Citation: Bo Jiang, Li-Jun Chen, Ying Zhang, Hong-Wei Tan, Lin Xu, Hai-Bo Yang. Hierarchical self-assembly of triangular metallodendrimers into the ordered nanostructures[J]. Chinese Chemical Letters, ;2016, 27(4): 607-612. shu

Hierarchical self-assembly of triangular metallodendrimers into the ordered nanostructures

Bo Jiang ^a, ,
Li-Jun Chen ^a ,
Ying Zhang ^b ,
Hong-Wei Tan ^b ,
Lin Xu ^a ,
Hai-Bo Yang ^a

a Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China;
b Department of Chemistry, Beijing Normal University, Beijing 100050, China

Received Date: 1 February 2016
Revised Date: 4 March 2016

Fund Project: L. Xu acknowledges the financial support of the National Natural Science Foundation of China (No. 21302058). H.-B. Yang acknowledges the financial support of the Key Basic Research Project of Shanghai Science and Technology Commission (No. 13JC1402200).

We designed and constructed a new family of 60° dendritic dipyridyl donors, from which two novel triangular metallodendrimers were successfully prepared via coordination-driven self-assembly. Inspired by the existence of multiple intermolecular interactions (e.g., π-π stacking and CH-π interactions) imposed by the DMIP-functionalized poly(benzyl ether) dendrons, their hierarchical selfassembly behaviors were studied in various mixed solvents by using scanning electron microscopy (SEM). Interestingly, it was found that the morphologies of the obtainedmetallodendrimers were highly depended on the dendron generation. For example, the first-generation metallodendrimer was able to hierarchically self-assemble into the spherical nanostructures in various mixed solvents. However, the nanofibers were observed for the second-generation metallodendrimer under the similar conditions. Furthermore, the driven force for the formation of such ordered nanostructures was investigated by using ¹H NMR and fluorescence spectroscopy.
- Coordination-driven self-assembly,
- Hierarchical self-assembly,
- Metallodendrimers,
- Ordered nanostructures,
- Triangular metallacycles
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