ABSTRACT
The characterization of microporous materials, more popularly called zeolitic materials, began with the discovery and synthesis of zeolites in the 1960s. Various spectroscopic techniques, i.e., X-ray diffraction (XRD), IR, Raman, nuclear magnetic resonance (NMR), electron spin resonance (ESR), and so forth have been used to characterize zeolites and/or zeolite-adsorbate systems. Among these techniques, vibrational Spectroscopies, mainly IR spectroscopy and Raman spectroscopy, are most extensively employed for the investigation of zeolites and the interaction between zeolites and adsorbates.
