Abstract
Highly dispersed crystalline Ru nanoparticles (NPs) were successfully immobilized inside the pores of MIL‐101 by a double solvents method (DSM). HRTEM clearly demonstrated the uniform distribution of the ultrafine Ru NPs throughout the interior cavities of MIL‐101. The synthesized Ru@MIL‐101 catalyst was also characterized by X‐ray diffraction (XRD), N2 adsorption desorption, and ICP‐AES. The catalytic test indicated that the Ru NPs supported MIL‐101 material exhibited exceedingly high activity and excellent durability for hydrogen generation from the catalytic hydrolysis of amine boranes.
Highlights
Renewable and clean energy is believed as a long-term solution to replace the current prevalent petroleum energy
The hydrogen stored in AB can be released through the hydrolysis of AB in the presence of a suitable catalyst according to the reaction (1)
Various catalysts have been developed for the catalytic hydrolysis of AB to generate hydrogen, such as Pt-based catalyst [8] and Ru-based catalyst [9]
Summary
Renewable and clean energy is believed as a long-term solution to replace the current prevalent petroleum energy. Porous metal-organic frameworks (MOFs) have emerged as a class of promising functional porous materials, especially in the applications of gas storage catalysis, separation, sensing, and drug delivery [10,11,12,13] Taking advantages of their high specific surface area and tunable pore size, efficient solid catalysts can be achieved by loading MNPs inside the porous MOFs. It is reported that two approaches are used for the synthesis of MNPs inside MOFs. The first and most widely used approach is to use MOFs as stabilizing host material, which provides a confined space for nucleation, such as chemical vapor deposition [14], solution infiltration [15,16,17], and solid grinding [18]. Compared with other reported Ru-based catalysts by liquid impregnation method [21] and heterogeneous Ru(III) catalysts [22], the Ru@MIL101 exhibits remarkably enhanced catalytic activity
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