期刊
INORGANIC CHEMISTRY
卷 49, 期 13, 页码 5992-6004出版社
AMER CHEMICAL SOC
DOI: 10.1021/ic100547j
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资金
- University of Bologna
- MIUR [PRIN2008]
A comprehensive study discussing the different parameters that influence the self-assembly of [Pt-3n(CO)(6n)](2-) (n = 4-8) clusters with miscellaneous mono- and dications into O-D, 1-D, 2-D, and 3-D materials is herein reported. As an unexpected bonus, the use of Ru-II dications allowed the first structural characterization of the previously unknown [Pt-21(CO)(42)](2-) dianion. O-D structures, which contain isolated ions, are electrical insulators in solid form. Conversely, as soon as infinite chains of clusters are formed, the electrical resistivity, measured in pressed pellets, decreases to 10(5)-10(6), 10(4), and 10(2) Omega cm for discontinuous, semicontinuous, and continuous chains, respectively. Therefore, the resemblance of these materials to molecular metal wires is not only morphological but also functional. Preliminary results of possible self-assembly phenomena in a solution of [Pt-15(CO)(30)](2-) and [Pt-18(CO)(36)](2-) according to dynamic light scattering experiments are also reported.
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