Vladimir V. Plashnitsa, P. Elumalai, Y. Fujio, N. Miura
{"title":"YSZ单晶制金传感电极的气敏特性","authors":"Vladimir V. Plashnitsa, P. Elumalai, Y. Fujio, N. Miura","doi":"10.1109/ICSENS.2009.5398553","DOIUrl":null,"url":null,"abstract":"The nano-structured gold sensing electrodes (SEs) were fabricated on (100) and (111) surfaces of single-crystal (sc) yttria-stabilized zirconia (YSZ) plates utilizing colloidal gold solution of 5 nm. After annealing at 1000°C, Au was found to form the large square-like domains (ca. 5×5 µm) on (100) surface of YSZ, whereas the triangular-like domains with the size of 2–3 µm were observed on YSZ(111). Such a discrepancy in morphology of nano-Au SEs resulted in the different sensing properties of the fabricated sensors as well as their short-term stability. While the sensor based on YSZ(100) treated with Au showed high emf responses to the non-methane hydrocarbons (HCs) at 700°C under the wet condition, the sensor based on YSZ(111) gave highly selective and sensitive responses to NH3.","PeriodicalId":262591,"journal":{"name":"2009 IEEE Sensors","volume":"43 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Gas sensing characteristics of Au sensing electrode fabricated on YSZ single-crystals\",\"authors\":\"Vladimir V. Plashnitsa, P. Elumalai, Y. Fujio, N. Miura\",\"doi\":\"10.1109/ICSENS.2009.5398553\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The nano-structured gold sensing electrodes (SEs) were fabricated on (100) and (111) surfaces of single-crystal (sc) yttria-stabilized zirconia (YSZ) plates utilizing colloidal gold solution of 5 nm. After annealing at 1000°C, Au was found to form the large square-like domains (ca. 5×5 µm) on (100) surface of YSZ, whereas the triangular-like domains with the size of 2–3 µm were observed on YSZ(111). Such a discrepancy in morphology of nano-Au SEs resulted in the different sensing properties of the fabricated sensors as well as their short-term stability. While the sensor based on YSZ(100) treated with Au showed high emf responses to the non-methane hydrocarbons (HCs) at 700°C under the wet condition, the sensor based on YSZ(111) gave highly selective and sensitive responses to NH3.\",\"PeriodicalId\":262591,\"journal\":{\"name\":\"2009 IEEE Sensors\",\"volume\":\"43 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2009-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2009 IEEE Sensors\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICSENS.2009.5398553\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 IEEE Sensors","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSENS.2009.5398553","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Gas sensing characteristics of Au sensing electrode fabricated on YSZ single-crystals
The nano-structured gold sensing electrodes (SEs) were fabricated on (100) and (111) surfaces of single-crystal (sc) yttria-stabilized zirconia (YSZ) plates utilizing colloidal gold solution of 5 nm. After annealing at 1000°C, Au was found to form the large square-like domains (ca. 5×5 µm) on (100) surface of YSZ, whereas the triangular-like domains with the size of 2–3 µm were observed on YSZ(111). Such a discrepancy in morphology of nano-Au SEs resulted in the different sensing properties of the fabricated sensors as well as their short-term stability. While the sensor based on YSZ(100) treated with Au showed high emf responses to the non-methane hydrocarbons (HCs) at 700°C under the wet condition, the sensor based on YSZ(111) gave highly selective and sensitive responses to NH3.
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