{"title":"Characterization and Study of a Gas Sensor Based on SnO2 Pellets for Differentiation Biodiesel Blends","authors":"L. Castañeda","doi":"10.1166/SL.2020.4259","DOIUrl":null,"url":null,"abstract":"SnO2 pellets with surface gold interdigitated electrodes was obtained and used in the differentiation of biodiesel blends. The tin oxide synthesis method was polymeric precursor with further thermal treatment at 500 °C to eliminate organic part, conformed and sintered\n at three temperatures: 700° (Sn1), 900° (Sn2) and 1100 °C (Sn3). The samples were studied by X-ray Diffraction, FEG-SEM (Field Emission Gun-Scanning Electron Microscopy), Raman spectroscopy and electrical sensing gas measurements. The characterization techniques confirm the phase\n cassiterite (tetragonal type rutile structure), and particles with aspects almost spherical with particles size among 30 and 90 nm, Raman vibrational modes are characteristic of tin dioxide in rutile phase. The sensorial measurements showed high sensitivity in the tests with mixtures biodiesel/Ethanol\n allowing to distinguish the blends, but not well distinguished the blend diesel/biodiesel.","PeriodicalId":21781,"journal":{"name":"Sensor Letters","volume":"30 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2020-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Sensor Letters","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1166/SL.2020.4259","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
SnO2 pellets with surface gold interdigitated electrodes was obtained and used in the differentiation of biodiesel blends. The tin oxide synthesis method was polymeric precursor with further thermal treatment at 500 °C to eliminate organic part, conformed and sintered
at three temperatures: 700° (Sn1), 900° (Sn2) and 1100 °C (Sn3). The samples were studied by X-ray Diffraction, FEG-SEM (Field Emission Gun-Scanning Electron Microscopy), Raman spectroscopy and electrical sensing gas measurements. The characterization techniques confirm the phase
cassiterite (tetragonal type rutile structure), and particles with aspects almost spherical with particles size among 30 and 90 nm, Raman vibrational modes are characteristic of tin dioxide in rutile phase. The sensorial measurements showed high sensitivity in the tests with mixtures biodiesel/Ethanol
allowing to distinguish the blends, but not well distinguished the blend diesel/biodiesel.
期刊介绍：
The growing interest and activity in the field of sensor technologies requires a forum for rapid dissemination of important results: Sensor Letters is that forum. Sensor Letters offers scientists, engineers and medical experts timely, peer-reviewed research on sensor science and technology of the highest quality. Sensor Letters publish original rapid communications, full papers and timely state-of-the-art reviews encompassing the fundamental and applied research on sensor science and technology in all fields of science, engineering, and medicine. Highest priority will be given to short communications reporting important new scientific and technological findings.
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