http://scholar.google.com/citations?hl=en&user=95SvbM8AAAAJ
1.
Brunetto, G; Galvao, DS
Graphene-like Membranes: From Impermeable to Selective Sieves Proceedings
Cambridge University Press, vol. 1658, 2014.
@proceedings{brunetto2014graphene,
title = {Graphene-like Membranes: From Impermeable to Selective Sieves},
author = {Brunetto, G and Galvao, DS},
url = {http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9248039&fileId=S1946427414004011},
year = {2014},
date = {2014-01-01},
journal = {MRS Proceedings},
volume = {1658},
pages = {mrsf13--1658},
publisher = {Cambridge University Press},
abstract = {Recently, it was proposed that graphene membranes could act as impermeable atomic
structures to standard gases. For some other applications, a higher level of porosity is needed,
and the so-called Porous Graphene (PG) and Biphenylene Carbon (BPC) membranes are good
candidates to effectively work as selective sieves. In this work we have used classical molecular
dynamics simulations to study the dynamics of membrane permeation of He and Ar atoms and
possible selectivity effects. For the graphene membranes we did not observe any leakage
through the membrane and/or membrane/substrate interface until a critical pressure limit, then a
sudden membrane detachment occurs. PG and BPC membranes are not impermeable as
graphene ones, but there are significant energy barriers to diffusion depending on the atom type.
Our results show that this kind of porous membranes can be effectively used as selective sieves
for pure and mixtures of gases.},
keywords = {},
pubstate = {published},
tppubtype = {proceedings}
}
Recently, it was proposed that graphene membranes could act as impermeable atomic
structures to standard gases. For some other applications, a higher level of porosity is needed,
and the so-called Porous Graphene (PG) and Biphenylene Carbon (BPC) membranes are good
candidates to effectively work as selective sieves. In this work we have used classical molecular
dynamics simulations to study the dynamics of membrane permeation of He and Ar atoms and
possible selectivity effects. For the graphene membranes we did not observe any leakage
through the membrane and/or membrane/substrate interface until a critical pressure limit, then a
sudden membrane detachment occurs. PG and BPC membranes are not impermeable as
graphene ones, but there are significant energy barriers to diffusion depending on the atom type.
Our results show that this kind of porous membranes can be effectively used as selective sieves
for pure and mixtures of gases.
structures to standard gases. For some other applications, a higher level of porosity is needed,
and the so-called Porous Graphene (PG) and Biphenylene Carbon (BPC) membranes are good
candidates to effectively work as selective sieves. In this work we have used classical molecular
dynamics simulations to study the dynamics of membrane permeation of He and Ar atoms and
possible selectivity effects. For the graphene membranes we did not observe any leakage
through the membrane and/or membrane/substrate interface until a critical pressure limit, then a
sudden membrane detachment occurs. PG and BPC membranes are not impermeable as
graphene ones, but there are significant energy barriers to diffusion depending on the atom type.
Our results show that this kind of porous membranes can be effectively used as selective sieves
for pure and mixtures of gases.
2014
1.
Brunetto, G; Galvao, DS
Graphene-like Membranes: From Impermeable to Selective Sieves Proceedings
Cambridge University Press, vol. 1658, 2014.
Resumo | Links | BibTeX | Tags: Graphene, Membranes, Porous Graphene, Sieves
@proceedings{brunetto2014graphene,
title = {Graphene-like Membranes: From Impermeable to Selective Sieves},
author = {Brunetto, G and Galvao, DS},
url = {http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9248039&fileId=S1946427414004011},
year = {2014},
date = {2014-01-01},
journal = {MRS Proceedings},
volume = {1658},
pages = {mrsf13--1658},
publisher = {Cambridge University Press},
abstract = {Recently, it was proposed that graphene membranes could act as impermeable atomic
structures to standard gases. For some other applications, a higher level of porosity is needed,
and the so-called Porous Graphene (PG) and Biphenylene Carbon (BPC) membranes are good
candidates to effectively work as selective sieves. In this work we have used classical molecular
dynamics simulations to study the dynamics of membrane permeation of He and Ar atoms and
possible selectivity effects. For the graphene membranes we did not observe any leakage
through the membrane and/or membrane/substrate interface until a critical pressure limit, then a
sudden membrane detachment occurs. PG and BPC membranes are not impermeable as
graphene ones, but there are significant energy barriers to diffusion depending on the atom type.
Our results show that this kind of porous membranes can be effectively used as selective sieves
for pure and mixtures of gases.},
keywords = {Graphene, Membranes, Porous Graphene, Sieves},
pubstate = {published},
tppubtype = {proceedings}
}
Recently, it was proposed that graphene membranes could act as impermeable atomic
structures to standard gases. For some other applications, a higher level of porosity is needed,
and the so-called Porous Graphene (PG) and Biphenylene Carbon (BPC) membranes are good
candidates to effectively work as selective sieves. In this work we have used classical molecular
dynamics simulations to study the dynamics of membrane permeation of He and Ar atoms and
possible selectivity effects. For the graphene membranes we did not observe any leakage
through the membrane and/or membrane/substrate interface until a critical pressure limit, then a
sudden membrane detachment occurs. PG and BPC membranes are not impermeable as
graphene ones, but there are significant energy barriers to diffusion depending on the atom type.
Our results show that this kind of porous membranes can be effectively used as selective sieves
for pure and mixtures of gases.
structures to standard gases. For some other applications, a higher level of porosity is needed,
and the so-called Porous Graphene (PG) and Biphenylene Carbon (BPC) membranes are good
candidates to effectively work as selective sieves. In this work we have used classical molecular
dynamics simulations to study the dynamics of membrane permeation of He and Ar atoms and
possible selectivity effects. For the graphene membranes we did not observe any leakage
through the membrane and/or membrane/substrate interface until a critical pressure limit, then a
sudden membrane detachment occurs. PG and BPC membranes are not impermeable as
graphene ones, but there are significant energy barriers to diffusion depending on the atom type.
Our results show that this kind of porous membranes can be effectively used as selective sieves
for pure and mixtures of gases.
