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A monomer-assembly template-directed synthesis of conjugated porous polymer microtubular bundles

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Abstract

For porous organic materials, the defined morphology in the micrometre or a larger scale plays an extremely important role in fully exhibiting their molecular-level properties in the bulk phase, thus tuning the synergetic effects of different components and facilitating their fabrication and processing. However, the synthetic strategy towards porous organic materials with well-controlled morphologies is still very limited and full of challenges. Herein, we report a simple self-templated method to construct conjugated porous polymer microtubular bundles in the fused fashion. In the synthesis processes, the monomer 1,3,5-benzene-tricarbohydrazide is firstly assembled into crystalline microfiber bundles as the template, which is then condensed with 1,7-para-formylphenyl-perylene-3,4,9,10-tetracarboxylic diimide via the dynamic covalent acylhydrazon linkage. Upon a quasi-Kirkendall effect and Ostwald ripening process, a conjugated porous polymer featuring smooth microtubular bundles can be essentially constructed. Such defined hierarchical morphology exhibits the substantial co-used tubular walls and orientated channels with sub-micrometre-sized diameters and lengths in tens of micrometers, thus rendering an extremely high accessibility of their redox active sites.

Graphical abstract: A monomer-assembly template-directed synthesis of conjugated porous polymer microtubular bundles

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Publication details

The article was received on 31 Aug 2019, accepted on 11 Oct 2019 and first published on 11 Oct 2019


Article type: Communication
DOI: 10.1039/C9MH01381D
Mater. Horiz., 2019, Advance Article

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    A monomer-assembly template-directed synthesis of conjugated porous polymer microtubular bundles

    W. Zhang, T. Cui, S. Bi, L. Ma, D. Lu, D. Wu and F. Zhang, Mater. Horiz., 2019, Advance Article , DOI: 10.1039/C9MH01381D

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