State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.
Chem Soc Rev. 2010 Dec;39(12):4794-801. doi: 10.1039/c0cs00012d. Epub 2010 Nov 1.
In the past decade, UV Raman spectroscopy has become a powerful technique for the characterization of the synthesis mechanism and assembly of molecular sieves. Ultraviolet excitation avoids fluorescence that plagues visible Raman spectroscopy and concurrently enhances the Raman signal because of the short wavelength of excitation and the resonance Raman effect. The advances of UV Raman spectroscopy, UV resonance Raman spectroscopy and in situ UV Raman spectroscopy and their applications to the characterization of zeolite assembly mechanisms are provided in this tutorial review. Using UV Raman spectroscopy, the synthesis mechanism of zeolites, including the identification of primary units, assembly through key intermediates, transition metal species, and the roles of the organic templates in framework formation have been elucidated, and are discussed herein.
在过去的十年中，紫外拉曼光谱已成为一种强大的技术，用于表征分子筛的合成机制和组装。紫外激发避免了可见光拉曼光谱中的荧光干扰，同时由于激发的短波长和共振拉曼效应增强了拉曼信号。本综述介绍了紫外拉曼光谱、紫外共振拉曼光谱和原位紫外拉曼光谱的进展及其在沸石组装机制表征中的应用。利用紫外拉曼光谱，阐明了沸石的合成机制，包括识别初级单元、通过关键中间体、过渡金属物种以及有机模板在骨架形成中的作用进行组装，并对此进行了讨论。
