Modified MnSiO4 and MnAl2O5: synthesis, characterization, and application as high-performance gas sensors
Published in Chemistry, Earth & Environment, and Materials
Gas detection plays a vital role in ensuring safety across various sectors. Our research demonstrates that modified manganese-based oxides can serve as effective gas sensors. This study, focusing on the synthesis and characterization of MnSiO₄, MnSiO₄:Al₂O₅, MnAl₂O₅, and MnAl₂O₅:SiO₂, reveals their potential in detecting hazardous gases. The materials showed enhanced sensitivity to NH₃ and H₂S, attributed to improved crystallinity and optimized surface defects achieved through annealing. Notably, MnSiO₄:Al₂O₃ and MnAl₂O₅:SiO₂ exhibited superior reactivity due to their tailored electronic structures. However, more work is still needed to fully understand the long-term stability and scalability of these sensors, which could significantly impact real-time air-pollutant monitoring. Read the full article here.
Professor, Research Supervisor, 21 years teaching experience, 30 publications, 5Chapters in edited books, editoe of YCMOU book, 3 utility patents, reserach work in Material science
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This paper reports synthesis and gas-sensing application of MnSiO4, MnSiO4:Al2O5, MnAl2O5, and MnAl2O5:SiO2 fabricated as thick-film sensors for NH3 and H2S shown for materials MnSiO4:Al2O3 and MnAl2O5:SiO2 which can be used as a low-cost, high-performance gas sensor for real-time air-pollutant monitoring.