Self-Accelerating CO Sorption in a Soft Nanoporous Crystal

被引：417

作者：

Sato, Hiroshi ^{[1
,2
]}

Kosaka, Wataru ^{[1
,2
]}

Matsuda, Ryotaro ^{[1
,2
]}

Hori, Akihiro ^{[2
]}

Hijikata, Yuh ^{[3
]}

Belosludov, Rodion V. ^{[4
]}

Sakaki, Shigeyoshi ^{[3
]}

Takata, Masaki ^{[2
,5
]}

Kitagawa, Susumu ^{[1
,2
,6
]}

机构：

[1] Kyoto Univ, Inst Integrated Cell Mat Sci WPI ICeMS, Kyoto 6158510, Japan

[2] RIKEN SPring 8 Ctr, Mikazuki, Hyogo 6795148, Japan

[3] Kyoto Univ, Fukui Inst Fundamental Chem, Kyoto 6068103, Japan

[4] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[5] Japan Synchrotron Radiat Res Inst SPring 8, Sayo, Hyogo 6795198, Japan

[6] Kyoto Univ, Grad Sch Engn, Dept Synthet Chem & Biol Chem, Kyoto 6158510, Japan

来源：

SCIENCE | 2014年 / 343卷 / 6167期

基金：

日本科学技术振兴机构;

关键词：

METAL-ORGANIC FRAMEWORKS; ADSORPTION PROPERTIES; COORDINATION-POLYMER; CAPTURE; GASES;

D O I：

10.1126/science.1246423

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：

Carbon monoxide (CO) produced in many large-scale industrial oxidation processes is difficult to separate from nitrogen (N-2), and afterward, CO is further oxidized to carbon dioxide. Here, we report a soft nanoporous crystalline material that selectively adsorbs CO with adaptable pores, and we present crystallographic evidence that CO molecules can coordinate with copper(II) ions. The unprecedented high selectivity was achieved by the synergetic effect of the local interaction between CO and accessible metal sites and a global transformation of the framework. This transformable crystalline material realized the separation of CO from mixtures with N-2, a gas that is the most competitive to CO. The dynamic and efficient molecular trapping and releasing system is reminiscent of sophisticated biological systems such as heme proteins.

引用

页码：167 / 170

页数：4

共 27 条

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