dc.creator | Wang, Changlong | |
dc.creator | Tuninetti, Jimena Soledad | |
dc.creator | Wang, Zhao | |
dc.creator | Zhang, Chen | |
dc.creator | Ciganda, Roberto | |
dc.creator | Salmon, Lionel | |
dc.creator | Moya, Sergio | |
dc.creator | Ruiz, Jaime | |
dc.creator | Astruc, Didier | |
dc.date.accessioned | 2018-11-12T19:53:54Z | |
dc.date.accessioned | 2022-10-15T09:42:28Z | |
dc.date.available | 2018-11-12T19:53:54Z | |
dc.date.available | 2022-10-15T09:42:28Z | |
dc.date.created | 2018-11-12T19:53:54Z | |
dc.date.issued | 2017-08 | |
dc.identifier | Wang, Changlong; Tuninetti, Jimena Soledad; Wang, Zhao; Zhang, Chen; Ciganda, Roberto; et al.; Hydrolysis of Ammonia-Borane over Ni/ZIF-8 Nanocatalyst: High Efficiency, Mechanism, and Controlled Hydrogen Release; American Chemical Society; Journal of the American Chemical Society; 139; 33; 8-2017; 11610-11615 | |
dc.identifier | 0002-7863 | |
dc.identifier | http://hdl.handle.net/11336/64286 | |
dc.identifier | CONICET Digital | |
dc.identifier | CONICET | |
dc.identifier.uri | https://repositorioslatinoamericanos.uchile.cl/handle/2250/4371682 | |
dc.description.abstract | Non-noble metal nanoparticles are notoriously difficult to prepare and stabilize with appropriate dispersion, which in turn severely limits their catalytic functions. Here, using zeolitic imidazolate framework (ZIF-8) as MOF template, catalytically remarkably efficient ligand-free first-row late transition-metal nanoparticles are prepared and compared. Upon scrutiny of the catalytic principles in the hydrolysis of ammonia-borane, the highest total turnover frequency among these first-row late transition metals is achieved for the templated Ni nanoparticles with 85.7 molH2 molcat -1 min-1 at room temperature, which overtakes performances of previous non-noble metal nanoparticles systems, and is even better than some noble metal nanoparticles systems. Mechanistic studies especially using kinetic isotope effects show that cleavage by oxidative addition of an O-H bond in H2O is the rate-determining step in this reaction. Inspired by these mechanistic studies, an attractive and effective "on-off" control of hydrogen production is further proposed. | |
dc.language | eng | |
dc.publisher | American Chemical Society | |
dc.relation | info:eu-repo/semantics/altIdentifier/url/http://pubs.acs.org/doi/abs/10.1021/jacs.7b06859 | |
dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/jacs.7b06859 | |
dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | |
dc.rights | info:eu-repo/semantics/openAccess | |
dc.subject | CATALYSIS | |
dc.subject | ZIF-8 | |
dc.title | Hydrolysis of Ammonia-Borane over Ni/ZIF-8 Nanocatalyst: High Efficiency, Mechanism, and Controlled Hydrogen Release | |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:ar-repo/semantics/artículo | |
dc.type | info:eu-repo/semantics/publishedVersion | |