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Knut Deppert

Knut Deppert

Professor

Knut Deppert

Core-shell InP-CdS nanowires: fabrication and study

Author

  • Zeila Zanolli
  • Brent Wacaser
  • Mats-Erik Pistol
  • Knut Deppert
  • Lars Samuelson

Summary, in English

InP nanowires are fabricated by organo-metallic vapour phase epitaxy and studied via photoluminescence measurements performed on single nanowires, finding evidence of state filling with increasing excitation power density. To increase flexibility in fabrication technology we developed a wet chemical procedure to grow a CdS shell on these wires. In these InP-CdS wires the luminescence efficiency was decreased with respect to the bare wires. The CdS capping procedure needs further investigations to improve the emission properties of nanowires, in order to become technically useful. We suggest as possible improvements of this technique to increase the bath temperature and/or illuminate the sample with UV radiation during the capping procedure.

Department/s

  • Solid State Physics

Publishing year

2007

Language

English

Publication/Series

Journal of Physics: Condensed Matter

Volume

19

Issue

29

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Condensed Matter Physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1361-648X