Results 11 to 20 of about 450,959 (328)

Hydrothermal Synthesis of Hierarchical SnO2 Nanostructures for Improved Formaldehyde Gas Sensing

open access: yesNanomaterials, 2022
The indoor environment of buildings affects people’s daily life. Indoor harmful gases include volatile organic gas and greenhouse gas. Therefore, the detection of harmful gas by gas sensors is a key method for developing green buildings.
Pengyu Ren   +3 more
doaj   +1 more source

Novel preparation of functional β-SiC fiber based In2O3 nanocomposite and controlling of influence factors for the chemical gas sensing

open access: yesScientific Reports, 2022
The gas sensing ability of a pure β-SiC fiber is limited due to its low-sensitivity and selectivity with poor recovery time during a gas sensing test.
Zambaga Otgonbayar   +5 more
doaj   +1 more source

Optical Fiber‐Based Gas Sensing for Early Warning of Thermal Runaway in Lithium‐Ion Batteries

open access: yesAdvanced Sensor Research, 2023
Owing to constantly increasing energy density and power density, thermal runaway is becoming the most dangerous event in lithium‐ion batteries, while gas sensing can provide the earliest and clearest signals for forewarning the advent of thermal runaway.
Xuanren Chen, Lin Gan, Xin Guo
doaj   +1 more source

Effect of Ag Addition on the Gas-Sensing Properties of Nanostructured Resistive-Based Gas Sensors: An Overview

open access: yesSensors, 2021
Nanostructured semiconducting metal oxides (SMOs) are among the most popular sensing materials for integration into resistive-type gas sensors owing to their low costs and high sensing performances.
Sachin Navale   +4 more
doaj   +1 more source

Selective gas detection using Mn3O4/WO3 composites as a sensing layer [PDF]

open access: yes, 2019
Pure WO3 sensors and Mn3O4/WO3 composite sensors with different Mn concentrations (1 atom %, 3 atom % and 5 atom %) were successfully prepared through a facile hydrothermal method.
Chen, Lin   +8 more
core   +1 more source

Selective Sensing of Gas Mixture via a Temperature Modulation Approach: New Strategy for Potentiometric Gas Sensor Obtaining Satisfactory Discriminating Features

open access: yesSensors, 2017
A new strategy to discriminate four types of hazardous gases is proposed in this research. Through modulating the operating temperature and the processing response signal with a pattern recognition algorithm, a gas sensor consisting of a single sensing ...
Fu-an Li   +4 more
doaj   +1 more source

Recent Advances of Graphene Quantum Dots in Chemiresistive Gas Sensors

open access: yesNanomaterials, 2023
Graphene quantum dots (GQDs), as 0D graphene nanomaterials, have aroused increasing interest in chemiresistive gas sensors owing to their remarkable physicochemical properties and tunable electronic structures.
Xiaofeng Zhu   +7 more
doaj   +1 more source

Study of quasi-distributed optical fiber methane sensors based on laser absorption spectrometry [PDF]

open access: yes, 2019
The coal industry plays an important role in the economic development of China. With the increase of coal mining year by year, coal mine accidents caused by gas explosion also occur frequently, which poses a serious threat to the life safety of ...
Chang, J.   +7 more
core   +1 more source

Potentiometric NO2 Sensors Based on Thin Stabilized Zirconia Electrolytes and Asymmetric (La0.8Sr0.2)0.95MnO3 Electrodes

open access: yesSensors, 2015
Here we report on a new architecture for potentiometric NO2 sensors that features thin 8YSZ electrolytes sandwiched between two porous (La0.8Sr0.2)0.95MnO3 (LSM95) layers—one thick and the other thin—fabricated by the tape casting and co-firing ...
Jie Zou   +4 more
doaj   +1 more source

Nanoengineering Approaches Toward Artificial Nose

open access: yesFrontiers in Chemistry, 2021
Significant scientific efforts have been made to mimic and potentially supersede the mammalian nose using artificial noses based on arrays of individual cross-sensitive gas sensors over the past couple decades. To this end, thousands of research articles
Sanggon Kim   +8 more
doaj   +1 more source

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