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One-, two-, and three-dimensional hierarchical self-assembly of non-amphiphilic low-entropy chains from nanotubes to nanoribbons and porous net-sheets

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Abstract

The association of some small molecules such as benzene and phthalimide with non-amphiphilic homopolymeric low-entropy chains such as PVAc, PVA, PVP, and PNIPAM has been realized by reversible addition–fragmentation chain transfer reaction (RAFT) method. The as-prepared PT-PVA, PT-PVAc, PT-PVP, and PT-PNIPAM can serve as new building blocks and show the capability in concentration-dependent multidimensional self-assembly from vesicles to nanotubes, nanoribbons, and three-dimensional porous net-sheet structures. The introduction of low-entropy chains enables small molecules to aggregate into the J-type formation, which confers small molecules with the fluorescence-color-tunable ability. Incidentally, due to the essence of loosely stacking of J-type aggregates, reversible disassembly of the systems has also ensued. In particular, biocompatible PT-PVA shows excellent cell-labeling and sustained-drug-release abilities. This system promises potential applications in preparing sophisticated nanostructures and designing new sustained-drug-release systems from simple small molecules.

Graphical abstract: One-, two-, and three-dimensional hierarchical self-assembly of non-amphiphilic low-entropy chains from nanotubes to nanoribbons and porous net-sheets

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Publication details

The article was received on 08 Mar 2017, accepted on 22 Jun 2017 and first published on 22 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ00772H
Citation: New J. Chem., 2017, Advance Article
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    One-, two-, and three-dimensional hierarchical self-assembly of non-amphiphilic low-entropy chains from nanotubes to nanoribbons and porous net-sheets

    R. Liu, Z. Peng and X. Hou, New J. Chem., 2017, Advance Article , DOI: 10.1039/C7NJ00772H

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