-
公开(公告)号：US20170298504A1
公开(公告)日：2017-10-19
申请号：US15099464
申请日：2016-04-14
摘要： A method for transferring a graphene sheet from a copper substrate to a functional substrate includes forming the graphene sheet on the copper substrate using chemical vapor deposition, and irradiating the graphene sheet disposed on the copper substrate with a plurality of xenon ions using broad beam irradiation to form a prepared graphene sheet. The prepared graphene sheet is resistant to forming unintentional defects induced during transfer of the prepared graphene sheet to the functional substrate. The method further includes removing the copper substrate from the prepared graphene sheet using an etchant bath, floating the prepared graphene sheet in a floating bath, submerging the functional substrate in the floating bath, and decreasing a fluid level of the floating bath to lower the prepared graphene sheet onto the functional substrate.
-
2.发明申请公开(公告)号：US20170296972A1
公开(公告)日：2017-10-19
申请号：US15099482
申请日：2016-04-14
CPC分类号： B01D63/081 , B01D61/38 , B01D63/087 , B01D65/108 , B01D69/10 , B01D71/021 , B01D71/24 , B01D2323/30 , B01D2323/46
摘要： Two-dimensional materials having apertures in their basal planes are described, where at least a portion of the apertures are occluded with a selectively introduced occluding moiety. Occluding moieties that pass into apertures function to occlude apertures. Composite membranes are described having a porous substrate with a two-dimensional material disposed on the membrane and covering only a portion of the pores, wherein at least a portion of uncovered substrate pores are occluded. Pore occlusion can be achieved by introduction of an occluding particle optionally followed by chemical reaction, deformation or swelling of the particle to facilitate occlusion of pores. Two-dimensional materials covering substrate pores can be size-selected and optionally functionalized providing for selective permeability through composite membranes. Methods for occluding defects and apertures in two-dimensional materials and for selectively occluding pores in composite membranes are provided. Selectively occluded materials and membranes are useful in filtration and other applications.
-
公开(公告)号：US20160339160A1
公开(公告)日：2016-11-24
申请号：US15099588
申请日：2016-04-14
发明人： Peter V. Bedworth , Steven Edward Bullock , Sarah M. Simon , Steven W. Sinton , John. B. Stetson , Jacob L. Swett , Scott E. Heise
IPC分类号： A61M1/16 , B01D61/24 , B01D71/02 , H01J37/305
CPC分类号： A61M1/1623 , A61M1/1621 , A61M1/1631 , A61M2207/00 , B01D61/243 , B01D67/0062 , B01D67/0069 , B01D67/0072 , B01D69/10 , B01D71/021 , H01J37/3056 , H01J2237/3174
摘要： Various systems and methods relating to two-dimensional materials such as graphene. A membrane include a cross-linked graphene platelet polymer that includes a plurality of cross-linked graphene platelets. The cross-linked graphene platelets include a graphene portion and a cross-linking portion. The cross-linking portion contains a 4 to 10 atom link. The cross-linked graphene platelet polymer is produced by reaction of an epoxide functionalized graphene platelet and a (meth)acrylate or (meth)acrylamide functionalized cross-linker.
摘要翻译： 与二维材料如石墨烯有关的各种系统和方法。 膜包括交联石墨烯血小板聚合物，其包括多个交联的石墨烯血小板。 交联石墨烯片晶包括石墨烯部分和交联部分。 交联部分含有4〜10个原子连接。 交联石墨烯血小板聚合物通过环氧化物官能化的石墨烯片和（甲基）丙烯酰胺官能化交联剂的反应制备。
-
公开(公告)号：US20140272286A1
公开(公告)日：2014-09-18
申请号：US14200530
申请日：2014-03-07
CPC分类号： B01D69/122 , B01D67/006 , B01D67/0079 , B01D69/10 , B01D71/021 , B01D71/022 , B01D71/26 , B01D71/34 , B01D71/40 , B01D71/48 , B01D71/50 , B01D2323/34 , B01D2325/028 , B29C67/20 , B32B3/266 , B32B9/00 , B32B27/06 , B32B2305/026 , Y10T428/24322
摘要： A method for making a nanoporous membrane is disclosed. The method provides a composite film comprising an atomically thin material layer and a polymer layer, and then bombarding the composite film with energetic particles to form a plurality of pores through at least the atomically thin material layer. The nanoporous membrane also has a atomically thin material layer with a plurality of apertures therethrough and a polymer film layer adjacent one side of the graphene layer. The polymer film layer has a plurality of enlarged pores therethrough, which are aligned with the plurality of apertures. All of the enlarged pores may be concentrically aligned with all the apertures. In one embodiment the atomically thin material layer is graphene.
