ArticleChemistry (Weinheim an der Bergstrasse, Germany)2019
3D Raman Spectroscopy of Large Zeolite ZSM-5 Crystals.
Article in Chemistry (Weinheim an der Bergstrasse, Germany), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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6 citing papers in PubMed.
- Impact of Tungsten Loading on the Activation of Zeolite-Based Catalysts for Methane Dehydroaromatization.ACS catalysis · 2025Article
- Coamplified Nanozyme Cocktails for Cascade Reaction-Driven Antioxidant Treatments.ACS applied materials & interfaces · 2024Article
- Tunable hybrid zeolites prepared by partial interconversion.Nature communications · 2023Article
- Probing coke formation during the methanol-to-hydrocarbon reaction on zeolite ZSM-5 catalyst at the nanoscale using tip-enhanced fluorescence microscopy.Catalysis science & technology · 2022Article
- An electrochemical membrane-based aptasensor for detection of severe acute respiratory syndrome coronavirus-2 receptor-binding domain.Applied surface science · 2022Article
- 3D Raman Spectroscopy of Large Zeolite ZSM-5 Crystals.Chemistry (Weinheim an der Bergstrasse, Germany) · 2019Article
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Abstract
Hydrothermal treatment is a common method used to modify the physicochemical properties of zeolite-based catalyst materials. It alters the number and type of acid sites through dealumination and increases molecular diffusion by mesopore formation. Steaming also reduces the structural integrity of zeolite frameworks. In this study, Raman microscopy has been used to map large zeolite ZSM-5 crystals before and after steaming. 3D elemental maps of T-O (T: Al or Si) sites of the zeolite were obtained. The Raman active vibrational bands were determined, which are indicative of (non-) framework Al, as well as of structural integrity. Zeolite steaming caused the introduction of additional heterogeneities within the zeolite framework. Al migration and the formation of extra-framework Al species were observed. The described experiments demonstrate the capability of 3D Raman spectroscopy as a valuable tool to obtain information on the spatial distributions of framework elements as well as defects within a zeolite-based material.
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