This review focuses on the chemical methods used to prepare supported bimetallic heterogeneous catalysts, i.e., bimetallic nanoparticles deposited on a support. The review is limited to the preparation of gold-based bimetallic catalysts and moreover to bimetallic nanoparticles supported on powder inorganic supports, i.e., on the surface or in the porosity, and not on model supports such as sing...

Title of Document: SYNTHESIS AND CHARACTERIZATION OF BIMETALLIC ZINTL CLUSTERS AND THEIR USE IN THE FABRICATION OF INTERMETALIC NANOPARTICLES Domonique O. Downing Doctor of Philosophy, 2012 Directed By: Professor Bryan W. Eichhorn Department of Chemistry and Biochemistry In this thesis, the synthesis, characterization and applications of bimetallic Zintl clusters are explored. Zintl ions are po...

Bimetallic dendrimer-encapsulated nanoparticles (DENs) are important materials, because they have demonstrated improvement in performance compared to the monometallic DENs in many systems when they are used as catalysts. This tutorial review focuses on the recent research advances in bimetallic DENs with respect to their synthesis, characterization, and applications as catalysts. Bimetallic DEN...

Two hybrid assemblies (3 and 4) with two kind of nanoscaled cluster units, the spherical [Co(24)(TC4A)(6)(MO(4))(8)Cl(6)](2+) cation (1 and 2) and Keggin-type [PM(12)O(40)](3-) anion (M = Mo (1/3), W (2/4)), were solvothermally prepared and characterized, in which the spherical units are constructed by six Co(4)-p-tert-butylthiacalix[4]arene (Co(4)-TC4A) SBUs linked by eight MO(4) tetrahedrons ...

The translating and rotating rod or disk of a conventional laser vaporization cluster source is replaced by a liquid metal target. The self-regenerating liquid surface prevents cavities from being bored into the sample by laser ablation. The laser beam strikes a near pristine surface with each pulse, resulting in signals with much better short and long term stabilities. While this approach cann...

Hollow Pd/Sn bimetallic nanocrystals were fabricated by a fast one-pot strategy in an oleylamine system. This method produced a fine single crystalline bimetallic hollow nanostructure. The process and influencing factors of the reaction are also discussed in this work. Bimetallic nanoparticles possessing special hollow structures with single-crystalline nature are expected to have particular el...