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A molecular cross-linking approach for hybrid metal oxides
Nature Materials ( IF 41.2 ) Pub Date : 2018-03-05 , DOI: 10.1038/s41563-018-0021-9
Dahee Jung , Liban M. A. Saleh , Zachariah J. Berkson , Maher F. El-Kady , Jee Youn Hwang , Nahla Mohamed , Alex I. Wixtrom , Ekaterina Titarenko , Yanwu Shao , Kassandra McCarthy , Jian Guo , Ignacio B. Martini , Stephan Kraemer , Evan C. Wegener , Philippe Saint-Cricq , Bastian Ruehle , Ryan R. Langeslay , Massimiliano Delferro , Jonathan L. Brosmer , Christopher H. Hendon , Marcus Gallagher-Jones , Jose Rodriguez , Karena W. Chapman , Jeffrey T. Miller , Xiangfeng Duan , Richard B. Kaner , Jeffrey I. Zink , Bradley F. Chmelka , Alexander M. Spokoyny

There is significant interest in the development of methods to create hybrid materials that transform capabilities, in particular for Earth-abundant metal oxides, such as TiO2, to give improved or new properties relevant to a broad spectrum of applications. Here we introduce an approach we refer to as ‘molecular cross-linking’, whereby a hybrid molecular boron oxide material is formed from polyhedral boron-cluster precursors of the type [B12(OH)12]2–. This new approach is enabled by the inherent robustness of the boron-cluster molecular building block, which is compatible with the harsh thermal and oxidizing conditions that are necessary for the synthesis of many metal oxides. In this work, using a battery of experimental techniques and materials simulation, we show how this material can be interfaced successfully with TiO2 and other metal oxides to give boron-rich hybrid materials with intriguing photophysical and electrochemical properties.



中文翻译:

杂化金属氧化物的分子交联方法

人们对开发能够改变能力的混合材料的方法产生了极大的兴趣,这些材料可以改变能力,特别是对于富含地球的金属氧化物(例如TiO 2)的能力,以提供与广泛应用相关的改进的或新的特性。在这里,我们介绍一种称为“分子交联”的方法,其中一种杂化的分子氧化硼材料是由[B 12(OH)12 ] 2型的多面体硼簇前体形成的。。硼簇分子构件的固有坚固性使这种新方法成为可能,该坚固性与许多金属氧化物合成所必需的苛刻的热和氧化条件兼容。在这项工作中,使用一系列实验技术和材料模拟,我们展示了该材料如何成功地与TiO 2和其他金属氧化物连接,从而获得具有引人入胜的光物理和电化学特性的富硼杂化材料。

更新日期:2018-03-06
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