Abstract
Developing a sensor for detecting SF6 decomposed gasses is considered important for the insulation of electrical equipment. First-principles density functional theory computations are undertaken to examine the possible use of metal-doped one-dimensional (1D) nanomaterials in gas sensors, and to investigate their sensitivity, adsorption and electronic properties. Within this work, a platinum (Pt)-doped aluminum nitride nanotube (Pt-AlNNT) was used to investigate the adhesion of SF6 decomposed gasses, namely SO2, SOF2, SO2F2. Two possible sites were considered to investigate the stable structure of Pt-AlNNT. The binding energy of the structure with most stability was − 1.314 eV. Also, the sensitivity and adhesion energy of the above-mentioned gasses demonstrated that Pt-AlNNT had more suitable sensing and adhesion properties compared to other materials. The results can provide useful insights into investigating Pt-AlNNT as a suitable sensor for detecting SF6 decomposed gasses for the insulation of electrical equipment.
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