ArticleScientific reports2023
Design of high-sensitivity La-doped ZnO sensors for CO
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Synthesis of Cu-doped VRSC advances · 2025Article
- Optimization of methane sensing response of a ZnO-graphene composite using the response surface method: sensing area and annealing temperature.RSC advances · 2025Article
- Heterojunction interface-engineered SnO₂-CuO SAW sensor for room-temperature CO₂ detection with fast response and high selectivity.Microsystems & nanoengineering · 2025Article
- Recent Advances in Doping and Polymer Hybridization Strategies for Enhancing ZnO-Based Gas Sensors.Nanomaterials (Basel, Switzerland) · 2025Review
- Wearable Humidity Sensor Using CsBiosensors · 2025Article
- Fabrication of ZnO Thin Films Doped with Na at Different Percentages for Sensing COSensors (Basel, Switzerland) · 2025Article
- Characterization and enhanced carbon dioxide sensing performance of spin-coated Na- and Li-doped and Co-doped cobalt oxide thin films.RSC advances · 2024Article
- Facile synthesis of NiFeRSC advances · 2024Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
For the sake of people's health and the safety of the environment, more efforts should be directed towards the fabrication of gas sensors that can operate effectively at room temperature (RT). In this context, increased attention has been paid to developing gas sensors based on rare-earth (RE)-doped transparent conducting oxides (TCO). In this report, lanthanum-doped zinc oxide (La-doped ZnO) films were fabricated by sol-gel and spin-coating techniques. XRD analysis revealed the hexagonal structure of the ZnO films, with preferred growth along the (002) direction. The crystallite size was decreased from 33.21 to 26.41 nm with increasing La content to 4.0 at.%. The UV-vis-NIR indicating that the films are highly transparent (˃ 80%), La-doping increased the UV blocking ability of the films and narrowed the optical band gap (Eg) from 3.275 to 3.125 eV. Additionally, La-doping has influenced the refractive index of the samples. Gas sensing measurements were performed at ambient temperature (30 °C) and a relative humidity (RH) of 30%, employing different flow rates of carbon dioxide (CO
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Registered trials
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