A new CO2 detection system based on the trirutile-type CoSb2O6 oxide

Bonilla, Alex Guillen; Rodríguez-Betancourtt, Verónica María; Guillén-Bonilla, Héctor; Gildo-Ortiz, Lorenzo; Blanco, O.; Rodríguez, Nancy Elizabeth Franco; Gómez, Juan Reyes; Bonilla, José Trinidad Guillen

doi:10.1007/s10854-018-9228-4

Cited by 10 publications

(6 citation statements)

References 35 publications

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“…In reference [42], the authors proposed a CO 2 detection system based on CoSb 2 O 6 oxide. For its signal adaptation, the impedance response was analyzed.…”

Section: Discussionmentioning

confidence: 99%

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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“…In reference [42], the authors proposed a CO 2 detection system based on CoSb 2 O 6 oxide. For its signal adaptation, the impedance response was analyzed.…”

Section: Discussionmentioning

confidence: 99%

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

et al. 2019

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“…Given the increasing recognition of electrochemical durability as a critical design criteria for PEC materials discovery efforts, , we establish a search space for high throughput exploration with inspiration from recent reports of operationally stable antimonate (photo)electrocatalysts. Transition metal antimonates are a multifunctional collection of complex oxides that have been studied for applications including propane ammoxidation, gas sensors, − lithium storage, and visible light photocatalyst for degradation of water pollutant. , Several rutile antimonates have also been identified as being among the most Pourbaix-stable metal oxides under the electrochemical conditions for the oxidation and reduction of water. , This computational-based discovery coincides with a recent proliferation of experimental demonstrations of operationally stable antimonate electrocatalysts for OER, − the chlorine evolution reaction, , and oxygen reduction reaction. , …”

Section: Introductionmentioning

confidence: 88%

Surveying Metal Antimonate Photoanodes for Solar Fuel Generation

Zhou

Wang

Kan

et al. 2022

ACS Sustainable Chem. Eng.

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Ternary antimonate (X-Sb-O) materials are surveyed as photoanodes aimed at solar-driven evolution of dioxygen from water to enable solar generation of fuels and chemicals. Exploring this class of materials is motivated by their recent proliferation as operationally stable electrochemical materials as well as the prior demonstration of X-Sb-O photocatalysts. The survey was conducted via combinatorial materials science methods with a high throughput workflow including parallel synthesis via cosputter deposition and annealing, combinatorial characterization via X-ray diffraction and fluorescence, and automated photoelectrochemistry using a scanning droplet cell. The resulting 5608 measurements of external quantum efficiency span X-Sb-O composition systems with 14 different elements (X

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“…where z s (t) is the sensor's impedance, z c is the constant impedance, and z d (t) is the sensor's dynamic impedance in the test gas. Therefore, if we consider an operation point at [t, z(t)] and [t, θ(t)] [67], the impedance would be as follows:…”

Section: Data Availability Statementmentioning

confidence: 99%

Preparation of Powders Containing Sb, Ni, and O for the Design of a Novel CO and C3H8 Sensor

et al. 2021

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In this work, powders of NiSb2O6 were synthesized using a simple and economical microwave-assisted wet chemistry method, and calcined at 700, 800, and 900 °C. It was identified through X-ray diffraction that the oxide is a nanomaterial with a trirutile-type structure and space group P42/mnm (136). UV–Vis spectroscopy measurements showed that the bandgap values were at ~3.10, ~3.14, and ~3.23 eV at 700, 800, and 900 °C, respectively. Using scanning electron microscopy (SEM), irregularly shaped polyhedral microstructures with a size of ~154.78 nm were observed on the entire material’s surface. The particle size was estimated to average ~92.30 nm at the calcination temperature of 900 °C. Sensing tests in static atmospheres containing 300 ppm of CO at 300 °C showed a maximum sensitivity of ~72.67. On the other hand, in dynamic atmospheres at different CO flows and at an operating temperature of 200 °C, changes with time in electrical resistance were recorded, showing a high response, stability, and repeatability, and good sensor efficiency during several operation cycles. The response times were ~2.77 and ~2.10 min to 150 and 200 cm3/min of CO, respectively. Dynamic tests in propane (C3H8) atmospheres revealed that the material improved its response in alternating current signals at two different frequencies (0.1 and 1 kHz). It was also observed that at 360 °C, the ability to detect propane flows increased considerably. As in the case of CO, NiSb2O6’s response in propane atmospheres showed very good thermal stability, efficiency, a high capacity to detect C3H8, and short response and recovery times at both frequencies. Considering the great performance in propane flows, a sensor prototype was developed that modulates the electrical signals at 360 °C, verifying the excellent functionality of NiSb2O6.

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A new CO2 detection system based on the trirutile-type CoSb2O6 oxide

Cited by 10 publications

References 35 publications

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

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

Surveying Metal Antimonate Photoanodes for Solar Fuel Generation

Preparation of Powders Containing Sb, Ni, and O for the Design of a Novel CO and C3H8 Sensor

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