Journal
MATERIALS LETTERS
Volume 63, Issue 17, Pages 1538-1541Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2009.04.005
Keywords
Cadmium sulfide; Ethylenediamine; Water; Solvothermal method
Funding
- Thailand Research Fund (TRF)
- NANOTEC
- Ministry of Science and Technology, Thailand
- Graduate School of Chiang Mai University
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Cadmium sulfide nanorods and nanoparticles were successfully produced by a solvothermal reaction at 200 degrees C for 24 h using ethylenediamine and water as pure and mixed solvents. The products were analyzed by X-ray diffraction, Raman spectroscopy and transmission electron microscopy. In pure ethylenediamine, they show the hexagonal structure CdS nanorods with 0.2-2 mu m long and 30 nm diameter, and the 1 LO and 2 LO modes at 299.36 and 600.72 cm(-1), respectively. Growth of CdS nanorods is along the [001] direction, interpreted by HRTEM images and SAED patterns. In the 50:50 vol.% of ethylenediamine:water mixed solvents, the length of CdS nanorods decreased to 100-200 nm. The CdS nanoparticles were produced when pure water was used. (C) 2009 Elsevier B.V. All rights reserved.
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