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Article
Automation & Control Systems
Fanli Meng et al.
Summary: This article reports the synthesis of porous and hollow MoO3 microspheres for the detection of ammonia gas. The study found that p-h-MoO3 exhibits ultrahigh responsiveness to ammonia with significant selectivity. The composition and morphology of p-h-MoO3 were characterized using microscopic and spectroscopic techniques, and the sensing mechanism was investigated using X-ray photoelectron spectroscopy and diffuse reflectance Fourier transform infrared spectroscopy.
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
(2022)
Article
Chemistry, Analytical
Fanli Meng et al.
Summary: This paper successfully detected four alcohol homologue gases using a ZnO gas sensor with dynamic temperature modulation method, achieving a recognition accuracy of 97.62% after optimization with decision tree classification algorithm.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Analytical
Dongzhi Zhang et al.
Summary: This paper presents a QCM ammonia gas sensor based on PSS-doped ZIF-8-derived porous carbon and polyaniline decorated nanocomposite (PSS/ZIF-C/PANI). The sensor exhibits high sensitivity, excellent linearity, and strong response/recovery capability towards ammonia. Impedance analysis confirms the electrical parameters and quality factor of the QCM, and suggests a potential ammonia adsorption mechanism related to the synergistic effect of the composite nanomaterials.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Multidisciplinary
Yue Jiang et al.
Summary: In this study, antimonene nanosheets were introduced into the carbon nanotube framework for polyaniline electrodeposition, which resulted in the continuous and uniform growth of polyaniline. The resulting antimonene/carbon nanotube/polyaniline electrode exhibited high specific capacitance and excellent cycling stability in flexible supercapacitors. Additionally, the use of self-healable polyurethane enabled the practical self-healing function of the supercapacitor device.
Article
Chemistry, Multidisciplinary
Chuang Wang et al.
Summary: Gas sensors based on compound conductive polymers and metal oxides with p-n heterojunctions have attracted a lot of attention. This study introduces a sustainable and highly sensitive gas sensor using a self-formed grapefruit peel aerogel loaded with PANI-ZnO nanohybrids. The sensor demonstrates excellent gas sensing behaviors and high structural stability, and it is capable of detecting formaldehyde at low concentrations and restoring its sensing performance quickly with sunlight exposure.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Lesego Malepe et al.
Summary: Nanocomposite sensors were prepared using carbon soot, nickel oxide nanoparticles, and cellulose acetate to detect mesitylene vapor at room temperature. Among all the sensors prepared and tested, the ternary nanocomposites (NiO-CNPs-CA) were found to be the most sensitive for the detection of mesitylene.
Article
Chemistry, Multidisciplinary
Peng Qin et al.
Summary: In this study, an array of sensors coated with metal-organic frameworks (MOFs) is used to detect and identify ternary xylene isomer mixtures. Molecular simulations provide insights into the sensing mechanism, and guidelines for detecting complex mixtures of volatile molecules are provided.
Article
Environmental Sciences
Ayesha Rehman et al.
Summary: Membrane-based gas separation has the potential to reduce environmentally hazardous carbon dioxide (CO2) gas. This study focuses on synthesizing mixed matrix membranes (MMMs) with improved CO2 adsorption performance and stability. The incorporation of Cu-MOF-GO composite filler into the polymer matrix enhances the properties of the membranes. Increasing the filler concentration affects the CO2 adsorption. The successful incorporation of MOF within the MMMs was confirmed through various analytical techniques.
Article
Nanoscience & Nanotechnology
Guodong Wu et al.
Summary: The flexible resistive-type polyaniline-based gas sensor fabricated by dip-coating graphene and in situ polymerization of aniline demonstrates fast response and recovery times, ppb-level detection limit, and excellent sensing capability, suitable for breath analysis and kidney disease diagnosis.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Engineering, Environmental
Silvia Chowdhury et al.
Summary: This work presents a template- and etching-free approach to fabricate hollow bimetallic nickel-cobalt benzenetricarboxylic acid hexagonal nanoplates. These nanoplates exhibit high sensitivity and stability in the sensing of ammonia, and have faster adsorption rates compared to other nano materials. The hollow two-dimensional structure and bimetallic composition present in these nanoplates contribute to their excellent sensing performance.
CHEMICAL ENGINEERING JOURNAL
(2022)
Review
Materials Science, Multidisciplinary
Shixiong Kang et al.
Summary: Electrospun nanofibers have a wide range of applications in biosensing and environmental monitoring, showing great potential in sensing field. Moreover, the use of different materials to prepare nanofibers can demonstrate strong capabilities in the field of sensors. At the same time, this new type of material shows many advantages in the field of wearable electronic devices and helps to drive the development of the industry.
ADVANCED FIBER MATERIALS
(2022)
Article
Chemistry, Analytical
Pi-Guey Su et al.
