Effect of gas pressure on negative thermal expansion in MOF-5

被引：34

作者：

Lock, Nina ^{[1
,2
]}

Christensen, Mogens ^{[1
,2
]}

Kepert, Cameron J. ^{[3
]}

Iversen, Bo B. ^{[1
,2
]}

机构：

[1] Aarhus Univ, Dept Chem, DK-8000 Aarhus C, Denmark

[2] Aarhus Univ, iNANO, DK-8000 Aarhus C, Denmark

[3] Univ Sydney, Sch Chem, Sydney, NSW 2006, Australia

来源：

CHEMICAL COMMUNICATIONS | 2013年 / 49卷 / 08期

关键词：

METAL-ORGANIC FRAMEWORKS; PRUSSIAN BLUE ANALOGS; PORE-SIZE; BEHAVIOR; CYANIDE; DEPENDENCE; HYDROGEN; STORAGE; DESIGN; ZRW2O8;

D O I：

10.1039/c2cc37415c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Powder diffraction is used to study thermal expansion properties of MOF-5 at moderate helium gas pressures: 1.7 bar (100-500 K) and 5-150 bar (150-300 K). The framework shows negative thermal expansion (NTE) at all pressures, but vibrational motions causing NTE are damped with increasing pressures, leading to decreased NTE.

引用

页码：789 / 791

页数：3

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