PbS/PbSe structures with core-shell type morphology synthesized from PbS nanocrystals

Dmitry S. Koktysh; James R. McBride; Sriram K. Dixit; L. C. Feldman; Sandra J. Rosenthal

doi:10.1088/0957-4484/18/49/495607

PbS/PbSe structures with core-shell type morphology synthesized from PbS nanocrystals

Dmitry S. Koktysh, James R. McBride, Sriram K. Dixit, L. C. Feldman, Sandra J. Rosenthal

Rutgers University

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Colloidal PbS/PbSe nanostructures with core-shell type morphology have been synthesized for the first time using a simple chemical procedure where template PbS nanocrystals (NCs) were treated with Se solution in tributylphosphine at elevated temperature. The Se-coated PbS NCs were structurally and optically characterized by high resolution transmission electron microscopy (HRTEM), x-ray diffraction (XRD), Rutherford backscattering spectrometry (RBS) analysis, absorption and photoluminescence (PL) spectroscopy. Synthesized PbS/PbSe structures can be of particular importance in photovoltaic applications where fabrication of heterostructures with compositional modulation on the nanometer scale is essential.

Original language	English
Article number	495607
Journal	Nanotechnology
Volume	18
Issue number	49
DOIs	https://doi.org/10.1088/0957-4484/18/49/495607
Publication status	Published - Dec 12 2007

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Mechanics of Materials
Mechanical Engineering
Electrical and Electronic Engineering

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Koktysh, D. S., McBride, J. R., Dixit, S. K., Feldman, L. C., & Rosenthal, S. J. (2007). PbS/PbSe structures with core-shell type morphology synthesized from PbS nanocrystals. Nanotechnology, 18(49), [495607]. https://doi.org/10.1088/0957-4484/18/49/495607

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abstract = "Colloidal PbS/PbSe nanostructures with core-shell type morphology have been synthesized for the first time using a simple chemical procedure where template PbS nanocrystals (NCs) were treated with Se solution in tributylphosphine at elevated temperature. The Se-coated PbS NCs were structurally and optically characterized by high resolution transmission electron microscopy (HRTEM), x-ray diffraction (XRD), Rutherford backscattering spectrometry (RBS) analysis, absorption and photoluminescence (PL) spectroscopy. Synthesized PbS/PbSe structures can be of particular importance in photovoltaic applications where fabrication of heterostructures with compositional modulation on the nanometer scale is essential.",

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