Core-shell InP-CdS nanowires: Fabrication and study

Z. Zanolli; B. A. Wacaser; M. E. Pistol; K. Deppert; L. Samuelson

doi:10.1088/0953-8984/19/29/295218

Core-shell InP-CdS nanowires: Fabrication and study

Z. Zanolli^*, B. A. Wacaser, M. E. Pistol, K. Deppert, L. Samuelson

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

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.

Original language	English
Article number	295218
Journal	Journal of Physics Condensed Matter
Volume	19
Issue number	29
DOIs	https://doi.org/10.1088/0953-8984/19/29/295218
Publication status	Published - 25 Jul 2007
Externally published	Yes

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title = "Core-shell InP-CdS nanowires: Fabrication and study",

abstract = "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.",

author = "Z. Zanolli and Wacaser, {B. A.} and Pistol, {M. E.} and K. Deppert and L. Samuelson",

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T2 - Fabrication and study

AU - Zanolli, Z.

AU - Wacaser, B. A.

AU - Pistol, M. E.

AU - Deppert, K.

AU - Samuelson, L.

PY - 2007/7/25

Y1 - 2007/7/25

N2 - 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.

AB - 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.

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VL - 19

JO - Journal of Physics Condensed Matter

JF - Journal of Physics Condensed Matter

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Core-shell InP-CdS nanowires: Fabrication and study

Abstract

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