2001
DOI: 10.1016/s0925-4005(01)00754-7
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Moisture influence and geometry effect of Au and Pt electrodes on CO sensing response of SnO2 microsensors based on sol–gel thin film

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Cited by 80 publications
(50 citation statements)
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“…The other advantage is to bring down the mean grain size from 10 nm (Sn-1) to 6 nm (Sn-3) in the last solgel route just by reversing nPrOH/iPrOH ratio from 2/1 to 1/2 without implementation of any surfactant or other additives. In this work, n-propanol and i-propanol alcohols were used to produce powder type products instead of their common use toward thin film fabrication [22]. Raising the temperature and time duration of calcination process would lead to bigger grain size of 80 nm because of their crystallite growth.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The other advantage is to bring down the mean grain size from 10 nm (Sn-1) to 6 nm (Sn-3) in the last solgel route just by reversing nPrOH/iPrOH ratio from 2/1 to 1/2 without implementation of any surfactant or other additives. In this work, n-propanol and i-propanol alcohols were used to produce powder type products instead of their common use toward thin film fabrication [22]. Raising the temperature and time duration of calcination process would lead to bigger grain size of 80 nm because of their crystallite growth.…”
Section: Resultsmentioning
confidence: 99%
“…3.33 g of SnCl 4 •4H 2 O (0.01 mol) was added to 8.98 ml of n-propanol (0.12 mol). Since this solvatation phenomenon is exothermic, due to the formation of a compound schematically indicated by the formula SnCl x (OPr) 4-x *PrOH [22], the reaction container was allowed to cool till ambient temperature. Simultaneously, 4.5 ml of i-propanol (0.06 mol) was added to 1.62 ml of deionized water (0.09 mol).…”
Section: Sol-gel Preparation Proceduresmentioning
confidence: 99%
“…Las características de estas barreras dependen del contenido de oxígeno intergranular lo que se refleja en un cambio en la resistividad del sensor [3]. En este sentido, diferentes factores, tales como química de defectos, propiedades morfológicas, influencia de aditivos y efectos catalíticos en las reacciones superficiales contribuyen a la respuesta eléctrica del sensor [4].…”
Section: Introductionunclassified
“…Las características de estas barreras dependen del contenido de oxígeno intergranular lo que se refleja en un cambio en la resistividad del sensor [3]. En este sentido, diferentes factores, tales como química de defectos, propiedades morfológicas, influencia de aditivos y efectos catalíticos en las reacciones superficiales contribuyen a la respuesta eléctrica del sensor [4].Un método ampliamente utilizado para incrementar la selectividad de los sensores de gases es incorporarle catalizadores al SnO 2 [5]. Morrison [6] determinó que un catalizador puede afectar las propiedades de la superficie de los granos y de los contactos intergranulares.…”
unclassified
“…Las características de estas barreras dependen del contenido de oxígeno intergranular lo que se refleja en un cambio en la resistividad del sensor (3). En este sentido, diferentes factores, tales como química de defectos, propiedades morfológi-cas, influencia de aditivos y efectos catalíticos en las reacciones superficiales, contribuyen a modificar la respuesta eléctri-ca del sensor (4).…”
Section: Introductionunclassified