摘要翻译： 公开了制造纳米多孔膜的方法。 该方法提供了包含原子薄的材料层和聚合物层的复合膜，然后用能量粒子轰击复合膜，以通过至少原子薄的材料层形成多个孔。 纳米多孔膜还具有原子薄的材料层，其具有穿过其中的多个孔和邻近石墨烯层的一侧的聚合物膜层。 聚合物膜层具有与多个孔对准的多个通过其的扩大孔。 所有扩大的孔可以与所有孔同心对齐。 在一个实施例中，原子薄的材料层是石墨烯。
-
公开(公告)号：US10418143B2
公开(公告)日：2019-09-17
申请号：US15099269
申请日：2016-04-14
IPC分类号： B32B9/00 , H01B1/04 , C01B32/00 , C01B32/152 , B82Y30/00
摘要： Sheets of graphene-based material comprising single layer graphene and suitable for formation of a plurality of perforations in the single layer graphene are provided. In an aspect, the sheets of graphene-based material are formed by chemical vapor deposition followed by one or more conditioning steps. In a further aspect, the sheets of graphene-based material include non-graphenic carbon-based material and may be characterized the amount, mobility and/or volatility of the non-graphenic carbon-based material.
-
公开(公告)号：US09505192B2
公开(公告)日：2016-11-29
申请号：US14200530
申请日：2014-03-07
CPC分类号： B01D69/122 , B01D67/006 , B01D67/0079 , B01D69/10 , B01D71/021 , B01D71/022 , B01D71/26 , B01D71/34 , B01D71/40 , B01D71/48 , B01D71/50 , B01D2323/34 , B01D2325/028 , B29C67/20 , B32B3/266 , B32B9/00 , B32B27/06 , B32B2305/026 , Y10T428/24322
摘要： A method for making a nanoporous membrane is disclosed. The method provides a composite film comprising an atomically thin material layer and a polymer layer, and then bombarding the composite film with energetic particles to form a plurality of pores through at least the atomically thin material layer. The nanoporous membrane also has a atomically thin material layer with a plurality of apertures therethrough and a polymer film layer adjacent one side of the graphene layer. The polymer film layer has a plurality of enlarged pores therethrough, which are aligned with the plurality of apertures. All of the enlarged pores may be concentrically aligned with all the apertures. In one embodiment the atomically thin material layer is graphene.
摘要翻译： 公开了制造纳米多孔膜的方法。 该方法提供了包含原子薄的材料层和聚合物层的复合膜，然后用能量粒子轰击复合膜，以通过至少原子薄的材料层形成多个孔。 纳米多孔膜还具有原子薄的材料层，其具有穿过其中的多个孔和邻近石墨烯层的一侧的聚合物膜层。 聚合物膜层具有与多个孔对准的多个通过其的扩大孔。 所有扩大的孔可以与所有孔同心对齐。 在一个实施例中，原子薄的材料层是石墨烯。
-
公开(公告)号：US20210229046A1
公开(公告)日：2021-07-29
申请号：US16775488
申请日：2020-01-29
摘要： Systems and methods described herein may produce a modified substrate. A process for producing a modified substrate may include providing a substrate that is 5 microns or less in thickness, ion tracking the substrate, and etching the tracked substrate with an etchant to produce a plurality of pores in the substrate. In some implementations, the substrate may be a polymer. In some implementations, the ion tracking may include controlling a flux of ions passing through the substrate to achieve a desired pore density. In some implementations, the track-etching of the substrate may create a 10% or more porosity in the substrate. In some implementations, the process may further include using the track-etched substrate as a support substrate for at least one of a single-layer graphene film, multi-layer graphene film, stack of graphene films, nanostructure of graphene flakes, or nanostructure of graphene platelets.
