Metal oxide resistive sensors for carbon dioxide detection

Article Health Care Sciences & Services

Improving Capnography Use for Critically Ill Emergency Patients: An Implementation Study

Rahul Shah et al.

Summary: Documented capnography use increased with simple interventions but with no positive trend. Additional work is needed to improve use.

JOURNAL OF PATIENT SAFETY (2022)

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Article Materials Science, Multidisciplinary

Synthesis of PSi-n/CuO-p/Cu2O-n heterostructure for CO2 gas sensing at room temperature

Soraya Bouachma et al.

Summary: A n(+)-PSi/p-CuO/n-Cu2O bilayered heterostructure has been fabricated and tested for its performance in a CO2 gas environment. The results showed that the bilayer structure has high sensitivity and fast response time at low bias potential.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2022)

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Review Chemistry, Inorganic & Nuclear

Design and optimization strategies of metal oxide semiconductor nanostructures for advanced formaldehyde sensors

Chengming Lou et al.

Summary: Formaldehyde sensors are crucial for indoor air quality monitoring and gas leakage detection in industrial areas. The development of high-performance formaldehyde sensors has been greatly facilitated by the research progress in metal oxide semiconductors (MOS) nanomaterials. This review summarizes the recent advances in formaldehyde sensors utilizing MOS nanostructures, emphasizing the structure-property relationships of various MOS types and discussing optimization strategies for sensor performances. The perspectives and challenges in the future development of formaldehyde sensors are also discussed.

COORDINATION CHEMISTRY REVIEWS (2022)

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Review Engineering, Electrical & Electronic

Non-Dispersive Infrared Gas Sensing Technology: A Review

Ravindra Kumar Jha

Summary: Non-dispersive infrared gas sensing (NDIR) is a unique optical sensing technique that can fingerprint and distinctly identify gases based on their absorption characteristics when interacting with IR radiation. The basic components of an NDIR gas sensor include an IR emitter, detector, optical filter, gas cell, and circuit elements for signal processing. Proper selection of components is crucial for targeted applications.

IEEE SENSORS JOURNAL (2022)

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Article Spectroscopy

Compact carbon dioxide sensor using tunable diode laser absorption spectroscopy for capnographic monitoring

Jinyi Li et al.

Summary: A compact carbon dioxide sensor based on tunable diode laser spectroscopy technology was developed for real-time capnographic monitoring. With a 2004 nm distributed feedback laser and a circular gas cell, the sensor achieved a detection limit of 175 ppm at a measurement rate of 12.5 Hz. Experiments on exhaled carbon dioxide gas detection showed that the sensor is effective and practical for carbon dioxide metabolic monitoring and related disease diagnosis.

SPECTROSCOPY LETTERS (2022)

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Review Nursing

The Effectiveness of Capnography Versus Pulse Oximetry in Detecting Respiratory Adverse Events in the Postanesthesia Care Unit (PACU): A Narrative Review and Synthesis

Margaret M. McNeill et al.

Summary: This review aims to evaluate the effectiveness of capnography monitoring compared to pulse oximetry monitoring in detecting respiratory adverse events in PACU. The findings suggest that capnography can improve the detection of respiratory adverse events in the PACU. However, due to the limited number of randomized controlled trials and variations in outcome measurements, meta-analysis was not possible.

JOURNAL OF PERIANESTHESIA NURSING (2022)

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Article Crystallography

Copper Oxide/Functionalized Graphene Hybrid Nanostructures for Room Temperature Gas Sensing Applications

Monika Gupta et al.

Summary: In this study, a hybrid of copper oxide with functionalized graphene was proposed for gas sensing at room temperature. The material exhibited high sensitivity, good electrical conductivity, and showed potential for use in domestic and industrial safety gas sensors.

CRYSTALS (2022)

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Article Materials Science, Ceramics

Low concentration isopropanol gas sensing properties of Ag nanoparticles decorated In2O3 hollow spheres

Chao Zhang et al.

Summary: In this study, hollow sphere sensors based on In2O3 were prepared using the soft template method for the detection of low concentrations of volatile organic compounds (VOCs) for early diagnosis of lung cancer. The Ag-In2O3 composite sensors showed the highest response to isopropanol and had a significant improvement compared to pure In2O3 sensors, with shortened response and recovery time.

