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Título: | Role of crystal size on swing-effect and adsorption induced structure transition of ZIF-8 |
Autor: | Tian, Tian; Wharmby, Michael T.; Parra Soto, José Bernardo CSIC ORCID ; Ovín Ania, María Concepción CSIC ORCID ; Fairen-Jiménez, David | Fecha de publicación: | 26-feb-2016 | Editor: | Royal Society of Chemistry (UK) | Citación: | Dalton Transactions 45(16): 6893-6900 (2016) | Resumen: | The flexibility and structure transition behaviour of ZIF-8 in a series of samples with different particle size has been studied using a combination of high-resolution N2 gas adsorption isotherms and, for the first time, a broad in situ PXRD and Rietveld analysis. During the stepped adsorption process, large particles showed a narrow adsorption/desorption pressure range with a shorter equilibrium time due to lower kinetic hindrance, deriving from higher amount of active sites. In situ PXRD showed that both the rotation of imidazole ring and a bend in the methyl group led to the gate opening of ZIF-8. | Versión del editor: | http://dx.doi.org/10.1039/C6DT00565A | URI: | http://hdl.handle.net/10261/131455 | DOI: | 10.1039/C6DT00565A | ISSN: | 1477-9226 |
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