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Issue 9, 2018
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Fabrication of diverse nano-architectures through the self-assembly of a naphthalene diimide derivative bearing four carbamates

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Abstract

A naphthalene diimide (NDI) derivative bearing four carbamate groups (coded as: W2) was synthesised using a multistep strategy, and utilizing solvophobic effects, the self-assembly of this molecule was studied using solvent mixtures. Self-assembly led to a variety of controllable morphologies of supramolecular structures on both the micro and nanoscale. Nanobelts, nanospheres, nano-corals, microflowers and nanograss-like morphologies were obtained in DMF, MCH, CHCl3, THF, water and MeOH solvent mixtures. UV-vis absorption, fluorescence emission spectroscopy, FT-IR and XRD gave insight into the mode of aggregation of W2 in various solvents. The polarity of the solvent mixtures used directed the self-organisation of W2 by driving the π–π stacking interaction between NDI cores, and the H-bonding between the carbamate moieties. Our studies show that the solvent polarity guides the self-assembly process during solvent evaporation leading to the formation of supramolecular nano- and microstructures under ambient conditions.

Graphical abstract: Fabrication of diverse nano-architectures through the self-assembly of a naphthalene diimide derivative bearing four carbamates

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Publication details

The article was received on 20 Nov 2017, accepted on 18 Mar 2018 and first published on 21 Mar 2018


Article type: Paper
DOI: 10.1039/C7NJ04503D
Citation: New J. Chem., 2018,42, 6785-6793
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    Fabrication of diverse nano-architectures through the self-assembly of a naphthalene diimide derivative bearing four carbamates

    S. M. Wagalgave, D. DucLa, R. S. Bhosale, M. A. Kobaisi, L. A. Jones, S. V. Bhosale and S. V. Bhosale, New J. Chem., 2018, 42, 6785
    DOI: 10.1039/C7NJ04503D

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