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Issue 30, 2012
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Smart polydiacetylene nanowire paper with tunable colorimetric response

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Abstract

We report the synthesis of mesostructured conjugated nanowires and fabrication of their freestanding papers. The nanowires are formed through non-covalent self-assembly of conjugated diacetylene precursor 5,7-octadecadiynoic acid via hydrogen bonding and π–π stacking in a simple sol–gel process. Resultant nanowires exhibit lamellar mesostructure and can be dispersed uniformly in aqueous solutions. The nanowire papers are fabricated through filtration of nanowire solutions. The papers exhibit mechanical robustness allowing them to be freely folded and cut like regular printer papers, and show rapid sensitivity to different ions, solvents, and UV irradiation, as well as reversible blue ↔ red chromatic switching induced by UV irradiation and solvatochromic transition.

Graphical abstract: Smart polydiacetylene nanowire paper with tunable colorimetric response

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Supplementary files

Article information


Submitted
23 May 2012
Accepted
20 Jun 2012
First published
22 Jun 2012

J. Mater. Chem., 2012,22, 14839-14842
Article type
Communication

Smart polydiacetylene nanowire paper with tunable colorimetric response

F. Bai, Z. Sun, P. Lu and H. Fan, J. Mater. Chem., 2012, 22, 14839
DOI: 10.1039/C2JM33308B

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