ArticleSensors (Basel, Switzerland)2018
Gas Sensing Properties of p-Co₃O₄/n-TiO₂ Nanotube Heterostructures.
Article in Sensors (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Recent developments and challenges in resistance-based hydrogen gas sensors based on metal oxide semiconductors.Analytical and bioanalytical chemistry · 2024Review
- Recent Advancements in TiONanomaterials (Basel, Switzerland) · 2023Review
- The Heterostructures of CuO and SnOSensors (Basel, Switzerland) · 2021Article
- Enhanced ethanol sensing properties of WOTurkish journal of chemistry · 2021Article
- 1D Titanium Dioxide: Achievements in Chemical Sensing.Materials (Basel, Switzerland) · 2020Review
- A New Calibration Circuit Design to Reduce Drift Effect of RuOSensors (Basel, Switzerland) · 2019Article
- The Analysis of the Urea Biosensors Using Different Sensing Matrices via Wireless Measurement System & Microfluidic Measurement System.Sensors (Basel, Switzerland) · 2019Article
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Authors and funding
5 authors.
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Abstract
In this paper, we fabricated p-Co₃O₄/n-TiO₂ heterostructures and investigated their gas sensing properties. The structural and morphological characterization were performed by scanning electron microscopy (SEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy analysis (XPS). The electrical properties of the heterostructure were studied within the temperature range from 293 K to 423 K. Changes in electrical properties and sensing behavior against reducing and oxidizing gases were attributed to the formation of p-n heterojunctions at the Co₃O₄ and TiO₂ interface. In comparison with sensing performed with pristine TiO₂ nanotubes (NTs), a significant improvement in H₂ sensing at 200 °C was observed, while the sensing response against NO₂ decreased for the heterostructures. Additionally, a response against toluene gas, in contrast to pristine TiO₂ NTs, appeared in the Co₃O₄/TiO₂ heterostructure samples.
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