JOURNAL OF ADVANCED CERAMICS (2022)

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Review Agriculture, Multidisciplinary

Electronic noses based on metal oxide semiconductor sensors for detecting crop diseases and insect pests

Zichen Zheng et al.

Summary: The detection of pests and diseases is crucial for agricultural production. The traditional methods have negative impacts on the environment and health, while electronic nose technology offers an environmentally friendly alternative.

COMPUTERS AND ELECTRONICS IN AGRICULTURE (2022)

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Article Chemistry, Physical

Sb incorporated SnO2 nanostructured thin films for CO2 gas sensing and humidity sensing applications

Mohini Panday et al.

Summary: Antimony-doped SnO2 thin films were prepared and tested as gas and humidity sensors. The results showed that the doping of antimony can significantly affect the optical and electrical properties of the films, leading to excellent sensing response at different temperatures and humidities.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

Sensitive and selective CO2 gas sensor based on CuO/ZnO bilayer thin-film architecture

T. Bhowmick et al.

Summary: A CuO/ZnO bilayer thin film was developed for sensitive and selective detection of CO2 gas. The adsorption behavior of CO2 on the heterogenous C/Z bilayer thin-film sensor was investigated, and the theoretical analysis of the adsorption model provided insights into the activation energy and heat of adsorption of CO2 gas. The study elucidated the CO2 sensing mechanism based on surface defects for CuO and ZnO.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Physical

Enhanced visible light-excited ZnSnO3 for room temperature ppm-level CO2 detection

Kewei Liu et al.

Summary: In this study, microstructured ZnSnO3 material with special features was successfully synthesized using a one-step hydrothermal method, and visible light was used to enhance its sensing properties for CO2 gas. The results showed that ZnSnO3 exhibited high gas response, repeatability, and long-term stability towards 400 ppm CO2 at room temperature, with a higher response under purple light excitation. Additionally, ZnSnO3 showed excellent selectivity for 50 ppm CO2, making it a promising material for devices used in medical respiratory detection, agricultural crop growth detection, and other fields.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Engineering, Electrical & Electronic

UV-activated CO2 sensor based on ZnO nanoparticles at low temperatures

Fatemeh Bagheri et al.

Summary: This study suggests that UV-excited sensors based on nanoparticles are practical for carbon dioxide gas sensing, overcoming limitations of NDIR and MOS sensors. These sensors provide good sensitivity, stability, and short response/recovery time at low temperatures.

MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING (2022)

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Letter Materials Science, Multidisciplinary

Preparation of ZnO1-x by peroxide thermal decomposition and its room temperature gas sensing properties

Chao Zhang et al.

RARE METALS (2022)

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Article Chemistry, Analytical

In-situ synthesized N-doped ZnO for enhanced CO2 sensing: Experiments and DFT calculations

Yong Xia et al.

Summary: Chemiresistive CO2 sensing using well-developed ZnO material with nitrogen doping has been studied. It was found that the response to CO2 is higher in the presence of nitrogen doping and under N2 background. Density functional theory calculations revealed that nitrogen doping is responsible for the observed response. In the presence of pre-adsorbed O2, the interaction between N-doped ZnO and CO2 is hindered, resulting in limited response in air.

SENSORS AND ACTUATORS B-CHEMICAL (2022)

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Article Acoustics

Integrated near-infrared QEPAS sensor based on a 28 kHz quartz tuning fork for online monitoring of CO2 in the greenhouse

Yihua Liu et al.

Summary: A highly sensitive and integrated near-infrared CO2 sensor based on quartz enhanced photoacoustic spectroscopy (QEPAS) was developed. The system utilized a novel quartz tuning fork (QTF) and a near-infrared DFB laser diode to achieve a compact acoustic detection module. The minimum detection limit (MDL) of the sensor system was improved to 0.7 ppm, allowing for 24-hour continuous monitoring of CO2 concentration in a greenhouse.

PHOTOACOUSTICS (2022)

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Article Materials Science, Ceramics

Fabrication of enhanced sensitive and selective porous indium oxide nanocube sensor for NO2 detection

Krishna K. Pawar et al.

