Preparation, characterization, and application of Au-shell/polystyrene beads and Au-shell/magnetic beads

T. Ji; V. G. Lirtsman; Y. Avny; D. Davidov

doi:10.1002/1521-4095(200108)13:16<1253::AID-ADMA1253>3.0.CO;2-T

Preparation, characterization, and application of Au-shell/polystyrene beads and Au-shell/magnetic beads

T. Ji^*, V. G. Lirtsman, Y. Avny, D. Davidov

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

177 Scopus citations

Abstract

The self-assembly and the surface seeding methods were combined to prepare a Au shell on polystyrene (PS) and hollow shells. The Au shell formation method was based on the enlargement of the gold coverage by the reaction with NH₂OH and HAuCl₄. The transmission electron microscopy (TEM) images were used to demonstrate the formation of Au clusters on the surface of the PS beads. The positively charged polyethyleneimine (PEI) polymer chains was shown to be streched out on the surface of the PS beads. The self-assembled structures induced by external magnetic field was also demonstrated.

Original language	English
Pages (from-to)	1253-1256
Number of pages	4
Journal	Advanced Materials
Volume	13
Issue number	16
DOIs	https://doi.org/10.1002/1521-4095(200108)13:16<1253::AID-ADMA1253>3.0.CO;2-T
State	Published - 16 Aug 2001

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10.1002/1521-4095(200108)13:16<1253::AID-ADMA1253>3.0.CO;2-T

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abstract = "The self-assembly and the surface seeding methods were combined to prepare a Au shell on polystyrene (PS) and hollow shells. The Au shell formation method was based on the enlargement of the gold coverage by the reaction with NH2OH and HAuCl4. The transmission electron microscopy (TEM) images were used to demonstrate the formation of Au clusters on the surface of the PS beads. The positively charged polyethyleneimine (PEI) polymer chains was shown to be streched out on the surface of the PS beads. The self-assembled structures induced by external magnetic field was also demonstrated.",

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AU - Davidov, D.

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N2 - The self-assembly and the surface seeding methods were combined to prepare a Au shell on polystyrene (PS) and hollow shells. The Au shell formation method was based on the enlargement of the gold coverage by the reaction with NH2OH and HAuCl4. The transmission electron microscopy (TEM) images were used to demonstrate the formation of Au clusters on the surface of the PS beads. The positively charged polyethyleneimine (PEI) polymer chains was shown to be streched out on the surface of the PS beads. The self-assembled structures induced by external magnetic field was also demonstrated.

AB - The self-assembly and the surface seeding methods were combined to prepare a Au shell on polystyrene (PS) and hollow shells. The Au shell formation method was based on the enlargement of the gold coverage by the reaction with NH2OH and HAuCl4. The transmission electron microscopy (TEM) images were used to demonstrate the formation of Au clusters on the surface of the PS beads. The positively charged polyethyleneimine (PEI) polymer chains was shown to be streched out on the surface of the PS beads. The self-assembled structures induced by external magnetic field was also demonstrated.

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Preparation, characterization, and application of Au-shell/polystyrene beads and Au-shell/magnetic beads

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