Hydrothermal Synthesis of Silicon Oxide Nanowires in Solid-liquid Phase System

Chem. J. Chinese Universities

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Hydrothermal Synthesis of Silicon Oxide Nanowires in Solid-liquid Phase System

MI Gang, CHEN Ping, REN Nan, ZHANG Ya-Hong, TANG Yi*

Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis Innovative Materials, and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, China

Received:2008-10-06 Revised:1900-01-01 Online:2008-12-10 Published:2008-12-10
Contact: TANG Yi

Abstract

Abstract: In this paper, silicon oxide nanowires with P21212 space group were synthesized by liquid-solid phase hydrothermal method, using silica sol, Fe(NO3)3·9H2O and ethylenediamine-water solution as raw materials. Their structures were characterized by SEM, TEM, XRD and EDS. It was found that the reaction activity could be improved due to the employment of suitable silica and iron resources. As a result, the reaction conditions became more moderate, and less Fe species was used. An optimum experimental condition could be obtained, that is, the Si/Fe molar ratio of 1∶0.4, the ethylenediamine/water volume ratio of 8∶5, the temperature of 180 ℃ and the reaction time of 4 d. This approach is expected to provide a huge possibility for the industrialized manufacture of silicon oxide nanowires.

Key words: Silicon oxide, Nanowire, Hydrothermal synthesis, Ethylenediamine

CLC Number:

O643.13

TrendMD:

MI Gang, CHEN Ping, REN Nan, ZHANG Ya-Hong, TANG Yi*. Hydrothermal Synthesis of Silicon Oxide Nanowires in Solid-liquid Phase System[J]. Chem. J. Chinese Universities, doi: .

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Hydrothermal Synthesis of Silicon Oxide Nanowires in Solid-liquid Phase System

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