Colossal Pressure-Induced Lattice Expansion of Graphite Oxide in the Presence of Water

被引：104

作者：

Talyzin, Alexandr V. ^{[1
]}

Solozhenko, Vladimir L. ^{[2
]}

Kurakevych, Oleksandr O. ^{[2
]}

Szabo, Tamas ^{[3
]}

Dekany, Imre ^{[3
]}

Kurnosov, Alexandr ^{[4
]}

Dmitriev, Vladimir ^{[5
]}

机构：

[1] Umea Univ, Dept Phys, SE-90187 Umea, Sweden

[2] Univ Paris 13, LPMTM CNRS, F-93430 Villetaneuse, France

[3] Univ Szeged, Hungarian Acad Sci, Dept Colloid Chem, Supramol & Nanostruct Mat Res Grp, H-6720 Szeged, Hungary

[4] Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany

[5] European Synchrotron Radiat Facil, SNBL, F-38043 Grenoble, France

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2008年 / 47卷 / 43期

关键词：

auxetic materials; compressibility; graphite oxide; high-pressure; X-ray diffraction;

D O I：

10.1002/anie.200802860

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

(Graph Presented) Expansion under compression: The unit-cell volume of graphite oxide pressurized in water media, continuously increases reaching a sharp maximum at ca. 1.3-1.5 GPa (see picture, squares). Expansion of the lattice to a maximum of about 28-30% is because of gradual pressure-induced water insertion into the interlayer space of graphite oxide. The effect is reversible (triangles), resulting in a unique breathing" of the structure upon pressure variation. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA."

引用

收藏

页码：8268 / 8271

页数：4

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