Summary: Porous nanoarchitectures of metal oxide semiconductors offer high surface area and active sites for various applications. The fabrication of porous Indium oxide nanocubes through a surfactant-based biogenic hydrothermal method and nanoscale Kirkendall effect were reported. The resulting PINC-based film sensor exhibited high sensitivity and selectivity towards NO2 gas.

CERAMICS INTERNATIONAL (2021)

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Review Engineering, Electrical & Electronic

Use of Surface Acoustic Wave (SAW) for Thermal Conductivity Sensing of Gases - a Review

Fahim Durani et al.

Summary: This paper presents a review on the use of SAW for thermal conductivity sensing of gases, discussing key advantages and limitations, design considerations, experimental results, and future trends involving Lamb Wave devices and passive sensing.

IETE TECHNICAL REVIEW (2021)

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Review Materials Science, Multidisciplinary

Microwave-assisted hydrothermal synthesis of copper oxide-based gas-sensitive nanostructures

Ying Li et al.

Summary: Hydrothermal methods are efficient for synthesizing products with specific morphology and nanostructure, and the assistance of microwaves can accelerate reactions and improve physicochemical properties, impacting gas-sensing performance. CuO is widely used in semiconductor gas sensors. Technical challenges and prospective solutions for high-performance CuO-based materials are discussed, and hierarchical CuO-based nanostructures prepared by MWHS process are proposed as efficacious methods for enhancing gas-sensing performance.

RARE METALS (2021)

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Article Materials Science, Multidisciplinary

CO2 sensing properties of WO3 powder: experimental and theoretical studies

R. Lozano-Rosas et al.

Summary: Different synthesis methods were used to obtain tungsten oxide powders, and their structural, optical, electrical, and gas sensing properties were studied. Results showed that WO3 samples exhibited good sensitivity to CO2 molecules, making them promising gas sensors.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2021)

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Article Engineering, Chemical

Electrochemical sensors based on proton-conducting electrolytes for determination of concentration and diffusion coefficient of CO2 in inert gases

Anatoly S. Kalyakin et al.

Summary: This study presents the fabrication and testing of an amperometric-type sensor based on a proton-conducting material for analyzing the concentration of carbon dioxide (CO2) in inert gases at elevated temperatures. The sensor is able to precisely detect CO2 concentration in a wet N-2 atmosphere at intermediate temperatures, and can also estimate diffusion coefficients for CO2-N-2 mixtures.

CHEMICAL ENGINEERING SCIENCE (2021)

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Review Chemistry, Inorganic & Nuclear

Engineering mesoporous semiconducting metal oxides from metal-organic frameworks for gas sensing

Gen Wang et al.

Summary: Chemiresistive gas sensors based on semiconducting metal oxides (SMOs) are widely used in various fields, but developing sensors with high selectivity and low working temperature remains a challenge. Metal-organic frameworks (MOFs) derived SMOs have shown promise due to their mesoporous structure and unique morphology. This review systematically summarizes recent developments in this area and discusses strategies for enhancing sensing performance, such as constructing novel nanostructures and combining with highly-conductive materials.

COORDINATION CHEMISTRY REVIEWS (2021)

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Review Chemistry, Inorganic & Nuclear

Metal-organic frameworks based nanostructure platforms for chemo-resistive sensing of gases

Naini Garg et al.

Summary: Metal-organic Frameworks (MOFs) are porous crystalline structural materials made up of metal ions and organic linkers, offering endless combinations for various applications such as sensing, gas storage, catalysis, optoelectronics, and drug delivery. MOF nanostructures are being developed to incorporate beneficial attributes and overcome the weaknesses of individual components, leading to high-performance chemo-resistive gas sensors and other advanced applications.

COORDINATION CHEMISTRY REVIEWS (2021)

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Article Biochemistry & Molecular Biology

Calibration of Quartz-Enhanced Photoacoustic Sensors for Real-Life Adaptation

Jesper B. Christensen et al.

Summary: This study utilized quartz-enhanced photoacoustic spectroscopy for continuous carbon-dioxide measurements in humid air, revealing that the presence of water molecules can affect the relaxation rate of target molecules and consequently the amplitude of the photoacoustic signal. By pre-calibrating the sensor system and comparing it with a self-calibration method, it was found that the self-calibrated method proved to be more accurate and precise.

