纳米囊
邻苯三酚
化学
钒
金属
超分子化学
氧化态
价(化学)
自组装
氧化还原
胶囊
高分子化学
无机化学
纳米技术
光化学
结晶学
有机化学
晶体结构
纳米颗粒
材料科学
植物
生物
作者
Xiangquan Hu,Wen‐Juan Tian,Yuan Jiao,Steven P. Kelley,Ping Wang,Scott J. Dalgarno,David A. Atwood,Sisi Feng,Jerry L. Atwood
摘要
Here we report the controlled self-assembly of vanadium-seamed metal–organic nanocapsules with specific metal oxidation state distributions. Three supramolecular assemblies composed of the same numbers of components including 24 metal centers and six pyrogallol[4]arene ligands were constructed: a V III 24 L 6 capsule, a mixed-valence V III 18 V IV 6 L 6 capsule, and a V IV 24 L 6 capsule. Crystallographic studies of the new capsules reveal their remarkable structural complexity and geometries, while marked differences in metal oxidation state distribution greatly affect the photoelectric conversion properties of these assemblies. This work therefore represents a significant step forward in the construction of intricate metal–organic architectures with tailored structure and functionality.
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