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8. Directed Coassembly ofOriented PbS Nanoparticlesand Monocrystalline Sheets of Alkylamine Surfactant.

Author

Rabkin, Alexander, Belman, Nataly, Israelachvili, Jacob, and Golan, Yuval

Subjects
*NANOPARTICLES, *LEAD sulfide, *SINGLE crystals, *ALKYLAMINES, *SURFACE active agents, *CRYSTAL structure
Abstract

We demonstrate control over the orientation of PbS nanoparticlesby way of directed assembly, which in turn affects the crystal structureof alkylamine surfactants such as octadecylamine (ODA, C18H37NH2) and hexadecylamine (HDA, C16H33NH2). This directed assembly method resultsin the arrangement of PbS nanoparticles with a well-defined epitaxialorientation on lamellar alkylamine sheets, which undertake a new crystalstructure to accommodate these relations. Understanding these surfactant–nanoparticleinter-relations is very instrumental in understanding surfactant-assistednanoparticle synthesis and assembly. [ABSTRACT FROM AUTHOR]

Published
2012
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