Journal
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
Volume 700, Issue 1, Pages 107-115Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/15421406.2020.1732557
Keywords
adsorption-semiconductor sensors; hydrogen; nanomaterials; sensitivity; CeO2
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Nanosized Ce-containing materials based on SnO(2)with Sb additives were obtained by a sol-gel method using tin (II) oxalate, hydrogen peroxide, antimony (III) chloride and cerium (III) acetate as precursors. The average particle sizes of the synthesized materials were found to beca.9 nm. It was shown that the sensors based on these nanocomposites exhibit high sensitivities to hydrogen microconcentrations in air, long-term stabilities of their parameters and demonstrate a wide range of the detectable hydrogen concentration (44 - 935 ppm H(2)in air).
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