期刊
JOURNAL OF CRYSTAL GROWTH
卷 268, 期 1-2, 页码 215-221出版社
ELSEVIER
DOI: 10.1016/j.jcrysgro.2004.05.016
关键词
crystal morphology; low dimensional structures; hydrothermal crystal growth; metals; nanomaterials
The large-scale synthesis of antimony nanobelt bundles has been facilely realized in existence of polyethylene glycol (PEG) by a hydrothermal reduction method using aluminum powder as reducing agent. These nanobelts have width in the range of 200-600 nm and length up to several micrometres, and the width-to-thickness ratio is ca. 10. FESEM images show individual nanobelts have multi-layered structures. The size of nanobelts can be varied by adjusting the molecular weights of PEG. Based on a series of comparative experiments under different reaction conditions, the probable formation mechanism of antimony nanobelt bundles is proposed to be a solid-liquid-solid transformation and surfactant-assisted directional growth process. (C) 2004 Elsevier B.V. All rights reserved.
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