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Öğe Metal nanoparticles in liquid phase catalysis(Elsevier, 2018) Akbayrak, S.; Özkar, S.Tremendous efforts have been devoted on the development of efficient and safe hydrogen storage materials. Among them amine boranes, such as ammonia borane, dimethylamine borane, and hydrazine borane, have attracted much attention as promising chemical hydrogen storage materials. Recently, we have published many reports on the development of transition metal(0) nanoparticles dispersed in solution as highly active catalyst in hydrogen generation from amine boranes at room temperature. In this chapter, we put all the results given in those reports together to show (i) that transition metal(0) NPs dispersed in solution can catalyze the hydrogen generation from amine boranes at room temperature, (ii) how to improve the catalytic activity and durability of transition metal(0) NPs in solution by selecting a suitable stabilizer for a certain metal and varying the relative concentration of stabilizer in reaction solution. © 2018 Elsevier Inc.Öğe Supported nanoparticles for liquid-phase catalysis(Elsevier, 2018) Akbayrak, S.; Özkar, S.Supported metal nanoparticles have been extensively studied in catalysis field due to their easy separation and recovery after the catalytic reaction. In this chapter, recent developments in the catalytic activity and lifetime of supported transition metal(0) nanoparticles in hydrogen generation from the hydrolysis of ammonia borane will be discussed. The parameters affecting catalytic activity and stability of the supported transition metal(0) nanoparticles in hydrogen generation from the hydrolysis of ammonia borane will also be briefly discussed. © 2018 Elsevier Inc.
