废弃塑料制备碳化硅纳米颗粒

Preparation of SiC nanoparticles using plastic wastes

以废弃塑料为碳源,正硅酸乙酯为硅源,硝酸铁为催化剂,通过碳热还原的方法制备出碳化硅纳米颗粒。采用XRD、FTIR、TEM、DLS及PL对制备的样品进行表征。结果表明,所得碳化硅纳米颗粒尺度分布在8～40 nm之间,且具有特殊的光致发光性能。

SiC nanoparticles were prepared by the carbothermal reduction method, in which plastic wastes and tetraethoxysilane （TEOS） were respectively employed as carbon and silica precursors, iron nitrate as catalyst. XRD,FFIR,TEM,DLS and PL were used to characterize the SiC samples, The results showed that the SiC nanoparticles with dimensions in the range of 8 - 40 nm can be finally obtained, and the SiC exhibited different photoluminescence properties.