Abstract
A detailed characterization study is reported of ETS-10 subjected to ammonium ion exchange and subsequent sodium ion back exchange. It is shown that although such ion exchange leaves the crystallinity of ETS-10 measured by X-ray powder diffraction unchanged, other techniques reveal that the structure becomes locally damaged. In particular, there is partial dissolution of silica from the outer regions of ETS-10 crystallites under low pH conditions, exposing titania-rich surface sites and substantially modifying the photoreactivity of the material.
Original language | English |
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Pages (from-to) | 928-933 |
Number of pages | 6 |
Journal | Chemistry of Materials |
Volume | 18 |
Issue number | 4 |
DOIs | |
Publication status | Published - 21 Feb 2006 |