MOLECULES (2021)

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Article Chemistry, Physical

A Highly Sensitive Room Temperature CO2 Gas Sensor Based on SnO2-rGO Hybrid Composite

Zhi Yan Lee et al.

Summary: The study of a tin oxide (SnO2) and reduced graphene oxide (rGO) hybrid composite gas sensor for high-performance carbon dioxide (CO2) gas detection at room temperature shows excellent response magnitudes, good linearity, and low detection limit, making it suitable for a wide range of CO2 concentration detection.

MATERIALS (2021)

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Article Chemistry, Physical

Sustainable behavior of cauliflower like morphology of Y-doped ZnO:CdO nanocomposite thin films for CO2 gas sensing application at low operating temperature

Kumud Choudhary et al.

Summary: Yttrium doped ZnO:CdO nanocomposite thin films were prepared and studied for CO2 gas sensing. The YZC2 sample showed promising gas sensing performance and suitable for CO2 gas sensing application. Characterization of the films was conducted using XRD, FE-SEM, and UV-Vis spectroscopy to analyze their structural, surface, and optical properties.

JOURNAL OF ALLOYS AND COMPOUNDS (2021)

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Article Chemistry, Applied

SnO2-Co3O4 pores composites for CO2 gas sensing at low operating temperature

Gayatri Joshi et al.

Summary: In this study, SnO2 coexisted with Co3O4 nanocomposites were successfully synthesized using sol gel spin coating technique, exhibiting high sensitivity to CO2 at lower temperatures. Characterization of the structural properties and morphology was conducted through techniques such as X-ray diffraction and scanning electron microscopy, showing that the addition of Co3O4 can control the morphology and optical properties of the nanocomposites.

MICROPOROUS AND MESOPOROUS MATERIALS (2021)

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Article Chemistry, Analytical

Flame-Made La2O3-Based Nanocomposite CO2 Sensors as Perspective Part of GHG Monitoring System

Matvey Andreev et al.

Summary: This study successfully detected CO2 in the relevant concentration range and ambient conditions using La2O3-based materials synthesized by flame spray pyrolysis technique. The sensitive materials were characterized using various analytical methods, providing a new approach for gas sensor fabrication.

SENSORS (2021)

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Article Chemistry, Analytical

Well-connected ZnO nanoparticle network fabricated by in-situ annealing of ZIF-8 for enhanced sensitivity in gas sensing application

Yong Xia et al.

Summary: Low-power microheater platforms show great potential in reducing power consumption during gas sensing processes. By in-situ annealing a porous metal organic framework (MOF), ZIF-8, using a miniature heater electrode with a fast ramp rate, a well-connected nanoparticle network with high porosity is formed, leading to significantly enhanced response to ethanol compared to ex-situ annealed counterparts and commercially available nanoparticles. AC impedance spectroscopy reveals that the increase in performance is attributed to the large number of highly accessible and effective adsorption sites on the in-situ annealed material.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Materials Science, Multidisciplinary

Porous silicon/α-MoO3 nanohybrid based fast and highly sensitive CO2 gas sensors

Tijin Thomas et al.

Summary: A high-performance CO2 gas sensor based on a p-Si/MoO3 nanohybrid structure was developed, demonstrating excellent sensitivity, repeatability, and fast response time towards CO2 gas. The sensor also showed a low working temperature and a low detection limit.

VACUUM (2021)

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Review Materials Science, Ceramics

TiO2 as a gas sensor: The novel carbon structures and noble metals as new elements for enhancing sensitivity - A review

Evelyn Alves Nunes Simonetti et al.

Summary: The development of highly selective, stable, and sensitive materials for various gas emissions has been a challenging task, driving advancements in gas sensor applications. The use of nanostructured functional and smart materials at high temperatures is crucial for gas detection and monitoring, with semiconductor materials based on titanium dioxide showing promising properties. Studies have explored multiple sensors based on TiO2 nanoparticles to detect various gases, and the combination of TiO2 with carbon structures or noble metals has been investigated for further improvement in gas sensor applications.

