ArticleMaterials (Basel, Switzerland)2022
Enhancement of Room Temperature Ethanol Sensing by Optimizing the Density of Vertically Aligned Carbon Nanofibers Decorated with Gold Nanoparticles.
Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Advanced Carbon Nanomaterials for Electrochemical Sensing in the Determination of Trace V(V) Concentrations.Materials (Basel, Switzerland) · 2026Article
- Gold-decorated vertically aligned carbon nanofibers for high-performance room-temperature ethanol sensing.Mikrochimica acta · 2025Article
- Holey Carbon Nanohorns-Based Nanohybrid as Sensing Layer for Resistive Ethanol Sensor.Sensors (Basel, Switzerland) · 2025Article
- Sensitivity Analysis of an Optical Interferometric Surface Stress Ethanol Gas Sensor with a Freestanding Nanosheet.Sensors (Basel, Switzerland) · 2024Article
- Development of High-Performance Ethanol Gas Sensors Based on LaSensors (Basel, Switzerland) · 2024Article
- Advancements in nanomaterials for nanosensors: a comprehensive review.Nanoscale advances · 2024Review
- A Highly Sensitive Surface-Modified Porous Carbon Nanotube-Based Sensor for Ammonia Gas Detection.ACS omega · 2024Article
- Investigation of Laser-Induced Graphene (LIG) on a Flexible Substrate and Its Functionalization by Metal Doping for Gas-Sensing Applications.International journal of molecular sciences · 2024Article
- Anticancer Activity of Au/CNT Nanocomposite Fabricated by Nanosecond Pulsed Laser Ablation Method on Colon and Cervical Cancer.Micromachines · 2023Article
- Gas Selectivity Enhancement Using Serpentine Microchannel Shaped with Optimum Dimensions in Microfluidic-Based Gas Sensor.Micromachines · 2022Article
- Low-Temperature Ethanol Sensor via Defective Multiwalled Carbon Nanotubes.Materials (Basel, Switzerland) · 2022Article
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5 authors.
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Abstract
An ethanol gas sensor based on carbon nanofibers (CNFs) with various densities and nanoparticle functionalization was investigated. The CNFs were grown by means of a Plasma-Enhanced Chemical Vapor Deposition (PECVD), and the synthesis conditions were varied to obtain different number of fibers per unit area. The devices with a larger density of CNFs lead to higher responses, with a maximal responsivity of 10%. Furthermore, to simultaneously improve the sensitivity and selectivity, CNFs were decorated with gold nanoparticles by an impaction printing method. After metal decoration, the devices showed a response 300% higher than pristine devices toward 5 ppm of ethanol gas. The morphology and structure of the different samples deposited on a silicon substrate were characterized by TEM, EDX, SEM, and Raman spectroscopy, and the results confirmed the presence of CNF decorated with gold. The influence of operating temperature (OT) and humidity were studied on the sensing devices. In the case of decorated samples with a high density of nanofibers, a less-strong cross-sensitivity was observed toward a variation in humidity and temperature.
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