Recent Advances in Ammonia Gas Sensors Based on Carbon Nanomaterials.
TLDR
In this article, an extended analysis of ammonia gas sensors based on carbon nanomaterials is presented, which provides a detailed comparison of various types of active materials used for the detection of ammonia, e.g., carbon nanotubes, carbon nanofibers, graphene, graphene oxide and related materials.Abstract:
This review paper is devoted to an extended analysis of ammonia gas sensors based on carbon nanomaterials. It provides a detailed comparison of various types of active materials used for the detection of ammonia, e.g., carbon nanotubes, carbon nanofibers, graphene, graphene oxide, and related materials. Different parameters that can affect the performance of chemiresistive gas sensors are discussed. The paper also gives a comparison of the sensing characteristics (response, response time, recovery time, operating temperature) of gas sensors based on carbon nanomaterials. The results of our tests on ammonia gas sensors using various techniques are analyzed. The problems related to the recovery of sensors using various approaches are also considered. Finally, the impact of relative humidity on the sensing behavior of carbon nanomaterials of various different natures was estimated.read more
Citations
More filters
Journal ArticleDOI
Metal Oxide Gas Sensors For Detecting NO2 in Industrial Exhaust Gas: Recent Developments
TL;DR: In this paper , the hazards of NO2 and the major disadvantages of chemiresistive sensors based on metal oxides were discussed and different sensitive materials of chemical resistance sensors were discussed, including conductive polymers and carbon-based materials.
Journal ArticleDOI
Heterojunction-based photocatalytic nitrogen fixation: principles and current progress
TL;DR: In this paper, the fundamental principles of photocatalytic heterostructures, the reaction mechanism of the nitrogen reduction reaction, ammonia detection methods, and the current progress of heter-structured photocatalysis for nitrogen fixation are summarized.
Journal ArticleDOI
A review about the fluorination and oxyfluorination of carbon fibres
TL;DR: In this paper, the versatility of the C-F bonding and its influence on carbon fiber properties is investigated, and 114 papers are reviewed in order to both extract general trends on those characteristics and highlight applications as fillers in composites and sensitive materials in gas sensing.
Journal ArticleDOI
Highly effective and stable MWCNT/WO3 nanocatalyst for ammonia gas sensing, photodegradation of ciprofloxacin and peroxidase mimic activity.
TL;DR: In this paper , the authors discussed the ammonia (NH3) sensing characteristics, photocatalytic degradation of emerging pollutants, and peroxidase mimic activity of multifunctional multi-walled carbon nanotube-tungsten oxide nanocomposite (MWCNT/WO3) prepared by conventional solvothermal method.
Journal ArticleDOI
Highly Sensitive Hybrid Nanostructures for Dimethyl Methyl Phosphonate Detection
TL;DR: In this article, a comparison between a surface acoustic wave and quartz crystal microbalance sensor exhibited more than 100-times higher sensitivity of SAW sensor than QCM sensor for detecting DMMP simulant for chemical warfare agents.
References
More filters
Journal ArticleDOI
Graphene based materials: Past, present and future
TL;DR: Graphene and its derivatives are being studied in nearly every field of science and engineering as mentioned in this paper, and recent progress has shown that the graphene-based materials can have a profound impact on electronic and optoelectronic devices, chemical sensors, nanocomposites and energy storage.
Journal ArticleDOI
Practical chemical sensors from chemically derived graphene
TL;DR: The development of useful chemical sensors from chemically converted graphene dispersions using spin coating to create single-layer films on interdigitated electrode arrays with consistent charge transfer mechanism between the analyte and graphene with a limited role of the electrical contacts is reported.
Journal ArticleDOI
Improving gas sensing properties of graphene by introducing dopants and defects: a first-principles study.
TL;DR: This work reveals that the sensitivity of graphene-based chemical gas sensors could be drastically improved by introducing the appropriate dopant or defect.
Journal ArticleDOI
Functionalized Carbon Nanotubes for Molecular Hydrogen Sensors
Journal ArticleDOI
Carbon nanotube gas and vapor sensors.
TL;DR: The development of carbon nanotube based sensors is still in its infancy, but continued progress may lead to their integration into commercially viable sensors of unrivalled sensitivity and vanishingly small dimensions.