| abstract |
This specification is related to a kind of method preparing hollow metal nanometer particle and the hollow metal nanometer particle prepared by the method, and methods described comprises the steps：1) slaine comprising two or more types, the compositionss of the ionic surface active agent of one or more type, surface stabilizer and solvent are prepared in air atmosphere；And 2) add reducing agent in air atmosphere in described compositionss.Additionally, the present invention relates to a kind of hollow metal nanometer particle and comprise the catalyst of this hollow metal nanometer particle, described hollow metal nanometer particle includes：Hollow core part；Comprise the first metal and bimetallic shell parts；And the hollow space being formed to described hollow core from the outer surface of described shell parts, wherein, in described shell parts, the ratio between the content of described first metal and described bimetallic content is 1:(3‑20). |