CERAMICS INTERNATIONAL (2021)

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Review Chemistry, Inorganic & Nuclear

Full review: The progress and developing trends of nanosheet-based sensing applications

Sheng Zhang et al.

Summary: Due to the extremely high area-to-thickness ratio, nanosheets have become a rising research field with unique physical and electrochemical properties, showing immense potential for high-performance sensors.

COORDINATION CHEMISTRY REVIEWS (2021)

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Article Chemistry, Physical

Solid-electrolyte amperometric sensor for measuring NO in air, nitrogen, and nitrogen-oxygen gas mixtures

A. S. Kalyakin et al.

Summary: This research discussed the possibility of using an electrochemical amperometric sensor with a diffusion barrier to measure small NO concentrations in gas mixtures, and studied the sensor's stability, reproducibility, and ability to determine precise NO concentrations at high temperatures. The catalytic role of NO molecules in oxygen exchange and the effects of impurities on sensor performance were also examined.

IONICS (2021)

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Article Materials Science, Multidisciplinary

Porous In2O3 nanorods fabricated by hydrothermal method for an effective CO gas sensor

Pham Van Tong et al.

Summary: In this study, porous In2O3 nanorods with a diameter of about 10 nm and length of about 40 nm were fabricated and utilized as an effective CO gas sensor. The sensor showed the best gas sensing performance at a working temperature of 350 degrees C with a response value of about 3.5 for 400 ppm CO, and exhibited excellent stability and high selectivity to detect CO over interfering gases.

MATERIALS RESEARCH BULLETIN (2021)

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Article Optics

Tailorable infrared emission of microelectromechanical system-based thermal emitters with NiO films for gas sensing

Nanxi Li et al.

Summary: This study demonstrates the tunability of radiant power and emergence of new emission wavelengths of MEMS-based thermal emitters with NiO films, which are used for creating a sensor array capable of selectively and sensitively detecting CO2 and CH4 at room temperature with fast response and good recyclability. These findings provide insights for designing and fabricating optical sensors with promising prospects for mass production and commercialization.

OPTICS EXPRESS (2021)

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Article Materials Science, Multidisciplinary

Improvement of gas sensitivity of ferric oxide thin films by adding Mn nanoparticles

R. M. T. D. Rajapaksha et al.

Summary: Thin films of manganese-doped ferric oxide were successfully synthesized on FTO glass substrates using the doctor blade method, showing good crystallinity and stability. The film with 6% manganese doping exhibited the lowest bandgap of 1.82 eV, highest sensitivity to CO2 gas, and remarkable sensing performance.

BULLETIN OF MATERIALS SCIENCE (2021)

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Review Chemistry, Inorganic & Nuclear

Modulation of interfacial charge dynamics of semiconductor heterostructures for advanced photocatalytic applications

Chun-Wen Tsao et al.

Summary: Photocatalysis using semiconductor heterostructures is a promising technology with the potential to meet global energy demand, reduce greenhouse effect, and accomplish environmental remediation. However, challenges such as inadequate solar photons absorption and poor surface reaction kinetics hinder the widespread deployment of semiconductor photocatalysts. Modulating charge dynamics and manipulating carrier behavior could pave the way for the intelligent design of versatile photocatalysts for advanced applications.

COORDINATION CHEMISTRY REVIEWS (2021)

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Article Materials Science, Multidisciplinary

Synthesis and NH3/TMA sensing properties of CuFe2O4 hollow microspheres at low working temperature

Kai-Di Wu et al.

Summary: CuFe2O4 HMANs were synthesized with nanosheets assembled in hollow microspheres, and the annealing temperature significantly influenced their gas sensing characteristics. The CuFe2O4 HMANs exhibited excellent sensing properties towards low-concentration NH3 and TMA, showing promising potential for real-time monitoring applications.

RARE METALS (2021)

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Article Emergency Medicine

End-tidal capnography provides reliable ventilatory monitoring for non-intubated patients presenting after sedative overdose to the emergency department

Teri Millane et al.

EMERGENCY MEDICINE AUSTRALASIA (2020)

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Article Materials Science, Ceramics

Fast response of CO2 room temperature gas sensor based on Mixed-Valence Phases in Molybdenum and Tungsten Oxide nanostructured thin films

Mohamed A. Basyooni et al.

