Synthesis, characterization and gas sensing performance of aluminosilicate azide cancrinite

Bulletin of materials science

S G WAKCHAURE¹  A V BORHADE¹  T A KSHIRSAGAR¹  A G DHOLI¹ 

[1] Research Centre, Department of Chemistry, HPT Arts and RYK Science College, Nasik 422 005, India$$Research Centre, Department of Chemistry, HPT Arts and RYK Science College, Nasik 422 005, IndiaResearch Centre, Department of Chemistry, HPT Arts and RYK Science College, Nasik 422 005, India$$

关键词: Cancrinite;    XRD;    Rietveld refinement;    thick film;    gas sensing;    thermal analysis.;   

DOI  :  

学科分类：材料工程

来源: Indian Academy of Sciences

【 摘 要 】

The present investigation deals with synthesis and gas sensing performance of Na$_8$[AlSiO$_4$]$_6$(N$_3$)$_{2.4}$(H$_2$O)$_{4.6}$ cancrinite-based thick film. The product obtained was characterized by Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscope, thermogravimetric analysis and magic-angle spin nuclear magneticresonance (MAS NMR). The crystal structure of the product was determined from X-ray powder diffraction data by applying Rietveld refinement. Refinement showed that azide cancrinite crystallize in the space group P6$_3$. Alternate arrangement of Si and Al atoms was confirmed by single intense peak of MAS NMR analysis. For the first time, this study reports the gas sensing performance of aluminosilicate azide cancrinite. The effect of annealing andoperating temperature on gas sensing characteristic of azide cancrinite thick film is investigated systematically for various gases at different operating temperatures. This sensor was observed to be highly sensitive and selective toammonia gas.

【 授权许可】

Unknown