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Journals / Turkish Journal of Chemistry / 1996 / Cilt: 20 - Sayı: 3

Oxidative coupling of methane on $LnBa_2Cu_3O_{7-x}$ superconductors

N. T. SHAMILOV, V. P. VISLOVSKII, E. A. MAMEDOV, S. M. ALIYEV, A. I. SULEIMANOV, E. G. ISMAILOV

Pages
249–252
DOI
—

Abstract

The superconducting oxides $LnBa_2Cu_3O_{7-x}$ (Ln=Y, Gd, Er, Yb, Lu) showed poor selectivity in the oxidative coupling of methane. The addition of 0.5 mol. %$Li_2O$ to these materials considerably enhanced the yield of $C_2$ hydrocarbons. This effect was related to both lower redox property and higher basicity of Li-doped catalysts as compared to those of undoped ones.