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Imine-Stabilized Zinc Trimethylsilylchalcogenolates: Powerful Reagents for the Synthesis of II-II′-VI Nanocluster Materials


  • We gratefully acknowledge the Natural Sciences and Engineering Research Council (NSERC) Canada and the Government of Ontario's PREA program for financial support of this research. We thank Prof. P. D. Harvey (Université de Sherbrooke) for his assistance with the PL and PLE measurements. Dr. A. Eichhöfer (Institüt für Nanotechnologie, Karlsruhe (Germany)) is thanked for providing samples of [Cd10Se4(SePh)12(PnPr3)4] and [Cd10Te4(TePh)12(PnPr3)4]. The Canada Foundation for Innovation, NSERC, and The University of Western Ontario are also acknowledged for equipment funding. M.W.D. thanks the NSERC for a postgraduate scholarship. In the nomenclature of semiconductor materials science, Group II elements are those of Group 12 of the periodic table and Group VI those of Group 16, hence a Zn-Cd-Se containing compound would be an example of a II-II′-VI material.


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Zink macht einen Unterschied: Die neuen Komplexe [(3,5-Me2C5H3N)2Zn(ESiMe3)2] (1: E=Se, 2: E=Te, siehe Bild, Te rot, Zn blau, Si gelb, N grün) erwiesen sich als gute Reagentien für die Erzeugung von ternären MM′E-Materialien. Aus 2 wurde der ternäre ZnCdTe-Nanocluster [Zn2.6Cd7.4Te4(TePh)12(PnPr3)4] hergestellt. Seine optischen Eigenschaften sind gegenüber denen verwandter binärer CdTe-Clustermoleküle moduliert.

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