CERAMICS INTERNATIONAL (2020)

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Article Chemistry, Physical

Facile conversion of zinc hydroxide carbonate to CaO-ZnO for selective CO2 gas detection

Shravanti Joshi et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2020)

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Article Materials Science, Multidisciplinary

Highly response CO2 gas sensor based on Au-La2O3 doped SnO2 nanofibers

Kuo-Chin Hsu et al.

MATERIALS LETTERS (2020)

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Article Nanoscience & Nanotechnology

Low-Temperature Carbon Dioxide Gas Sensor Based on Yolk-Shell Ceria Nanospheres

Cecilia A. Zito et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Nanoscience & Nanotechnology

Novel Solid Electrolyte CO2 Gas Sensors Based on c-Axis-Oriented Y-Doped La9.66Si5.3B0.7O26.14

Nan Ma et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Engineering, Electrical & Electronic

Breakthrough in CO2 Measurement With a Chamberless NDIR Optical Gas Sensor

Mostafa Vafaei et al.

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT (2020)

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Article Environmental Sciences

Ridge-furrow mulching system and supplementary irrigation can reduce the greenhouse gas emission intensity

Yueyue Xu et al.

SCIENCE OF THE TOTAL ENVIRONMENT (2020)

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Review Chemistry, Inorganic & Nuclear

Diversiform metal oxide-based hybrid nanostructures for gas sensing with versatile prospects

Dongzhi Zhang et al.

COORDINATION CHEMISTRY REVIEWS (2020)

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Review Materials Science, Ceramics

Micro-nano structured functional coatings deposited by liquid plasma spraying

Yuchun Huan et al.

JOURNAL OF ADVANCED CERAMICS (2020)

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Article Chemistry, Analytical

Electrolyte-gated transistor for CO2 gas detection at room temperature

Bora Ersoez et al.

SENSORS AND ACTUATORS B-CHEMICAL (2020)

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Article Engineering, Electrical & Electronic

An 860 MHz Wireless Surface Acoustic Wave Sensor With a Metal-Organic Framework Sensing Layer for CO2 and CH4

Jagannath Devkota et al.

IEEE SENSORS JOURNAL (2020)

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Article Chemistry, Inorganic & Nuclear

Design and fabrication of g-C3N4 nanosheets decorated TiO2 hybrid sensor films for improved performance towards CO2 gas

P. Karthik et al.

INORGANIC CHEMISTRY COMMUNICATIONS (2020)

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Article Chemistry, Applied

CO2 sensing properties and mechanism of PrFeO3 and NdFeO3 thick film sensor

Yanping Chen et al.

JOURNAL OF RARE EARTHS (2019)

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Article Chemistry, Physical

Solid-state potentiometric CO2 sensor combining Li3PO4 with MoO3-doped Li2CO3 sensing electrode

Hairong Wang et al.

IONICS (2019)

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Article Engineering, Electrical & Electronic

VCSEL-Based Atmospheric Trace Gas Sensor Using First Harmonic Detection

Lijuan Lan et al.

IEEE SENSORS JOURNAL (2019)

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Review Chemistry, Multidisciplinary

Current Understanding of the Fundamental Mechanisms of Doped and Loaded Semiconducting Metal-Oxide-Based Gas Sensing Materials

David Degler et al.

ACS SENSORS (2019)

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Article Chemistry, Multidisciplinary

CO2 Sensing Behavior of Calcium-Doped ZnO Thin Film: A Study To Address the Cross-Sensitivity of CO2 in H2 and CO Environment

Abhishek Ghosh et al.

LANGMUIR (2019)

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Article Materials Science, Multidisciplinary

High performance CO2 gas sensor based on noble metal functionalized semiconductor nanomaterials for health and environmental safety

M. Manasa et al.

MATERIALS RESEARCH EXPRESS (2019)

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Article Nanoscience & Nanotechnology

Hierarchical TiO2:Cu2O Nanostructures for Gas/Vapor Sensing and CO2 Sequestration

Eric S. Muckley et al.

