Nanoalumina supported palladium(0) nanoparticle catalyst for releasing H2 from dimethylamine borane
Source abstract
Abstract
Abstract Palladium(II) 2,4-pentanedionate, impregnated on alumina nanopowder, was reduced by dimethylamine borane (DMAB) forming Pd(0) nanoparticles (NPs) at room temperature. Pd(0) NPs could be isolated from solution and characterized by ATR-IR, UV–vis, XRD, SEM, TEM, XPS and BET. The results obtained from TEM images reveal the formation of palladium(0) nanoparticles on gamma-alumina, having a mean particle size of 7.1 ± 2.6 nm. Alumina supported Pd(0) NPs with various metal loadings were employed as catalyst in dehydrogenation of DMAB at room temperature and the sample with 5.0% wt. Pd provides the highest turnover frequency (TOF = 73 h−1) at 25.0 ± 0.5 °C. Kinetics of the catalytic dehydrogenation was also investigated depending on Pd concentration and temperature to determine the kinetic parameters of the H2 release reaction.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Hydrogen Storage and Materials · Ammonia Synthesis and Nitrogen Reduction · Carbon dioxide utilization in catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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