Improved Performances of Room Temperature Gas Sensor by Indium Doping of P3HT/ZnO Hybrid Nanocomposites
Source abstract
Abstract
Hybrid films of poly(3-hexylthiophene) (P3HT)/indium-doped zinc oxide (IZO) and undoped ZnO were developed in this work for the detection of volatile organic compounds at room temperature. Indium-doped and undoped ZnO nanoparticles were synthesized using the sol–gel method and mixed with P3HT before deposition using the spin-coating technique on interdigitated electrodes to form the hybrid sensing layers. The obtained films were characterized by X-ray diffraction, scanning electron microscopy, and atomic force microscopy, confirming the presence of P3HT/ZnO hybrid phase and well-dispersed particle structures with nanometric size in the composite thin films. The sensing properties of the sensors were studied for the reduction of gas (ethanol) at room temperature. In particular, the composite P3HT/IZO 1% exhibits a maximum response of 104% and a fast response time of about 58 s to 3000 ppm of ethanol concentration at room temperature.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Gas Sensing Nanomaterials and Sensors · Conducting polymers and applications · Analytical Chemistry and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE-LR05ES14), Faculty of Sciences in Gabes
Gabes University
Omnics Research Group, Department of Mathematics and Physics, CNR-Institute of Nanotechnology, INFN Sezione di Lecce, Via per Monteroni
University of Salento
Faculty of Sciences and Techniques of Sidi-Bouzid, Kairouan University, Agricultural University Campus - BP - No. 380, Sidi-Bouzid 9100, Tunisia
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