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April 18, 2026

Study of Gasochromic Pt-decorated WO

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Authors

NNishaMNMegha NarayanSahyadri HospitalPBPalash Kumar Basu

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Overview

This research demonstrates enhanced hydrogen detection in gasochromic sensors using nobel metal-doped tungsten oxide films, suggesting safer alternatives to traditional methods.

Key Points

  • The study aims to enhance hydrogen gas detection using gasochromic sensors by employing platinum-doped tungsten oxide thin films.
  • Synthesize noble metal-doped WO3 thin films via sol-gel route and spin coating.
  • Measure UV-VIS-NIR transmittance spectra at room temperature while exposing samples to hydrogen and synthetic air.
  • Evaluate the effects of doping concentration on sensing performance.
  • Gasochromic sensing improves with a doping concentration of 2wt% platinum.
  • Changes in transmittance are reversible when exposed to and purged from hydrogen.
  • Fine dispersal of Pt nanoparticles on WO3 enhances adsorption and hydrogenation of hydrogen.

Cite This Study

Nisha et al. (2026) studied this question.

synapsesocial.com/papers/69e320e740886becb6540049https://doi.org/10.1051/e3sconf/202670503003/pdf
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