SYNTHESIS, CHARACTERIZATION AND GAS SENSING PERFORMANCE OF SOL-GEL PREPARED NANOCRYSTALLINE SnO2 THIN FILMS

被引：0

作者：

Bari, Ramesh H. ^{[1
]}

Patil, Sharad B. ^{[1
]}

Bari, Anil R. ^{[2
]}

机构：

[1] GDM Arts KRN Commerce & MD Sci Coll, Dept Phys, Nanomat Res Lab, Jamner 424206, India

[2] Arts Commerce & Sci Coll, Dept Phys, Bodwad 425310, India

来源：

INTERNATIONAL JOURNAL ON SMART SENSING AND INTELLIGENT SYSTEMS | 2014年 / 7卷 / 02期

关键词：

Sol-gel; nanocrystalline SnO2; thin films; H-2 gas sensor; fast response-recovery;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Nanocrystalline SnO2 thin films were successfully prepared using sol-gel dip coating technique. The starting precursor was used as tin chloride dihydrate (SnCl2.2H(2)O), ethanol and glycerin. As the prepared films were fired at 500 degrees C. These films were characterized using XRD, FE-SEM and TEM to known crystal structure, surface morphology and microstructure property. Elemental composition was studied using energy dispersive spectrophotometer (EDAX). The H-2 gas sensing performance of nanocrystalline SnO2 thin films were investigated and presented. It was found that the nanocrystalline SnO2 thin films gives maximum gas response (S = 360) at 75 degrees C. The sensor shows fast speed of response (T-Response = 2 s) and quick recover (T-recover = 8 s).

引用

页码：610 / 629

页数：20

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