Dinitrogen: a selective probe for tri-coordinate Al "defect" sites on alumina |
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| Authors: | Wischert Raphael Copéret Christophe Delbecq Françoise Sautet Philippe |
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| Institution: | ETH Zürich, Department of Chemistry, Wolfgang-Pauli Strasse 10, CH-8093, Zürich, Switzerland. |
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| Abstract: | Dinitrogen selectively binds to tri-coordinate Al(III) sites of the (110) termination of γ- and δ-alumina, the "defects" responsible for the low temperature dissociation of methane. Similar observations on η-Al(2)O(3) and extra framework aluminium of microporous aluminosilicates also suggest the presence of Al(III) sites on these materials. |
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