Synthesis, Characterization and Catalytic Application of Ru/Sn- and Cu/Zn-Based Nanocomposites Dissertation zur Erlangung der Doktorwürde vorgelegt von Yanzhi Guo aus Shandong, China Institut für Anorganische Chemie der Universität Duisburg-Essen Promotionsausschuss Vorsitzender: Prof. Dr. E. Hasselbrink 1. Gutachter: Prof. Dr. M. Epple 2. Gutachter: Prof. Dr. M. Ulbricht Tag der mündlichen Prüfung: 10. 10. 2006 Essen 2006 1 Synthesis, Characterization and Catalytic Application of Ru/Sn- and Cu/Zn-Based Nanocomposites Dissertation submitted for the Degree of Doctor of Natural Sciences by Yanzhi Guo from Shandong, China Institute of Inorganic Chemistry University of Duisburg-Essen Essen 2006 2 Index Index 1 Introduction ............................................................................................................................. 1 2 Theoretical background........................................................................................................... 4 2.1 Cyanide coordination compounds.................................................................................... 4 2.1.1 Cyanide complex 4 2.1.2 Application of metal cyanide complexes in catalysis ............................................... 5 2.2 Cu-based catalysts for methanol synthesis....................................................................... 8 2.2.1 Reaction mechanism for me ....................