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Synthesis of InP and InAs quantum rods using Indium Acetate and Myristic acid

Published online by Cambridge University Press:  01 February 2011

Itzhak Shweky ,
Assaf Aharoni ,
Taleb Mokari ,
Moshe Nadler ,
Eli Rothenberg ,
Inna Popov  and
Uri Banin
Itzhak Shweky
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
Assaf Aharoni
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
Taleb Mokari
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
Moshe Nadler
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
Eli Rothenberg
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
Inna Popov
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
Uri Banin
Affiliation:
Institute of Chemistry, Farkas Center for Light Induced Processes and the Center for Nanoscience and Nanotechnology, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. E-mail: Itzik@chem.ch.huji.ac.il
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Abstract

The development of solution based synthesis approaches for preparing nanocrystals of III-V semiconductor presents a significant & important challenge especially with relation to shape control to achieve rod growth. To this end, a novel approach for synthesis of soluble semiconductor quantum rods using metal nanoparticles to direct and catalyze one-dimensional growth is developed. The synthesis method is useful in particular for III-V semiconductor with cubic lattice, where the utilization of surfactant-controlled rod-growth is not easily realized. The growth takes place via the solution–liquid–solid (SLS) mechanism where proper precursors are injected into a coordinating solvent as we reported in earlier work for InAs nanorods. Herein, we report the synthesis of high quality InP nanorods using Indium Acetate and myristic acid with gold nanoparticles as the catalysts in the SLS growth mode. A similar route was successfully developed for the growth of InAs nanorods. We find that the amount of Au catalyst in the reaction is an important parameter to achieving shape control. Transmission electron microscope (TEM) images of InP and InAs nanocrystals revealed that the crystals are mostly rod-shaped. XRD measurements, absorption spectra were preformed for the nanorods characterization.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 848: Symposium FF – Solid-State Chemistry of Inorganic Materials V , 2004 , FF8.3
Copyright
Copyright © Materials Research Society 2005

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References

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