Effect of Nanoparticle Size on Gas-sensing Properties of Tin Dioxide Sensors

• 作 者: XU Hong-yan CUI De-liang CAO B
• 机 构: SchoolofMaterialsScienceandEngineering,KeyLaboratoryofPreparationandMeasurementofBuildingMaterialsof
• 出 处: 高等学校化学研究：英文版
• 发表日期: 2012年6期
• 关键词: 气体传感器 纳米颗粒 二氧化锡 传感特性 粒子大小 S-400 透射电子显微镜 扫描电子显微镜 SnO 2 nanoparticle Gas sensor
• 基金项目: Supported by the National Natural Science Foundation of China（No.60906008）, the Foundation for Excellent Middle-aged or Young Scientists from Shandong Province of China（No.BS2010CL007）

Sn(OH)4 was prepared by the conventional solution precipitate method,followed by supercritical CO2 drying.The resultant Sn(OH)4 was divided into three aliquots and calcined at 400,600 and 800 °C,respectively,thus SnO2 nanoparticles with average cryst