郑州轻工业学院学报（自然科学版）Issue(5)：7-11,5.DOI:10.3969/j.issn.2095-476X.2015.5/6.002
WO3纳米棒／石墨烯复合材料的制备及其气敏性能研究
Synthesis and gas-sensing properties of WO3 nanorods/graphene composites
摘要
Abstract
Using sodium tungstate and hydrochloric acid as raw materials,oxalic acid and sodium sulfate as auxiliary agents,WO3 nanorods/graphene composites had been synthesized by hydrothermal method.The as-synthesized samples were characterized by XRD,FE-SEM,RAMAN and FTIR.Gas-sensing character-istics of the materials had been tested by static state method.The results illustrated that the as-synthesized pure WO3 had monoclinic phase and the WO3 /graphenenanomaterial had tetragonal phase.The length-di-ameter ratio of the materials increased when the amounts of graphene oxide (GO)increased,and the 1.0 wt% WO3 /graphenenanocomposite had a good gas-sensing property.Its sensitivity could reach 1.779 of 5 ×10 -6 H2 at 2.96 V working voltage(about 155 ℃).And this time,the response and recovery time was 3 s and 4 s,respectively.关键词
WO3 纳米棒/石墨烯复合材料/水热法/气敏性能Key words
WO3 nanorods/graphene composite/hydrothermal/gas-sensing performance分类
通用工业技术引用本文复制引用
桂阳海,孔华杰,刘贝贝,付柯瑞,王槐顺,袁朝圣..WO3纳米棒／石墨烯复合材料的制备及其气敏性能研究[J].郑州轻工业学院学报（自然科学版）,2015,(5):7-11,5.基金项目
国家自然科学基金项目（21371158）；中国博士后基金项目（2015M580638）；河南省创新人才项目（16HASTIT025）；河南省骨干教师项目（2011GGJS-102）；河南省科技厅基金项目（122300410299）；郑州轻工业学院大学生科技创新项目 （）
