Artículo
Phosphane-decorated Platinum Nanoparticles as Efficient Catalysts for H2 Generation from Ammonia Borane and Methanol
Autor/es | Lara Muñoz, Patricia
Philippot, Karine Suárez Escobar, Andrés Luis |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2019 |
Fecha de depósito | 2022-10-05 |
Publicado en |
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Resumen | A series of narrowly dispersed Pt nanoparticles of 1.5-2.2
nm in size stabilized by bulky terphenylphosphane ligands has been
synthesized by the organometallic method using [Pt(dba)2] as
platinum source. These nanoparticles ... A series of narrowly dispersed Pt nanoparticles of 1.5-2.2 nm in size stabilized by bulky terphenylphosphane ligands has been synthesized by the organometallic method using [Pt(dba)2] as platinum source. These nanoparticles are highly efficient catalysts for hydrogen generation by methanolysis of ammonia borane (H3N∙BH3), providing notable TOF values of up to 284 min-1 at 30 oC and low catalyst loadings (0.14-0.19 mol%). Furthermore, catalysts separation (after distillation of the H2-depleted ammonium tetramethoxyborate (NH4B(OMe)4) and methanol) and recycling were proven to be feasible, although an erosion of the catalytic activity was observed after three catalytic runs. These Pt nanoparticles have also been used as catalysts for tandem dehydrogenation of ammonia borane and hydrogenation of N-heterocycles, providing the reduction products of quinoline, phenanthridine, 2-methylquinoxaline and acridine in >90% yields under mild reaction conditions. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España European Commission (EC). Fondo Europeo de Desarrollo Regional (FEDER) |
Identificador del proyecto | CTQ2016-80814-R
CTQ2016-81797-REDC |
Cita | Lara Muñoz, P., Philippot, K. y Suárez Escobar, A.L. (2019). Phosphane-decorated Platinum Nanoparticles as Efficient Catalysts for H2 Generation from Ammonia Borane and Methanol. ChemCatChem, 11 (2), 766-771. https://doi.org/10.1002/cctc.201801702. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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P.Lara etal Manuscript_Revised.pdf | 819.0Kb | [PDF] | Ver/ | |