Lanthanum oxide @ antimony-doped tin oxide with high gas sensitivity and selectivity towards ethanol vapor
| Autor: | Changyue Zhang, Baohua Li, Youwei Yao, Lianfeng Zhu, Guosheng Gai, Xuewen Ji, Mengyun Wang |
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| Rok vydání: | 2016 |
| Předmět: |
Ethanol
Doping Inorganic chemistry Metals and Alloys chemistry.chemical_element 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology Condensed Matter Physics Tin oxide 01 natural sciences 0104 chemical sciences Surfaces Coatings and Films Electronic Optical and Magnetic Materials chemistry.chemical_compound chemistry Lanthanum oxide Antimony Materials Chemistry Enhanced sensitivity Electrical and Electronic Engineering 0210 nano-technology Selectivity Instrumentation |
| Zdroj: | Sensors and Actuators B: Chemical. 224:478-484 |
| ISSN: | 0925-4005 |
| DOI: | 10.1016/j.snb.2015.10.083 |
| Popis: | An ethanol-sensing powder (La 2 O 3 @Sb-SnO 2 ), mixture composed of 1.00 wt.% La 2 O 3 and 99.00 wt.% Sb-doped SnO 2 (Sb-SnO 2 ), was found to possess enhanced sensitivity towards ethanol: typically, for La 2 O 3 @Sb-SnO 2 , the ratio of the response towards 1000 ppm ethanol vapor to that of 1000 ppm CO is 26.1 (60.0/2.3) under operating temperature of 250 °C; while for Sb-SnO 2 , the ratio is only 4.5 (9.0/2.0). A suggestive mechanism on enhanced ethanol sensing is discussed. |
| Databáze: | OpenAIRE |
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