掺杂对Fe2O3纳米粉体气敏性的影响

1.福州大学化学化工学院,福州,350002

2.福州大学化学化工学院,福州,350002

3.福州大学化学化工学院,福州,350002

4.福州大学化学化工学院,福州,350002

基金项目: 福州大学校科研和教改项目(XKJ(YM)-0101) 福建省教育厅科研项目(K02011)

Effect of dopant on gas sensitivity of Fe2O3 nano powders

应用双微乳液法,在聚乙二醇辛基苯基醚(TX100)/正己醇/环己烷/水体系的油包水(W/O)型微乳液中合成了掺锡和金的氧化铁前驱体,对前驱体经400℃焙烧后所得的粉体进行了表征和气敏性测试,表明制得的掺杂0.5mol%Sn和0.5mol%Au的粉体对C2H5OH气体有较好的气敏性.

[1]	Lersak Promsong;Mana Sriyudthsak .The tin-oxide film alcohol-gas sensor[J].Sensors and Actuators B-Chemical,1995,24-25:504-506.
[2]	Shanwen Tao;Xingqin Liu;Xiangfeng Chun et al.Preparation and properties of g-Fe2O3 and Y2O3 doped g -Fe2O3 by a sol -gel process[J].Sensors and Actuators B-Chemical,1999,61:33-38.
[3]	Reddy CVG.;Cao W.;Tan OK.;Zhu W. .Preparation of Fe2O3(0.9)-SnO2(0.1) by hydrazine method: application as an alcohol sensor[J].Sensors and Actuators, B. Chemical,2002(2/3):170-175.
[4]	Shen Shui-fa;Liu Er-sheng;Lin De-juan et al.The synthesis and CO sensitivity of a-Fe2O3 nanopowder[J].Journal of Functional Materials and Devices,1999,5(04):313-317.
[5]	G. Neri;A. Bonavita;C. Milone;A. Pistone;S. Galvagno .Gold promoted Li-Fe_2O_3 thin films for humidity sensors[J].Sensors and Actuators, B. Chemical,2003(3):326-330.
[6]	Xing-qin Liu;Zheng-liang Xu;Ya-fei Liu et al.A novel high performance ethanol gas sensor based on CdO -Fe2O3 semiconductity materials[J].Sensors and Actuators B-Chemical,1998,52:270-273.

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