Selective Gas Transport Through Few-Layered Graphene and Graphene Oxide Membranes

被引：1307

作者：

Kim, Hyo Won ^{[1
]}

Yoon, Hee Wook ^{[1
]}

Yoon, Seon-Mi ^{[2
,3
]}

Yoo, Byung Min ^{[1
]}

Ahn, Byung Kook ^{[1
]}

Cho, Young Hoon ^{[1
]}

Shin, Hye Jin ^{[1
]}

Yang, Hoichang ^{[4
]}

Paik, Ungyu ^{[1
]}

Kwon, Soongeun ^{[5
]}

Choi, Jae-Young ^{[2
,3
]}

Park, Ho Bum ^{[1
]}

机构：

[1] Hanyang Univ, Dept Energy Engn, Seoul 133791, South Korea

[2] Samsung Elect, SAIT, Suwon 446712, South Korea

[3] SAIT, Graphene Res Ctr, Suwon 446712, South Korea

[4] Inha Univ, Dept Adv Fiber Engn, Inchon 402751, South Korea

[5] Samsung Corning Precis Mat, Ansan 336725, South Korea

来源：

SCIENCE | 2013年 / 342卷 / 6154期

关键词：

POROUS GRAPHENE; SEPARATION; PERMEATION; WATER;

D O I：

10.1126/science.1236098

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Graphene is a distinct two-dimensional material that offers a wide range of opportunities for membrane applications because of ultimate thinness, flexibility, chemical stability, and mechanical strength. We demonstrate that few-and several-layered graphene and graphene oxide (GO) sheets can be engineered to exhibit the desired gas separation characteristics. Selective gas diffusion can be achieved by controlling gas flow channels and pores via different stacking methods. For layered (3- to 10-nanometer) GO membranes, tunable gas transport behavior was strongly dependent on the degree of interlocking within the GO stacking structure. High carbon dioxide/nitrogen selectivity was achieved by well-interlocked GO membranes in high relative humidity, which is most suitable for postcombustion carbon dioxide capture processes, including a humidified feed stream.

引用

页码：91 / 95

页数：5

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