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Co2+ions as probes of Al distribution in the framework of zeolites. ZSM-5 study
Abstract
The occurrence of “Al pairs” in the framework of ZSM-5 and their spatial distribution in zeolites was estimated by using exchanged Co2+ ions as probes for “Al pairs”. The visible spectra of Co2+ ions were employed to monitor the distribution of Co2+ ions, and thus “Al pairs”, among the individual cationic sites, i.e. local framework arrangements at defined positions in the zeolite channels. The effects of concentration of aluminum in the framework and conditions of zeolite synthesis on the presence of “Al pairs” and their spatial distribution in the ZSM-5 framework were investigated. It has been shown that the distribution of Al atoms in the framework is not controlled by statistic rules, but depends on the conditions of zeolite synthesis and aluminum concentration in the framework.
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Cited by
Grundner, S., Markovits, M. A. C., Li, G., Tromp, M., Pidko, E. A., Hensen, E. J. M., Jentys, A., Sanchez-Sanchez, M., & Lercher, J. A. (2015) · Nature Communications · doi:10.1038/ncomms8546 · Cited by 773
Liang, T., Chen, J., Qin, Z., Li, J., Wang, P., Wang, S., Wang, G., Dong, M., Fan, W., & Wang, J. (2016) · ACS Catalysis · doi:10.1021/acscatal.6b01771 · Cited by 438
Regulation of the Si/Al ratios and Al distributions of zeolites and their impact on properties
Li, J., Gao, M., Yan, W., & Yu, J. (2023) · Chemical Science · doi:10.1039/d2sc06010h · Cited by 404
Engineering Zeolites for Catalytic Cracking to Light Olefins
Blay, V., Louis, B., Miravalles, R., Yokoi, T., Peccatiello, K. A., Clough, M., & Yilmaz, B. (2017) · ACS Catalysis · doi:10.1021/acscatal.7b02011 · Cited by 277
Metadata
- Authors
- Dědeček, J., Kaucký, D., Wichterlová, B., & Gonsiorová, O.
- Venue
- Phys. Chem. Chem. Phys.
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2002
- Volume
- 4
- Issue
- 21
- Pages
- 5406-5413
- ISSN
- 1463-9076 (ISSN-L)
- 1463-9084
- OpenAlex
- W1898245949
- Cited by
- 192
- References
- 0
- FWCI
- 2.61
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dědeček, J., Kaucký, D., Wichterlová, B., & Gonsiorová, O. (2002). Co2+ions as probes of Al distribution in the framework of zeolites. ZSM-5 study. Phys. Chem. Chem. Phys. https://doi.org/10.1039/b203966b
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