Study on Surface Chemical Composition and Structure of PVP/Al Composite Powder Using XPS Analysis

Nan Hu; Li Jun He; Li Hui Wang

doi:10.4028/www.scientific.net/AMR.476-478.1101

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Study on Surface Chemical Composition and Structure of PVP/Al Composite Powder Using XPS Analysis
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Study on Surface Chemical Composition and...

Study on Surface Chemical Composition and Structure of PVP/Al Composite Powder Using XPS Analysis

Abstract:

XPS analysis is used in studying surface chemical composition and structure of ultrafine raw Al powder and PVP/Al composite powder, respectively. It shows that: in PVP/Al composite powder’s surface, comparing with raw Al powder, relative content of Al decrease and relative contents of C and N increase. New chemical bonds are formed in PVP/Al composite powder’s surface, and it is certain that, these new chemical bonds derive from N atom and O atom of PVP’s pyrrole with Al atom in Al powder surface.