2021
DOI: 10.1016/j.memsci.2020.118745
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Centimeter-scale gas-sieving nanoporous single-layer graphene membrane

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Cited by 28 publications
(39 citation statements)
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“…By depositing 100 nm of Au, we were able to achieve an exceptional H 2 /CO 2 separation factor of 31.3 at H 2 permeance of 2.23 × 10 5 GPU permeance (Table S2, Supporting Information), which is the highest value reported to date at this permeance range. [ 14,28,33–44 ] Considering that more than 90% of H 2 is produced via steam reforming process, the H 2 /CO 2 separation is also economically very important. [ 45 ] Notably, this is the first demonstration of a large number of pores on the graphene surface with pore sizes below 3 nm for gas‐separation applications.…”
Section: Resultsmentioning
confidence: 99%
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“…By depositing 100 nm of Au, we were able to achieve an exceptional H 2 /CO 2 separation factor of 31.3 at H 2 permeance of 2.23 × 10 5 GPU permeance (Table S2, Supporting Information), which is the highest value reported to date at this permeance range. [ 14,28,33–44 ] Considering that more than 90% of H 2 is produced via steam reforming process, the H 2 /CO 2 separation is also economically very important. [ 45 ] Notably, this is the first demonstration of a large number of pores on the graphene surface with pore sizes below 3 nm for gas‐separation applications.…”
Section: Resultsmentioning
confidence: 99%
“…H 2 /CO 2 separation performance of Au‐coated double‐layer graphene membranes compared to graphene oxide (GO), [ 9,10 ] PG, [ 8 ] polyimide–PG membrane (PI–PGM), [ 28 ] carbon molecular‐sieve membranes (CMS), [ 34 ] polybenzimidazole–20% polymer of intrinsic microporosity (PBI–PIM), [ 41 ] graphene/nanoporous carbon film/multiwalled carbon nanotubes (graphene/NPC/MWNT) membrane, [ 14 ] graphene/nickel microislands (G/Ni‐600‐150), [ 29 ] graphene on polished anodic aluminum oxide (G/AAO), [ 26 ] metal–organic framework (MOF), [ 40 ] zeolitic imidiazole framework (ZIF), [ 38 ] Mobil‐5 zeolite (MFI‐Z), [ 35 ] silica, [ 39,42,43 ] and γ‐alumina [ 36,37 ] membranes. (Table S2, Supporting Information).…”
Section: Resultsmentioning
confidence: 99%
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“…All supports were smoothened before use. 43 All membranes were dried in the vacuum oven at room temperature for at least 12 h before testing.…”
Section: Methodsmentioning
confidence: 99%