CO2 regulates molecular rotor dynamics in porous materials

被引：37

作者：

Bracco, S. ^{[1
]}

Miyano, T. ^{[2
]}

Negroni, M. ^{[1
]}

Bassanetti, I. ^{[1
]}

Marchio, L. ^{[3
]}

Sozzani, P. ^{[1
]}

Tohnai, N. ^{[2
]}

Comotti, A. ^{[1
]}

机构：

[1] Univ Milano Bicocca, Dept Mat Sci, Via R Cozzi 55, I-2015 Milan, Italy

[2] Osaka Univ, Grad Sch Engn, Dept Mat & Life Sci, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan

[3] Univ Parma, Dept Chem, Parco Area Sci 17-A, I-43124 Parma, Italy

来源：

CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 55期

关键词：

CARBON-DIOXIDE; AROMATIC RING; INCLUSION; CRYSTALS; SELECTIVITY; ADSORPTION; POLYMERS; BINDING; METHANE; MOTION;

D O I：

10.1039/c7cc02983g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A crystalline hydrogen-bonded framework with permanent porosity, built by rod-like struts and engineered to bear ultra-fast molecular rotors between two triple bonds, offers the possibility of controlling the rotational rates upon CO2 adsorption. CO2 enters the pores from the gas phase and reduces the rotational rates from the extremely fast regime of 10(7) Hz at 216 K to 10(5) Hz. The CO2-rotor interaction was evident from the H-2 NMR response to the dynamics of the rotors in contact with CO2 in the crystal structure.

引用

页码：7776 / 7779

页数：4