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用固相烧结法制备了Fe2O3-MnO2-Co2O3-CuO系列材料,改变其中Fe2O3和MnO2的含量,通过结构表征和红外辐射率的测定,分析了影响各波段红外辐射率的主要因素。发现随样品中Fe含量的增加和Mn含量的减少,样品在长波段的辐射率有所增加,而短波段辐射率有所下降。选择八面体占位能相差较大的多种离子混合掺杂将有利于红外发射率的提高。
The Fe2O3-MnO2-Co2O3-CuO series materials were prepared by solid-state sintering, and the contents of Fe2O3 and MnO2 were changed. The main factors affecting the infrared emissivity of each band were analyzed by the characterization of structure and the determination of infrared emissivity. It is found that with the increase of Fe content and the decrease of Mn content in the sample, the emissivity of the sample increases in the long wave band while the emissivity decreases in the short wave band. Choosing octahedron occupying energy with a large difference between a variety of ion mixed doping will help improve the infrared emissivity.