Nanostructure Synthesis at the Solid-Water Interface: Spontaneous Assembly and Chemical Transformations of Tellurium Nanorods

T. P. Vinod, Natalya Froumin, Dimitry Mogiliansky, Leila Zeiri, Vladimir Ezersky, Raz Jelinek

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Bottom-up synthesis offers novel routes to obtain nanostructures for nanotechnology applications. Most self-assembly processes are carried out in three dimensions (i.e. solutions); however, the large majority of nanostructure-based devices function in two dimensions (i.e. on surfaces). Accordingly, an essential and often cumbersome step in bottom-up applications involves harvesting and transferring the synthesized nanostructures from the solution onto target surfaces. We demonstrate a simple strategy for the synthesis and chemical transformation of tellurium nanorods, which is carried out directly at the solid-solution interface. The technique involves binding the nanorod precursors onto amine-functionalized surfaces, followed by in situ crystallization/oxidation. We show that the surface-anchored tellurium nanorods can be further transformed in situ into Ag2Te, Cu2Te, and SERS-active Au-Te nanorods. This new approach offers a way to construct functional nanostructures directly on surfaces.

Original languageEnglish
Pages (from-to)3026-3031
Number of pages6
JournalChemPhysChem
Volume15
Issue number14
DOIs
StatePublished - 1 Oct 2014

Keywords

  • bottom-up synthesis
  • hybrid nanorods
  • nanostructures
  • solid-water interface
  • tellurium

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

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