Granted Patent
B2
US 12,264,070 · App. 17/030,480 · Granted Apr 1, 2025
Two-dimensional amorphous carbon coating and methods of growing and differentiating stem cells
Inventors:
Barbaros Ozyilmaz (Singapore, SG); Carlo Mendoza Orofeo (Singapore, SG); Henrik Andersen (Singapore, SG); Hongji Zhang (Singapore, SG); Chee Tat Toh (Singapore, SG); Inigo Martin-Fernandez (Singapore, SG)
Assignee:
National University of Singapore
C01B32/05A61L27/08A61L27/303A61L27/50C12N5/0602C23C14/0005C23C16/01C23C16/27H01M4/8657H01M4/8803H01M4/98H01M8/1023H01M8/1039H01M8/1053A61L2420/02C01P2002/02C01P2002/04C01P2002/20C01P2006/40C12N2501/10C12N2533/00H01M2008/1095
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Abstract
Described is a composite material composed of an atomically thin (single layer) amorphous carbon disposed on top of a substrate (metal, glass, oxides) and methods of growing and differentiating stem cells.
Claims (14)
1. A method of forming, an article comprising:
a substrate; and
a two-dimensional (2D) amorphous carbon film disposed on a surface of the substrate, wherein the 2D amorphous carbon film has a crystallinity in a range of 0.5≤(C)≤0.8 and is homogenous, the method comprising:
decomposing a precursor gas to generate at least one decomposed species by photolytic decomposition; and
forming the 2D amorphous carbon film from the at least one decomposed species on a surface of the substrate,
wherein the precursor gas comprises a hydrocarbon as a precursor.
2. The method of claim 1 , comprising:
heating the substrate to a temperature of ≤500° C. prior to forming the 2D amorphous carbon film.
3. The method of claim 1 , wherein the 2D amorphous carbon film is formed as a continuous film over substantially the entire substrate surface.
4. The method of claim 1 , comprising:
separating the 2D amorphous carbon film from the surface of the substrate to obtain a free-standing 2D amorphous carbon film.
5. The method of claim 1 , comprising:
transferring a free-standing 2D amorphous carbon film onto a surface of another substrate.
6. The method of claim 1 , wherein the 2D amorphous carbon film has a transmittance equal to or greater than 98% at a wavelength of 550 nm to 650 nm.
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Sep 24, 2020
From: OZYILMAZ, BARBAROS; OROFEO, CARLO MENDOZA; ANDERSEN, HENRIK; ZHANG, HONJI; TOH, CHEE TAT; FERNANDEZ, INIGO MARTIN
To: NATIONAL UNIVERSITY OF SINGAPORE
Reel/Frame 053867/0497 →
Continuity (4)
Provisional Application
62546680
· Aug 17, 2017
Provisional Application
62463112
· Feb 24, 2017
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