Preparation method of T4 bacteriophage supported precious metal nano-particle catalyst

A nanoparticle and bacteriophage technology, applied in the field of catalysis, can solve the problems of reducing catalytic activity and increasing production cost, and achieve the effects of high electrocatalytic activity, reduced economic cost and small size
CN101733092BInactive Publication Date: 2011-11-16YANSHAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YANSHAN UNIV
Publication Date
2011-11-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a preparation method of a T4 bacteriophage supported precious metal nano-particle catalyst. In the method, by utilizing inherent structural characteristics and molecular recognition function of living organisms, the precious metal nano-particle catalyst which is configured regularly on the capsid surface of a T4 bacteriophage and has uniform particles and high dispersion can be obtained through the steps of adding the T4 bacteriophage obtained by enrichment into a precious metal salt solution, hatching, centrifuging, and reducing. The method can control the size and the distribution of the precious metal nano-particles in a highly efficient mode, and greatly improves the electro-catalysis activity of the precious metal nano-particles. Meanwhile, by directly taking a biological nano-structure existing in the nature as a carrier, the method avoids complex preparation process of conventional carriers, thereby reducing production cost. Because the biological carriers have the characteristics of self-production, high feature repeatability and the like, the method is easy to realize large-scale production.
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Description

technical field

[0001] The invention belongs to the technical field of catalysis, and in particular relates to a preparation method of a T4 bacteriophage-loaded monodisperse noble metal nanoparticle catalyst. Background technique

[0002] Noble metal platinum (Pt), rhodium (Rh), palladium (Pd) nanoparticles have high catalytic selectivity and high catalytic activity due to their small particle size, high surface activity and large specific surface area. More and more people pay attention to it, and it is gradually being used to replace nickel, copper, iron, etc., which are catalytic hydrogenation catalysts in traditional industries. Precious metal catalysts can also be used to eliminate carbon monoxide, hydrocarbons, and nitrogen oxides in automobile exhaust, and are currently popularly researched "three-way catalysts." Accompanied by the rapid growth of precious metal catalysts in industrial usage, the shortage of precious metal resources and the sharp fluctuations and con...

Claims

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