-
公开(公告)号：US10653824B2
公开(公告)日：2020-05-19
申请号：US15099588
申请日：2016-04-14
发明人： Peter V. Bedworth , Steven Edward Bullock , Sarah M. Simon , Steven W. Sinton , John B. Stetson, Jr. , Jacob L. Swett , Scott E. Heise
摘要： Various systems and methods relating to two-dimensional materials such as graphene. A membrane include a cross-linked graphene platelet polymer that includes a plurality of cross-linked graphene platelets. The cross-linked graphene platelets include a graphene portion and a cross-linking portion. The cross-linking portion contains a 4 to 10 atom link. The cross-linked graphene platelet polymer is produced by reaction of an epoxide functionalized graphene platelet and a (meth)acrylate or (meth)acrylamide functionalized cross-linker.
-
公开(公告)号：US10017852B2
公开(公告)日：2018-07-10
申请号：US15099464
申请日：2016-04-14
摘要： A method for transferring a graphene sheet from a copper substrate to a functional substrate includes forming the graphene sheet on the copper substrate using chemical vapor deposition, and irradiating the graphene sheet disposed on the copper substrate with a plurality of xenon ions using broad beam irradiation to form a prepared graphene sheet. The prepared graphene sheet is resistant to forming unintentional defects induced during transfer of the prepared graphene sheet to the functional substrate. The method further includes removing the copper substrate from the prepared graphene sheet using an etchant bath, floating the prepared graphene sheet in a floating bath, submerging the functional substrate in the floating bath, and decreasing a fluid level of the floating bath to lower the prepared graphene sheet onto the functional substrate.
-
公开(公告)号：US20170035943A1
公开(公告)日：2017-02-09
申请号：US15099193
申请日：2016-04-14
CPC分类号： A61L31/024 , A61L31/084 , A61L31/122 , A61L31/146 , A61L31/16 , A61L2300/62 , A61L2300/64 , A61L2420/04 , A61L2420/08
摘要： Two-dimensional materials can be formed into enclosures for various substances and a substrate layer can be provided on an outside and/or on an inside of the enclosure, wherein the enclosure is not cytotoxic. The enclosures can be exposed to an environment, such as a biological environment (in vivo or in vitro), where the fibrous layer can promote vascular ingrowth. One or more substances within the enclosure can be released into the environment, one or more selected substances from the environment can enter the enclosure, one or more selected substances from the environment can be prevented from entering the enclosure, one or more selected substances can be retained within the enclosure, or combinations thereof. The enclosure can, for example, allow a sense-response paradigm to be realized. The enclosure can, for example, provide immunoisolation for materials, such as living cells, retained therein.
摘要翻译： 二维材料可以形成为各种物质的外壳，并且可以在外壳的外部和/或内部提供基底层，其中外壳不是细胞毒性的。 外壳可以暴露于诸如生物环境（体内或体外）的环境中，其中纤维层可以促进血管向内生长。 外壳内的一种或多种物质可以释放到环境中，来自环境的一种或多种选择的物质可以进入外壳，可以防止来自环境的一种或多种选择的物质进入外壳，一种或多种选择的物质可以是 保持在外壳内，或其组合。 例如，外壳可以允许实现感应响应范例。 外壳可以例如为保留在其中的材料（例如活细胞）提供免疫隔离。
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.023 秒)
