Directed coassembly of oriented PbS nanoparticles and monocrystalline sheets of alkylamine surfactant

Alexander Rabkin, Nataly Belman, Jacob Israelachvili, Yuval Golan

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

We demonstrate control over the orientation of PbS nanoparticles by way of directed assembly, which in turn affects the crystal structure of alkylamine surfactants such as octadecylamine (ODA, C 18H 37NH 2) and hexadecylamine (HDA, C 16H 33NH 2). This directed assembly method results in the arrangement of PbS nanoparticles with a well-defined epitaxial orientation on lamellar alkylamine sheets, which undertake a new crystal structure to accommodate these relations. Understanding these surfactant-nanoparticle inter-relations is very instrumental in understanding surfactant-assisted nanoparticle synthesis and assembly.

Original languageEnglish
Pages (from-to)15119-15123
Number of pages5
JournalLangmuir
Volume28
Issue number43
DOIs
StatePublished - 30 Oct 2012

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