Effect of doping copper on K-OMS-2 over soot oxidation activity

R. Nithya, Harshini Dasari, S. Nethaji, S. Sriram, A. L. Vikram, M. S. Murari

Research output: Contribution to journalArticlepeer-review

Abstract

The hydrothermal approach was used to develop a sequence of copper-doped KOMS2, which was applied for soot oxidation. XRD pattern showed the tetragonal phase of KOMS2 and copper-doped KOMS2.SEM analysis showed all samples showed rod-like structures. Soot TPR results revealed the copper doped KOMS2 had bulk oxygen radicals along with surface adsorbed and lattice oxygen radicals. Compared to copper-doped KOMS2 samples, KOMS2 possessed the most surface-adsorbed oxygen radicals. Using the TGA instrument, the performance of KOMS2 and copper-doped samples for soot oxidation activity was studied. KOMS2 exhibited the best soot oxidation activity with T50% of 395 °C.

Original languageEnglish
JournalMaterials Today: Proceedings
DOIs
Publication statusAccepted/In press - 2023

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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