a first region of the carbon nanotube-graphene hybrid nano-component; and a drain formed over a second region of the carbon nanotube-graphene hybrid nano-component to form a field effect transistor.Type: ApplicationFiled: August 6, 2015Publication date: November 26, 2015Inventors: Ageeth A. Bol, Bhupesh Chandra, Amal Kasry, Ahmed Maarouf, Glenn J. Martyna, George S. Tulevski