Department of Chemistry, Columbia University, New York, NY 10027, USA.
Science. 2013 Jul 12;341(6142):157-60. doi: 10.1126/science.1236259. Epub 2013 Jun 6.
We describe a solid-state material formed from binary assembly of atomically precise molecular clusters. [Co6Se8(PEt3)6][C60]2 and [Cr6Te8(PEt3)6][C60]2 assembled into a superatomic relative of the cadmium iodide (CdI2) structure type. These solid-state materials showed activated electronic transport with activation energies of 100 to 150 millielectron volts. The more reducing cluster Ni9Te6(PEt3)8 transferred more charge to the fullerene and formed a rock-salt-related structure. In this material, the constituent clusters are able to interact electronically to produce a magnetically ordered phase at low temperature, akin to atoms in a solid-state compound.
我们描述了一种由原子精确的分子簇二元组装形成的固态材料。[Co6Se8(PEt3)6][C60]2 和 [Cr6Te8(PEt3)6][C60]2 组装成了碘化镉 (CdI2) 结构类型的超原子类似物。这些固态材料表现出了具有 100 到 150 毫电子伏特的激活能的电子输运。更具还原能力的簇 Ni9Te6(PEt3)8 将更多的电荷转移给富勒烯，并形成了类似岩盐的结构。在这种材料中，组成的簇能够进行电子相互作用，在低温下产生有序的磁性相，类似于固态化合物中的原子。
