Alumina-Template Synthesis of Fluorescent RuO2 Nanotubes Derived from Ru3(CO)12 Clusters


  • E. Ye and H. Tan contributed equally to this work. H. Tan thanks the National University of Singapore for a research studentship. We thank S. Wang for the electron diffraction data analysis, B. Liu for the TEM imaging, and F. Gu for the SEM imaging work. This work was supported under the Agency for Science, Technology and Research (ASTAR) grant no. 143-000-198-305. Supporting Information is available online at Wiley InterScience or from the author.


original image

RuO2 nanotubes with diameters of 15–25 nm and up to 3 μm in length have been prepared by the thermal decomposition of Ru3(CO)12 inside alumina templates. The RuO2 (110) planes grow along the long axis of the straight crystalline nanotubes. The growth of these fluorescent nanotubes appears to have proceeded via mononuclear ruthenium carbonyl intermediates (see Figure).