Peering into the Mechanism of Low-Temperature Synthesis of Bronze-type TiO2 in Ionic Liquids,Crystal Growth & Design

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Peering into the Mechanism of Low-Temperature Synthesis of Bronze-type TiO2 in Ionic Liquids
Crystal Growth & Design ( IF 3.2 ) Pub Date : 2017-09-20 00:00:00 , DOI: 10.1021/acs.cgd.7b01231
Pascal Voepel , Christoph Seitz , Jan M. Waack , Stefan Zahn ₁ , Thomas Leichtweiß , Aleksandr Zaichenko , Doreen Mollenhauer , Heinz Amenitsch ₂ , Markus Voggenreiter ₃ , Sebastian Polarz ₃ , Bernd M. Smarsly

Affiliation

In this work, we present detailed investigations on the influence of binary ionic liquid (IL) mixtures on sol–gel syntheses of metastable metal oxide phases. The synthesis of the metastable TiO₂ bronze phase and anatase as well as the rutile modification is followed via in situ diffraction methods coupled with thermal gravimetric analysis. The variation of the composition of mixtures of ILs allows for the adjustment of TiO₂ phase composition at low temperatures. On the basis of these results, the synthesis of the hexagonal tungsten bronze-like titanium hydroxyl oxy fluoride was achieved. Our results pave the way for a deeper understanding of IL participation in the syntheses of inorganic nanomaterials, going further than treating them as solvents.

中文翻译：

离子液体中低温合成青铜型TiO ₂的机理研究

在这项工作中，我们对二元离子液体（IL）混合物对亚稳金属氧化物相的溶胶-凝胶合成的影响进行了详细的研究。通过原位衍射法和热重分析法，合成了亚稳的TiO ₂青铜相和锐钛矿型以及金红石型。IL混合物的组成的变化允许在低温下调节TiO ₂相组成。基于这些结果，实现了六方钨青铜状钛羟基氧氟酸的合成。我们的结果为更深入地了解IL参与无机纳米材料的合成铺平了道路，而进一步将其视为溶剂。

更新日期：2017-09-20

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