Synthesis and characterization of cobalt antimonate nanostructures and their study as potential CO and CO2 sensor at low temperatures

Guillén-Bonilla, Alex; Blanco, O.; Bonilla, José Trinidad Guillen; Olvera, M. de la L.; Rodríguez-Betancourtt, Verónica María; Sánchez-Martínez, A.; Morán-Lázaro, Juan Pablo; Martínez-García, Mario; Guillén-Bonilla, Héctor

doi:10.1007/s10854-018-9157-2

Cited by 9 publications

(23 citation statements)

References 45 publications

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“…Meanwhile, reference [27] reports a maximum response of 7.2 at 300 °C and 300 ppm of CO. In addition, our research group recently reported that pellets of the trirutile-type oxide CoSb 2 O 6 showed a maximum response of ~7 at 350 °C and 300 ppm of CO [6] and of ~4.14 at 300 °C and 300 ppm of CO [51]. …”

Section: Resultsmentioning

confidence: 99%

Sensitivity Tests of Pellets Made from Manganese Antimonate Nanoparticles in Carbon Monoxide and Propane Atmospheres

Guillén-Bonilla

Rodríguez-Betancourtt

Bonilla

et al. 2018

Sensors

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Nanoparticles of manganese antimonate (MnSb2O6) were prepared using the microwave-assisted colloidal method for its potential application as a gas sensor. For the synthesis of the oxide, manganese nitrate, antimony chloride, ethylenediamine and ethyl alcohol (as a solvent) were used. The precursor material was calcined at 800 °C in air and analyzed by X-ray diffraction. The oxide crystallized into a hexagonal structure with spatial group P321 and cell parameters a = b = 8.8054 Å and c = 4.7229 Å. The microstructure of the material was analyzed by scanning electron microscopy (SEM), finding the growth of microrods with a size of around ~10.27 μm and some other particles with an average size of ~1.3 μm. Photoacoustic spectroscopy (PAS) studies showed that the optical energy band (Eg) of the oxide was of ~1.79 eV. Transmission electron microscopy (TEM) analyses indicated that the size of the nanoparticles was of ~29.5 nm on average. The surface area of the powders was estimated at 14.6 m2/g by the Brunauer–Emmett–Teller (BET) method. Pellets prepared from the nanoparticles were tested in carbon monoxide (CO) and propane (C3H8) atmospheres at different concentrations (0–500 ppm) and operating temperatures (100, 200 and 300 °C). The pellets were very sensitive to changes in gas concentration and temperature: the response of the material rose as the concentration and temperature increased. The results showed that the MnSb2O6 nanoparticles can be a good candidate to be used as a novel gas sensor.

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Section: Resultsmentioning

confidence: 99%

Sensitivity Tests of Pellets Made from Manganese Antimonate Nanoparticles in Carbon Monoxide and Propane Atmospheres

Guillén-Bonilla

Rodríguez-Betancourtt

Bonilla

et al. 2018

Sensors

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“…The electrical resistance measurements were made using a Keithley 2001 multimeter. Finally, the response (sensitivity) was estimated according to the formula [20,22,24]: S = (G G −G O )/G O , where, G G y G O are the pellets' conductances (1/electric resistance) in the test gas (CO) and air, respectively.…”

Section: Pellet Fabrication and Sensitivity Test In Co Atmospheresmentioning

confidence: 99%

“…Growth and nucleation of this type of morphology can be attributed to the residence time of the material inside the muffle and to the effect of the ethylenediamine used for the preparation of the NiSb 2 O 6 . We have reported in previous works that, by using ethylenediamine during the synthesis process, it was possible to obtain different types of morphologies, like microrods, octahedrons, hexagonal, microplates, and mesoporous-nanoparticles suitable for being used as gas sensors [19,20,[22][23][24]28,29].…”

Section: Sem Analysismentioning

confidence: 99%

“…On the other hand, other studies report that semiconductor oxides with trirutile-type structure possess interesting detection properties since they are chemically stable and can operate at different temperature ranges (mainly between 200 and 350 • C) [19]. The trirutile-type oxides most commonly employed for this application are CuSb 2 O 6 [20], NiSb 2 O 6 [21], MgSb 2 O 6 [22], ZnSb 2 O 6 [23], and more recently CoSb 2 O 6 [24].…”

Section: Introductionmentioning

confidence: 99%

“…To obtain this type of microstructural features, different synthesis routes have been used in the past, like the solid-state reaction, hydrothermal, coprecipitation, and sol-gel processes [25][26][27]. On the other hand, the colloidal synthesis method has been increasingly employed because through this process it is possible to obtain porous surfaces, diverse morphologies (nanoparticles, nanowires, nanorods, and nanobelts), and particle sizes less than 100 nm [22][23][24].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Carbone Monoxide (CO) Detection Device Based on the Nickel Antimonate Oxide and a DC Electronic Circuit

et al. 2019

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Carbon monoxide (CO) is very toxic to health. CO gas can cause intoxication and even death when the concentration is high or there are long exposure times. To detect atmospheres with CO gas concentration detectors are placed. In this work, a novel CO detection device was proposed and applied for CO detection. For its implementation, four stages were developed: Synthesis of nickel antimonite (NiSb2O6) oxide powders, physical characterization of NiSb2O6 powders, Pellet fabrication and sensitivity test in CO atmospheres and electronic circuit implementation where signal adaptation and signal amplification were considered. Experimentally, a chemical sensor was built and characterized, its signal adaptation circuit was implemented and also it was proved using CO concentrations from 1 to 300 ppm with the operating temperatures of 100, 200, and 300 °C. Its optimal operation was at 300 °C. From the experimental results, the CO detection device had excellent functionality because the chemical sensor based on the nickel antimonite oxide had high sensitivity and good electrical response, whereas the DC electronic circuit had good performance.

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Synthesis of the oxide NiSb2O6 and its electrical characterization in toxic atmospheres for its application as a gas sensor

Ramírez-Ortega

Zamora

Guillén-Bonilla

et al. 2022

J Mater Sci: Mater Electron

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Synthesis and characterization of cobalt antimonate nanostructures and their study as potential CO and CO2 sensor at low temperatures

Cited by 9 publications

References 45 publications

Sensitivity Tests of Pellets Made from Manganese Antimonate Nanoparticles in Carbon Monoxide and Propane Atmospheres

Sensitivity Tests of Pellets Made from Manganese Antimonate Nanoparticles in Carbon Monoxide and Propane Atmospheres

Carbone Monoxide (CO) Detection Device Based on the Nickel Antimonate Oxide and a DC Electronic Circuit

Synthesis of the oxide NiSb2O6 and its electrical characterization in toxic atmospheres for its application as a gas sensor

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