Interaction of Alkaline Metal Cations with Oxidic Surfaces: Effect on the Morphology of SnO2 Nanoparticles

被引：32

作者：

Birkel, Alexander ^{[1
]}

Loges, Niklas ^{[1
]}

Mugnaioli, Enrico ^{[2
]}

Branscheid, Robert ^{[3
]}

Koll, Dominik ^{[1
]}

Frank, Stefan ^{[1
]}

Panthoefer, Martin ^{[1
]}

Tremel, Wolfgang ^{[1
]}

机构：

[1] Johannes Gutenberg Univ Mainz, Inst Anorgan Chem & Analyt Chem, D-55099 Mainz, Germany

[2] Johannes Gutenberg Univ Mainz, Inst Phys Chem, Elektronenmikroskopie Zentrum Mainz, D-55099 Mainz, Germany

[3] Max Planck Inst Polymer Res, Elektronenmikroskopie Zentrum Mainz, D-55128 Mainz, Germany

来源：

LANGMUIR | 2010年 / 26卷 / 05期

关键词：

NANOCRYSTALLINE SNO2; FACILE SYNTHESIS; LITHIUM STORAGE; GROWTH; CALCITE; HSAB; FABRICATION; ADSORPTION; REACTIVITY; NANOWIRES;

D O I：

10.1021/la902994r

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Reaction pathways to SnO2 nanomaterials through the hydrolysis of hydrated tin tetrachloride precursors were investigated. The products were prepared solvothermally starting from hydrated tin tetrachloride and various (e.g., alkali) hydroxides. The influence of the precursor base on the final morphology of the nanomaterials was studied. X-ray powder diffraction (XRD) data indicated the formation of rutile-type SnO2. Transmission electron microscopy (TEM) studies revealed different morphologies that were formed with different precursor base cations. Data from molecular dynamics (MD) simulations provide theoretical evidence that the adsorption of the cations of the precursor base to the faces of the growing SnO2 nanocrystals is crucial for the morphology of the nanostructures.

引用

页码：3590 / 3595

页数：6

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