纳米级ZnO/MgO固体的合成及其对CO的氧化活性

催化学报 ›› 2008, Vol. 29 ›› Issue (11): 1079-1083.

纳米级ZnO/MgO固体的合成及其对CO的氧化活性

Olga Z. DIDENKO, Gulnara R. KOSMAMBETOVA, Peter E. STRIZHAK*

L.V.Pisarzhevsky Institute of Physical Chemistry of the National Academy of Sciences of Ukraine, 31 Prospekt Nauky, Kyiv 03028, Ukraine

收稿日期:2008-11-25 出版日期:2008-11-25 发布日期:2012-08-17

Synthesis of Nanosized ZnO/MgO Solid and Its Catalytic Activity for CO Oxidation

Olga Z. DIDENKO, Gulnara R. KOSMAMBETOVA, Peter E. STRIZHAK*

L.V.Pisarzhevsky Institute of Physical Chemistry of the National Academy of Sciences of Ukraine, 31 Prospekt Nauky, Kyiv 03028, Ukraine

Received:2008-11-25 Online:2008-11-25 Published:2012-08-17

摘要/Abstract

摘要： The ZnO/MgO solid samples containing the ZnO nanoparticles of controllable size were prepared using colloidal technique. The catalytic performance of the ZnO/MgO samples for the CO oxidation was measured. It was revealed that the rate of the CO oxidation reaction on the ZnO nanoparticles with variable average radius (2.01-2.29 nm) shows nonmonotonic dependence caused by the quantum-confinement effect.

关键词: zinc oxide, magnesia, colloidal technique, nanoparticle size, carbon monoxide, oxidation, quantum-confinement effect

Abstract: The effect of ZnO nanoparticle size on their catalytic activity in CO ox idation was studied. Nonmonotonic correlation between the CO oxidation rate and t he size of nanoparticles in a very narrow range of 2.0-2.3 n m was revealed.

Key words: zinc oxide, magnesia, colloidal technique, nanoparticle size, carbon monoxide, oxidation, quantum-confinement effect

Olga Z. DIDENKO;Gulnara R. KOSMAMBETOVA;Peter E. STRIZHAK*. 纳米级ZnO/MgO固体的合成及其对CO的氧化活性[J]. 催化学报, 2008, 29(11): 1079-1083.

Olga Z. DIDENKO;Gulnara R. KOSMAMBETOVA;Peter E. STRIZHAK*. Synthesis of Nanosized ZnO/MgO Solid and Its Catalytic Activity for CO Oxidation[J]. Chinese Journal of Catalysis, 2008, 29(11): 1079-1083.

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