Summary: Novel QCM NH3 gas sensors made of reduced graphene oxide-SnO2 composite films were fabricated using a one-pot technique, and the effects of added graphene oxide sheets on the gas sensing properties were studied.
ANALYTICAL METHODS
(2022)
Article
Environmental Sciences
Ayesha Rehman et al.
Summary: Membrane-based gas separation has the potential to reduce environmentally hazardous CO2 gas. This study aimed to synthesize mixed matrix membranes (MMMs) with improved CO2 adsorption performance and stability. The effect of increasing filler concentration on CO2 adsorption was investigated. The results showed that increasing the filler concentration improved the adsorption performance, but beyond a certain concentration, aggregation occurred. The successful incorporation of MOF within the MMMs was confirmed through spectroscopy analysis.
Article
Chemistry, Analytical
Hanyang Ji et al.
Summary: In this study, a solution to the problem of detecting drug-producing chemicals through dynamic measurement using semiconductor gas sensors was proposed. By utilizing techniques such as principal component analysis (PCA), k-Nearest Neighbor (KNN), and polynomial regression, the sensor's performance in recognizing type and concentration information was improved. The feasibility of the method was verified by using the inverse transformation of PCA, resulting in successful qualitative and quantitative recognition of various drug-producing chemicals.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
Qi Hu et al.
Summary: The h-NiO-PANI sensor developed in this study, based on the hollow NiO sphere and polyaniline composite material, shows efficient and rapid detection of NH3 gas at room temperature. It exhibits excellent NH3 response and anti-interference performance, making it a promising candidate for daily life applications.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
Zhanjia Kang et al.
Summary: This paper presents a quartz crystal microbalance sensor based on SnO2 NFs/PDA composite with high sensitivity and selectivity to formaldehyde gas. The sensor exhibited excellent sensing characteristics over a wide range of formaldehyde concentration, including high sensitivity, short response/recovery times, and high linearity. The adsorption mechanism of formaldehyde gas was attributed to hydrogen bonding and aldehyde ammonia Schiff base interactions.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Nanoscience & Nanotechnology
Jun-Young Jeon et al.
Summary: The functionalization of zinc oxide nanoflowers with palladium nanoparticles using microwave assistance leads to high-performance hydrogen gas sensors operating at room temperature. The sensors show a high response rate and low detection limit, offering sensitive and selective detection of H2 gas molecules in the presence of other gases.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Analytical
Wenbo Qin et al.
Summary: LaCoO3 nanoparticles were synthesized by sol-gel method and modified on the surface of ZnO to prepare LCO/ZnO nanometer flake materials with improved gas-sensitive response. The LCO/ZnO sensor showed significantly enhanced response to ethanol gas, shorter response time and recovery time at an optimal operating temperature of 320 degrees C. Analysis of the sensitization mechanism revealed that the improved sensing performance was attributed to the increase of surface adsorbed oxygen content and the strong catalytic oxidation activity of LCO.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Chemistry, Analytical
Si Wang et al.
Summary: A novel NH3 sensor based on 2D niobium carbide MXene-supported polyaniline nanocomposite was successfully developed for ultrasensitive NH3 detection under humidity atmosphere. The sensor exhibited superior selectivity, high sensitivity, low detection limit, and good long-term reliability towards NH3 with specific RH levels. The improved sensing properties were attributed to the interaction between PANI and Nb2CTx, which effectively reduced the influence of humidity on sensor performance.
SENSORS AND ACTUATORS B-CHEMICAL
(2021)
Article
Engineering, Electrical & Electronic
Fanli Meng et al.
Summary: This article presents a one-step hydrothermal method for the preparation of rGO/Co3O4 nanocomposites and their performance testing. The results show that 1rGO/Co3O4 (335 wt%) has the best sensitivity to xylene gas, with an optimal working temperature of 175 degrees Celsius, and can detect xylene gas with a minimum concentration of 1 pph.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2021)
Article
Chemistry, Physical
Zhaoxia Hou et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Engineering, Electrical & Electronic
Ali Akbar et al.
SENSORS AND ACTUATORS A-PHYSICAL
(2020)
Article
Chemistry, Analytical
Xingwei Wang et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2020)
Article
Nanoscience & Nanotechnology
Roto Roto et al.
ACS APPLIED NANO MATERIALS
(2020)
Article
Chemistry, Analytical
Siqi Li et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2019)
Article
Polymer Science
Boualem Mettai et al.
JOURNAL OF POLYMER RESEARCH
(2018)
Article
Chemistry, Analytical
Dongzhi Zhang et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2018)
Article
Chemistry, Multidisciplinary
Ga Hyun Lim et al.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2017)
Article
Chemistry, Physical
Susanta Bera et al.
APPLIED SURFACE SCIENCE
(2016)
Article
Chemistry, Analytical
AR Holloway et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2004)
Article
Chemistry, Analytical
B Ding et al.
SENSORS AND ACTUATORS B-CHEMICAL
(2004)
