Preparation method of carbon-ferric oxide nanocomposite material

A nanocomposite material, iron oxide nanotechnology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, chemical/physical processes, etc., can solve the problems of high cost, complex process, and many parameters. , to achieve the effect of tight interface, simple process and simple process
CN104492437AActive Publication Date: 2015-04-08UNIV OF SCI & TECH BEIJING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
UNIV OF SCI & TECH BEIJING
Publication Date
2015-04-08

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Abstract

The invention discloses a preparation method of a carbon-ferric oxide (alpha-Fe2O3) nanocomposite material, belonging to the field of synthesizing an inorganic material. The carbon-ferric oxide nanocomposite material is obtained through one-step reaction by adopting an ferrous source, a carbon source and an auxiliary as raw materials, without the need of subsequent treatment, and the prepared carbon-ferric oxide nanocatalyst and ferric oxide realize nanoscale composition, the specific surface area is large, the carbon-ferric oxide nanocomposite material has a mesoporous structure, the solar utilization rate is high, the catalysis performance is good, and the carbon-ferric oxide nanocomposite material can be used in the field of a functional material, especially the field of photocatalytic degradation of organic pollutants. According to the preparation method, the raw materials are easily available, a template, a surfactant, a precipitator and the like are not needed during the preparation process, the technology is simple, the production cost is low, and large-scale production is easy to realize.
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Description

Technical field:

[0001] The invention belongs to the field of inorganic material synthesis, and relates to a preparation method of a composite material, in particular to a preparation method of a carbon-and iron oxide nanometer composite material. The prepared carbon-iron oxide nanocomposite can be used as a photocatalytic material to degrade organic pollutants. Background technique:

[0002] In recent years, environmental pollution has seriously threatened the health and safety of the public, and has attracted extensive attention from domestic and foreign research groups. Studies have shown that using semiconductor materials as photocatalysts is an economical and efficient way to deal with water pollution. α-Fe 2 o 3 It is a typical n-type semiconductor material with a medium bandgap width. Its forbidden bandwidth is 1.9-2.2eV. It has a strong light absorption ability in the visible light region and can absorb and utilize about 30% of solar energy. α-Fe 2 o 3 The appl...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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