SnO2-based CO gas sensor material in nanometer was prepared by sol-gel process and modified by doping with Sb2O3. The structure and average grain sizes were analyzed by XRD, and the stability by TGA/DSC.

• 以溶胶?凝胶法制备的SnO2纳米材料为基,采用Sb2O3掺杂改性,制备出CO气敏材料。 用XRD分析了材料的结构、物相和颗粒度。