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Cerca | Lliura | Ajuda | Servei de Biblioteques | Sobre el DDD | Català English Español |
Pàgina inicial > Articles > Articles publicats > Sequential deconstruction-reconstruction of metal organic frameworks : |
Data: | 2018 |
Resum: | Here, we report the synthesis of (multi)-layered zeolitic imidazolate framework (ZIF-8/-67) composite particles via a sequential deconstruction-reconstruction process. We show that this process can be applied to construct ZIF-8-on-ZIF-67 composite particles whose cores are the initially etched particles. In addition, we demonstrate that introduction of functional inorganic nanoparticles (INPs) onto the crystal surface of etched particles does not disrupt ZIF particle reconstruction, opening new avenues for designing (multi)-layered ZIF-on-INP-on-ZIF composite particles comprising more than one class of inorganic nanoparticles. In these latter composites, the location of the inorganic nanoparticles inside each single metal-organic framework particle as well as of their separation at the nanoscale (20 nm) is controlled. Preliminary results show that (multi)-layered ZIF-on-INP-on-ZIF composite particles comprising a good sequence of inorganic nanoparticles can potentially catalyze cascade reactions. |
Ajuts: | European Commission 615954 Ministerio de Economía y Competitividad CTQ2016-77989-P Ministerio de Economía y Competitividad MAT2015-70725-R Ministerio de Economía y Competitividad MAT2015-65354-C2-1-R Ministerio de Economía y Competitividad SEV-2013-0295 Ministerio de Economía y Competitividad RYC-2012-10991 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-862 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-612 Agència de Gestió d'Ajuts Universitaris i de Recerca 2014/SGR-80 |
Drets: | Tots els drets reservats. |
Llengua: | Anglès |
Document: | Article ; recerca ; Versió acceptada per publicar |
Matèria: | Metal−organic frameworks ; Inorganic nanoparticles ; ZIF composites ; Etching ; Crystal growth ; Cascade catalysis |
Publicat a: | ACS applied materials & interfaces, Vol. 10, issue 28 (Jul. 2018) , p. 23952-23960, ISSN 1944-8252 |
Postprint 12 p, 951.2 KB |