Issue 3, 2001

Abstract

The microwave-assisted polyol reduction method was applied to the preparation of CdSe “nanoballs”. The cubic and hexagonal forms of the CdSe nanoparticles obtained were analyzed by XRD, TEM, HRTEM, UV-VIS, photoluminescence (PL) and photoacoustic spectroscopy. Formation of the hexagonal or cubic form of CdSe depends on the glycol used for reaction. It was found that “nanoballs” are built-up of clusters of CdSe with sizes of a few nanometers. A strong blue shift is observed in the absorption spectrum, as expected for size quantization. A possible reaction mechanism is provided.

Article information

Article type
Paper
Submitted
06 Oct 2000
Accepted
20 Dec 2000
First published
06 Feb 2001

J. Mater. Chem., 2001,11, 874-878

Microwave-assisted polyol method for the preparation of CdSe “nanoballs”

O. Palchik, R. Kerner, A. Gedanken, A. M. Weiss, M. A. Slifkin and V. Palchik, J. Mater. Chem., 2001, 11, 874 DOI: 10.1039/B008088H

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