P1GS.3 - A low Temperature H2 Gas Sensor Based on Pt-loaded Reduced Graphene Oxide/ZnO Nanocomposites
- 17th International Meeting on Chemical Sensors - IMCS 2018
2018-07-15 - 2018-07-19
- P-1 - Gas Sensors
- Q. Drmosh, Z. Yamani, A. Hendi, M. Gondal, R. Moqbel - King Fahd University of Petroleum and Minerals, Dhahran (Saudi Arabia)
- 525 - 526
Platinum (Pt) loaded reduced graphene oxide (rGO)/zinc oxide (ZnO) nanocomposite were fabricated by using a combination of sputtering system and pulsed laser ablation in liquid method. The structure and morphology of the rGO/ZnO/Pt hybrid nanocomposites were characterized by field emission X-ray diffraction (XRD), Raman spectroscopy, and scanning electron microscopy (FESEM). The gassensing properties of the fabricated sensors were investigated for hydrogen (H2) at different operating temperatures. The obtained rGO/ZnO/Pt ternary composite exhibits outstanding sensing response towards H2, almost 7.5 times and 3.0 times higher than that of pure ZnO and ZnO/rGO, respectively. These results show that the combination of noble metals nanoparticles with rGO and ZnO can impart new gas sensing functionality that is potentially useful for H2 sensing applications.