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引用次数: 0
摘要
我们开发了一种简单的两步合成法，可在常压常温下合成含有锑和氟化物的二掺杂结晶介孔二氧化锡粉末。这种方法制备出的材料具有高表面积和更好的导电性和光导性。锑和氟这两种掺杂元素是通过两种方法引入二氧化锡的。这两种方法都产生了与锑和氟化物结合在框架中的介孔二氧化锡。粉末 X 射线衍射、N2 吸附分析、透射电子显微镜、能量色散 X 射线光谱和 X 射线光电子能谱分析了这些材料的结构。与未掺杂的介孔二氧化锡相比，这些材料的电导率提高了 13-34 倍。本文讨论了二掺杂元素对这些材料的结构、电导率和光电特性的影响。
A Facile Method to Incorporate Di-Dopant Elements (F and Sb) into Crystalline Mesoporous Tin Dioxide Nano Powder at Ambient Temperature and Pressure.
A simple two step synthetic method for di-doped crystalline mesoporous tin dioxide powder containing antimony and fluoride at ambient pressure and temperature has been developed. This approach produced materials with high surface areas and improved electrical and optoelectrical conductance. The two dopant elements; antimony and fluoride were introduced to tin dioxide by two approaches. Both approaches produced mesoporous tin dioxide with antimony and fluoride that are integrated in the framework. The structures of these materials are analyzed by powder X-ray diffraction, N2 sorption analysis, transmission electron microscopy, energy dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy. The conductance of the materials improved by factor of 13-34 compared to undoped mesoporous tin dioxide. The effect of the di-doped elements on structure, conductance and optoelectronic properties of these materials are discussed in this paper.
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