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Title of article :
A highly efficient Co (0) catalyst derived from metal-organic framework for the hydrolysis of ammonia borane
Author/Authors :
Song، نويسنده , , Ping and Li، نويسنده , , Yaoqi and Li، نويسنده , , Wei and He، نويسنده , , Bei and Yang، نويسنده , , Junzhi and Li، نويسنده , , Xingguo، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2011
Pages :
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Abstract :
A Co (0) catalyst is synthesized by the reduction of a metal-organic framework (MOF) precursor Co2(bdc)2(dabco) (bdc = 1,4-benzenedicarboxylate; dabco = 1,4-diazabicyclo[2.2.2]octane). The amorphous catalyst exhibits highly efficient activity in the hydrolysis of ammonia borane (AB). The dehydrogenation of a 0.32 M aqueous AB solution completes in 1.4 min under room temperature. The porous structure in the MOF is proposed to play a key role. The catalytic effective Co (0) sites are stabilized by the organic molecules, which used to coordinate to Co (II) in the MOF precursor. This work implies that MOFs, with their large surface area and ample pore structures, may serve as ideal precursors for highly efficient heterogeneous catalysts.
Keywords :
Ammonia borane , Hydrolysis , Metal-organic frameworks , Heterogeneous catalyst
Journal title :
International Journal of Hydrogen Energy
Link To Document :