Anion metathesis in ionic silica nanoparticle networks

被引：21

作者：

Litschauer, Marco ^{[1
]}

Puchberger, Michael ^{[1
]}

Peterlik, Herwig ^{[2
]}

Neouze, Marie-Alexandra ^{[1
]}

机构：

[1] Vienna Univ Technol, Inst Mat Chem 165, A-1060 Vienna, Austria

[2] Univ Vienna, Fac Phys, A-1090 Vienna, Austria

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2010年 / 20卷 / 07期

关键词：

SENSITIZED SOLAR-CELLS; SMALL-ANGLE SCATTERING; LIQUID PRECURSOR ILP; GEL; ELECTROLYTES; EXCHANGE; CRYSTAL; SPECTROSCOPY; EXTRACTION; CATALYST;

D O I：

10.1039/b915050a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Metathesis reactions in acetone were performed on ionic silica networks based on imidazolium chloride bridging units. The salts investigated were NaBF4, KPF6 and LiN(SO2CF3)(2). XRD experiments and NMR analysis were used to follow the anion metathesis. For all compounds the thermal stability of the hybrid material was maintained after metathesis. SAXS experiments confirmed that the anion metathesis only very slightly affected the short-range order of the network. However, the yield of the metathesis reaction, depending on the length of the imidazolium based ligand, was evaluated by EDX analyses. The anion metathesis reaction provides a tailoring tool for hybrid material hydrophobicity.

引用

页码：1269 / 1276

页数：8

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