volume 137, issue 1-3, P53-58 2007
DOI: 10.1016/j.mseb.2006.10.006
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Abstract: CeO 2 -doped ZnO thin-film gas sensors with different Ce/Zn ratios have been fabricated by dip-coating method, starting from zinc acetate dihydrate, cerium nitrate hexahydrate (Ce(NO 3 ) 3 ·6H 2 O) and anhydrous ethanol. Each layer was fired at 180 • C in a conventional oven for 30 min and the final coatings were sintered at 500 • C in a muffle furnace for 60 min. The microstructure and morphology of the films were characterized by XRD and FESEM, respectively. The resistance and sensitivities to volatile orga…

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