当前位置: X-MOL 学术Micropor. Mesopor. Mater. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Zeolite/dye hybrid composites: Organization of photoactive azobenzene molecules inside AlPO4-5
Microporous and Mesoporous Materials ( IF 4.8 ) Pub Date : 2018-04-03 , DOI: 10.1016/j.micromeso.2018.03.038
Michelangelo Polisi , Rossella Arletti , Sara Morandi , Marco Fabbiani , Gianmario Martra , Simona Quartieri , Linda Pastero , Giovanna Vezzalini

Organic/inorganic hybrid materials - like zeolites + dyes - are currently used in strategic areas, from sustainable energy technologies to biomedical sciences. In these systems, photoactive molecules are organized in one-dimensional nanostructures inside the zeolite channels. In this paper we present the results of a study aimed to the synthesis and the structural and spectroscopic characterization of azobenzene/AlPO4-5 hybrid composites, performed by a multi-technique approach based on material synthesis, thermal gravimetric analysis, synchrotron X-ray powder diffraction, UV-VIS and IR spectroscopies. The results indicate that azobenzene molecules are hosted in the 12-membered ring channel of AFI framework and the maximum loading is 0.9 molecules per unit cell. The combination of spectroscopic and diffractometric methods point out that, being AlPO4-5 starting material affected by Brönsted acidity, a consistent portion of the azobenzene molecules is protonated and interact with the framework oxygen atoms.



中文翻译:

沸石/染料杂化复合材料:AlPO 4 -5内部的光活性偶氮苯分子的组织

从可持续能源技术到生物医学,有机/无机杂化材料(如沸石+染料)目前用于战略领域。在这些系统中,光敏分子在沸石通道内以一维纳米结构组织。在本文中,我们介绍了针对偶氮苯/ AlPO 4的合成以及结构和光谱表征的研究结果。-5杂化复合材料,通过基于材料合成,热重分析,同步加速器X射线粉末衍射,UV-VIS和IR光谱的多种技术方法完成。结果表明,偶氮苯分子位于AFI框架的12元环通道中,每单位细胞的最大载量为0.9个分子。光谱和衍射法的结合指出,作为受布朗斯台德酸度影响的AlPO 4 -5起始材料,偶氮苯分子的恒定部分被质子化并与骨架氧原子相互作用。

更新日期:2018-04-03
down
wechat
bug