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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201804977
|2 doi
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|a pubmed24n0966.xml
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|a (DE-627)NLM290029317
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|a (NLM)30368941
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|a DE-627
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|e rakwb
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|a eng
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|a Kidambi, Piran R
|e verfasserin
|4 aut
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|a Facile Fabrication of Large-Area Atomically Thin Membranes by Direct Synthesis of Graphene with Nanoscale Porosity
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 17.12.2018
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|a Date Revised 01.10.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Direct synthesis of graphene with well-defined nanoscale pores over large areas can transform the fabrication of nanoporous atomically thin membranes (NATMs) and greatly enhance their potential for practical applications. However, scalable bottom-up synthesis of continuous sheets of nanoporous graphene that maintain integrity over large areas has not been demonstrated. Here, it is shown that a simple reduction in temperature during chemical vapor deposition (CVD) on Cu induces in-situ formation of nanoscale defects (≤2-3 nm) in the graphene lattice, enabling direct and scalable synthesis of nanoporous monolayer graphene. By solution-casting of hierarchically porous polyether sulfone supports on the as-grown nanoporous CVD graphene, large-area (>5 cm2 ) NATMs for dialysis applications are demonstrated. The synthesized NATMs show size-selective diffusive transport and effective separation of small molecules and salts from a model protein, with ≈2-100× increase in permeance along with selectivity better than or comparable to state-of-the-art commercially available polymeric dialysis membranes. The membranes constitute the largest fully functional NATMs fabricated via bottom-up nanopore formation, and can be easily scaled up to larger sizes permitted by CVD synthesis. The results highlight synergistic benefits in blending traditional membrane casting with bottom-up pore creation during graphene CVD for advancing NATMs toward practical applications
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|a Journal Article
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|a bottom-up synthesis
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|a dialysis and de-salting
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|a nanoporous atomically thin membranes (NATMs)
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|a nanoporous graphene membrane
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|a nanoscale pores
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| 650 |
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4 |
|a selective transport
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1 |
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|a Nguyen, Giang D
|e verfasserin
|4 aut
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1 |
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|a Zhang, Sui
|e verfasserin
|4 aut
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|a Chen, Qu
|e verfasserin
|4 aut
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1 |
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|a Kong, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Warner, Jamie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, An-Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Karnik, Rohit
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 30(2018), 49 vom: 30. Dez., Seite e1804977
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:30
|g year:2018
|g number:49
|g day:30
|g month:12
|g pages:e1804977
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|u http://dx.doi.org/10.1002/adma.201804977
|3 Volltext
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