Transition metal-doped TiO 2 nanowire catalysts for the oxidative coupling of methane

Rika Tri Yunarti, Maro Lee, Yoon Jeong Hwang, Jae Wook Choi, Dong Jin Suh, Jinwon Lee, Il Won Kim, Jeong Myeong Ha

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

The catalytic oxidative coupling of methane (OCM) on transition metal-doped TiO 2 nanowire catalysts was performed and the effects of metal dopants were studied. With transition metal doping, the electric and optical properties of nanowires were adjusted, which seemed to improve the catalytic activity and selectivity of the OCM reaction. A Mn-doped TiO 2 nanowire catalyst exhibited the highest C 2 yield with the highest (ethylene)/(ethane) ratio because of its moderate oxidation activity, while a highly active Rh-doped TiO 2 nanowire catalyst converted methane into fully oxidized CO and CO 2 . The electric conductivity assessed by UV-vis absorption represented the oxidation activity of the nanowire catalysts.

Original languageEnglish
Pages (from-to)54-58
Number of pages5
JournalCatalysis Communications
Volume50
DOIs
Publication statusPublished - 5 May 2014

Keywords

  • Ethylene
  • Oxidative coupling of methane
  • Transition metal doping

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