Synthesis of Pt4(OCOCH3)4(OCOCH=CH2)4 and Its Assembly and Grafting on n-Si(111) Crystalline Surface

Chem. J. Chinese Universities

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Synthesis of Pt₄(OCOCH₃)₄(OCOCH=CH₂)₄ and Its Assembly and Grafting on n-Si(111) Crystalline Surface

XU Qing-Hong*, WEI Ya-Bo, ZHAO Yu-Xue

State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China

Received:2007-01-11 Revised:1900-01-01 Online:2007-10-10 Published:2007-10-10
Contact: XU Qing-Hong

Abstract

Abstract: A platinum complex, Pt₄(OCOCH₃)₄(OCOCH=CH₂)₄, was synthesized by the reaction of Pt₄(OCOCH₃)₈ with acrylic acid in dichloromethane as solvent, four equatorial acetate ligands in Pt₄(OCOCH₃)₈ were selectively replaced by acrylates. At the same time, n-Si(111) crystalline was modified by this complex and many island-like particles were formed on the silicon wafer. Characterizations of XPS as well as SEM and FTIR spectrum reveal that the platinum clusters close to the wafer covalently connected to silicon in Si—C bonds and the assembly is stable at a high temperture and in some acidic solutions.

Key words: Platinum complex, Single crystal, n-Si(111) crystalline, Grafting, Island-like particle

CLC Number:

O614

TrendMD:

XU Qing-Hong*, WEI Ya-Bo, ZHAO Yu-Xue. Synthesis of Pt₄(OCOCH₃)₄(OCOCH=CH₂)₄ and Its Assembly and Grafting on n-Si(111) Crystalline Surface[J]. Chem. J. Chinese Universities, doi: .

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Synthesis of Pt₄(OCOCH₃)₄(OCOCH=CH₂)₄ and Its Assembly and Grafting on n-Si(111) Crystalline Surface

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