Vipul Dhongade, P. More, R. Aiyer, Salim F. Bamsaoud
{"title":"基于Fe2O3-PdO掺杂SnO2的室温可操作LPG传感器","authors":"Vipul Dhongade, P. More, R. Aiyer, Salim F. Bamsaoud","doi":"10.1109/ISPTS.2015.7220077","DOIUrl":null,"url":null,"abstract":"The present paper reports room temperature operable LPG sensor based on Fe<sub>2</sub>O<sub>3</sub>-PdOdoped SnO<sub>2</sub> thin films. Thin films were deposited by spin coating and were fired at an optimized temperature of 550°C. Single step thermal decomposition is used to get SnO<sub>2</sub> films. The obtained films showed response from 100 to 2520 ppm of LPG. The films were characterized by XRD and UV-Vis spectroscopy. The average particle size is 13±lnm. UV-Vis absorption peak observed at 304.2nm corresponds to the band gap of -4.07 eV. The sensitivity of LPG sensor (SnO<sub>2</sub>+PdO(1%)+Fe<sub>2</sub>O<sub>3</sub>(5%) was found to be 1.88% per ppm. The response and recovery time was found to be 13 and 25 sec respectively at room temperature.","PeriodicalId":6520,"journal":{"name":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","volume":"17 1","pages":"35-38"},"PeriodicalIF":0.0000,"publicationDate":"2015-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Fe2O3-PdO doped SnO2 based room temperature operable LPG sensor\",\"authors\":\"Vipul Dhongade, P. More, R. Aiyer, Salim F. Bamsaoud\",\"doi\":\"10.1109/ISPTS.2015.7220077\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The present paper reports room temperature operable LPG sensor based on Fe<sub>2</sub>O<sub>3</sub>-PdOdoped SnO<sub>2</sub> thin films. Thin films were deposited by spin coating and were fired at an optimized temperature of 550°C. Single step thermal decomposition is used to get SnO<sub>2</sub> films. The obtained films showed response from 100 to 2520 ppm of LPG. The films were characterized by XRD and UV-Vis spectroscopy. The average particle size is 13±lnm. UV-Vis absorption peak observed at 304.2nm corresponds to the band gap of -4.07 eV. The sensitivity of LPG sensor (SnO<sub>2</sub>+PdO(1%)+Fe<sub>2</sub>O<sub>3</sub>(5%) was found to be 1.88% per ppm. The response and recovery time was found to be 13 and 25 sec respectively at room temperature.\",\"PeriodicalId\":6520,\"journal\":{\"name\":\"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)\",\"volume\":\"17 1\",\"pages\":\"35-38\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-03-07\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISPTS.2015.7220077\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 2nd International Symposium on Physics and Technology of Sensors (ISPTS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISPTS.2015.7220077","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Fe2O3-PdO doped SnO2 based room temperature operable LPG sensor
The present paper reports room temperature operable LPG sensor based on Fe2O3-PdOdoped SnO2 thin films. Thin films were deposited by spin coating and were fired at an optimized temperature of 550°C. Single step thermal decomposition is used to get SnO2 films. The obtained films showed response from 100 to 2520 ppm of LPG. The films were characterized by XRD and UV-Vis spectroscopy. The average particle size is 13±lnm. UV-Vis absorption peak observed at 304.2nm corresponds to the band gap of -4.07 eV. The sensitivity of LPG sensor (SnO2+PdO(1%)+Fe2O3(5%) was found to be 1.88% per ppm. The response and recovery time was found to be 13 and 25 sec respectively at room temperature.
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