New synthetic routes to nano-composites with ceramic particles, using lanthanide compounds

作者：Veith Michael^*

来源：Journal of Sol-Gel Science and Technology, 2008, 46(3): 291-298.

DOI：10.1007/s10971-008-1692-5

• lanthanide oxides
• Nd : YAG
• sol-gel versus CVD
• luminescence of lanthanide compounds
• lanthanide thiophenylcarbinolates

Gas-phase as well as sol-gel techniques can be used to access to materials which contain two sorts of solid phases, of which one is mostly acting as the matrix. The choice of the molecular precursor in both processing techniques is crucial to obtain the desired composite product. Single source precursors have advantages over multi source precursors, as they allow a simplified technique and often also lead to purer materials. Moreover, the same precursor may behave similarly in the gas phase or wet process or may behave very differently. In this review composite compounds are discussed with Al(2)O(3) mostly acting as a matrix and with Ln(2)O(3) (Ln = lanthanide element) acting as a second phase. Two processes for Nd:YAG materials are described in more detail as well as some new alcoholates of lanthanides derived from carbinol substituted by thiophenes.

• 出版日期2008-6