ACS APPLIED MATERIALS & INTERFACES (2019)

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Article Materials Science, Ceramics

A systematic study on the crystal facets-dependent gas sensing properties of anatase TiO2 with designed {010}, {101} and {001} facets

Yan Liang et al.

CERAMICS INTERNATIONAL (2019)

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Article Materials Science, Multidisciplinary

Gas sensing performance of GaOOH and β-Ga2O3 synthesized by hydrothermal method: a comparison

Rekha Pilliadugula et al.

MATERIALS RESEARCH EXPRESS (2019)

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Article Multidisciplinary Sciences

Macroporous Silicon (MPS) with Embedded NiO Thin Film for CO2 Gas Sensing

K. M'hammedi et al.

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING (2019)

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Article Multidisciplinary Sciences

Development of Nano-WO3 Doped with NiO for Wireless Gas Sensors

M. Adel Abozeid et al.

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING (2019)

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Article Nanoscience & Nanotechnology

Chemiresistive Sensor Based on Zinc Oxide Nanoflakes for CO2 Detection

Srinivasulu Kanaparthi et al.

ACS APPLIED NANO MATERIALS (2019)

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Review Agricultural Engineering

Automatic carbon dioxide enrichment strategies in the greenhouse: A review

Yongwei Li et al.

BIOSYSTEMS ENGINEERING (2018)

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Article Materials Science, Ceramics

Effect of synthesis method and morphology on the enhanced CO2 sensing properties of magnesium ferrite MgFe2O4

T. P. Sumangala et al.

CERAMICS INTERNATIONAL (2018)

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Article Engineering, Electrical & Electronic

Fluorinated Anionic Room Temperature Ionic Liquid-Based CO2 Electrochemical Sensing

Edward W. Graef et al.

IEEE SENSORS JOURNAL (2018)

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Article Nanoscience & Nanotechnology

CO2 sensing properties of electro-spun Ca-doped ZnO fibres

Fabiola Panto et al.

NANOTECHNOLOGY (2018)

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Article Materials Science, Coatings & Films

Reducing N2O induced cross-talk in a NDIR CO2 gas sensor for breath analysis using multilayer thin film optical interference coatings

Lewis Fleming et al.

SURFACE & COATINGS TECHNOLOGY (2018)

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Article Chemistry, Multidisciplinary

Highly Selective CO2 Gas Sensing Properties of CaO-BaTiO3 Heterostructures Effectuated through Discretely Created n-n Nanointerfaces

Shravanti Joshi et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

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Article Materials Science, Multidisciplinary

CO2 responses based on pure and doped CeO2 nano-pellets

Ahmed A. Aboud et al.

JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T (2018)

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Article Chemistry, Analytical

Selective discrimination of hazardous gases using one single metal oxide resistive sensor

Matteo Tonezzer et al.

SENSORS AND ACTUATORS B-CHEMICAL (2018)

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Article Nanoscience & Nanotechnology

Straddled Band Aligned CuO/BaTiO3 Heterostructures: Role of Energetics at Nanointerface in Improving Photocatalytic and CO2 Sensing Performance

Shravanti Joshi et al.

ACS APPLIED NANO MATERIALS (2018)

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Article Chemistry, Analytical

Amperometric CO2 gas sensor based on interconnected web-like nanoparticles of La2O3 synthesized by ultrasonic spray pyrolysis

Anuja A. Yadav et al.

MICROCHIMICA ACTA (2017)

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Article Physics, Condensed Matter

The effect of CO2 gas adsorption on the electrical properties of Fe doped TiO2 films

Diana Mardare et al.

PHYSICA B-CONDENSED MATTER (2017)

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Article Chemistry, Physical

Surface chemistry and stability of metastable corundum- type In2O3

Eva-Maria Koeck et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2017)

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Article Chemistry, Analytical

CO2 Sensing Characteristics of a La2O3/SnO2 Stacked Structure with Micromachined Hotplates

Tatsuya Iwata et al.

SENSORS (2017)

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Article Chemistry, Analytical

Multi-resonator photoacoustic spectroscopy

Kun Liu et al.

SENSORS AND ACTUATORS B-CHEMICAL (2017)

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Article Chemistry, Analytical

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