Solid state gas sensor for fast carbon dioxide detection

Herrán, J.; Mandayo, G.G.; Castaño, E.

doi:10.1016/j.snb.2007.09.028

Cited by 43 publications

(9 citation statements)

References 15 publications

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“…CuO-BaTiO 3 , ZnO-WO 3 ) that exhibit changes in permittivity, providing the ability to perform capacitance measurements using semiconducting metal oxides. 66,372–374 A careful selection of of mixed metal oxide SnO 2 –TiO 2 compositions was recently demonstrated to significantly reduce (but not eliminate) humidity effects. 375 …”

Section: Integration Of Sensing Materials With Transducersmentioning

confidence: 99%

Materials and Transducers Toward Selective Wireless Gas Sensing

et al. 2011

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Introduction 7315 1.1. Diversity of Monitoring Needs of Volatiles 7315 1.2. Chemical Interferences As the Key Noise Parameter for Wireless Sensors 7316 1.3. Goals and Scope of This Review 7317 1.4. Topics That Are Out of Scope of This Review 7317 2. Anatomy of Wireless Gas Sensors 7317 2.1. Active and Passive Wireless Sensors 7318 2.2. Transducers for Wireless Passive Sensors 7319 2.3. RFID Sensors 7320 2.4. Key Performance Factors of Wireless Sensors 7320 2.5. Summary of Specific Requirements for Wireless Gas Sensors 7321 3. Need for Transducers with Multiple Response Mechanisms 7321 3.1. Limitations of Sensor Arrays for Tethered and Wireless Gas Sensing 7322 3.2. Data Processing 7322 3.3. Multivariate Sensing 7323 4. Integration of Sensing Materials with Transducers 7323 6.3. System Approach for Development of Wireless Gas Sensors 7345 6.4. Path Forward 7345 Author Information 7346 Biographies 7346 Acknowledgment 7347 References 7347

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Section: Integration Of Sensing Materials With Transducersmentioning

confidence: 99%

Materials and Transducers Toward Selective Wireless Gas Sensing

et al. 2011

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“…Historically, gas response in MOS sensors has been measured as the change in sensor resistance . There are also examples of capacitance measurements in metal oxides ranging from single-metal oxides (e.g., In 2 O 3 and SnO 2 ) to mixed metal oxide compositions (e.g., CuO-BaTiO 3 and ZnO-WO 3 ). − Sensors based on traditional single-output measurements of resistance or capacitance of metal oxides have known insufficient selectivity; as a result, they have been assembled into classic sensor arrays as recently reviewed …”

Section: Multivariable Nonresonant and Resonant Impedance Sensorsmentioning

confidence: 99%

Multivariable Sensors for Ubiquitous Monitoring of Gases in the Era of Internet of Things and Industrial Internet

2016

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Modern gas monitoring scenarios for medical diagnostics, environmental surveillance, industrial safety, and other applications demand new sensing capabilities. This Review provides analysis of development of new generation of gas sensors based on the multivariable response principles. Design criteria of these individual sensors involve a sensing material with multiresponse mechanisms to different gases and a multivariable transducer with independent outputs to recognize these different gas responses. These new sensors quantify individual components in mixtures, reject interferences, and offer more stable response over sensor arrays. Such performance is attractive when selectivity advantages of classic gas chromatography, ion mobility, and mass spectrometry instruments are canceled by requirements for no consumables, low power, low cost, and unobtrusive form factors for Internet of Things, Industrial Internet, and other applications. This Review is concluded with a perspective for future needs in fundamental and applied aspects of gas sensing and with the 2025 roadmap for ubiquitous gas monitoring.

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“…Synthesis of perovskite was performed by various techniques which include co-precipitation [17], solgel method [18] and thin film vapour deposition method [19]. These methods are laborious, expensive and cause water pollution.…”

Section: Synthesis Of Pbmno3mentioning

confidence: 99%

“…In the market non-dispersive infrared absorption (ND-IR) CO2 gas sensors available which are bulky and have high cost [12,13]. Metal oxides and modified metal oxides have always been the choice for CO2 sensor materials [14][15][16][17][18]. Ammonia (NH3) and H2S is a toxic gas with threshold limit value of 25 ppm for long term exposure (8 h) which are detected by semiconductor metal oxides including SnO2, WO3 and RuO2 doped ZnO have been reported for detection of NH3 [19,20].…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization and Gas Sensing Performance of PbMnO3, PbMnO3 : SiO2 and PbMnO3 : Al2O3

Borhade¹,

Sangle²,

Tope³

2018

IJSRSET

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The present study reports ecofriendly mechanochemical synthesis of PbMnO3, PbMnO3:SiO2 and PbMnO3:Al2O3 composite metal oxides for the first time. The polycrystalline product obtained was analyzed by various physical investigative techniques including FTIR, XRD, SEM, TEM and BET surface area. Screen printed thick films of PbMnO3 and modified PbMnO3 oxides were prepared to check the potential application for gas sensing properties for most toxic, combustible and hazardous gases CO, CO2, H2, Cl2, NH3 and H2S at different operating temperatures ranging from 500C to 400 0C. Among the synthesized sensor PbMnO3:SiO2 shows highest sensitivity (1740) towards NH3 at 50 0C as compared toPbMnO3 (71.42) to NH3 at 200 0C andPbMnO3:Al2O3 (315.8) toH2S at 2500C.This study signifies that sensor was observed to be highly sensitive and selective to NH3 and H2S gas.

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Solid state gas sensor for fast carbon dioxide detection

Cited by 43 publications

References 15 publications

Materials and Transducers Toward Selective Wireless Gas Sensing

Materials and Transducers Toward Selective Wireless Gas Sensing

Multivariable Sensors for Ubiquitous Monitoring of Gases in the Era of Internet of Things and Industrial Internet

Synthesis, Characterization and Gas Sensing Performance of PbMnO3, PbMnO3 : SiO2 and PbMnO3 : Al2O3

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