| 摘要 |
<p>A sol comprising metal oxide nanoparticles and stabiliser ions dispersed in an aqueous liquid is disclosed. The nanoparticles comprise a metal selected from the group consisting of platinum, palladium, rhodium, iridium, ruthenium and osmium and the molar ratio of metal: stabiliser ions is at least 0.7. Methods of preparing supported catalyst materials wherein the sots are contacted with support materials are also disclosed. ® KIPO & WIPO 2007</p> |
