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Issue 43, 2011
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A new generation of ultralight thermochromic indicators based on temperature induced gas release

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Abstract

We present here a new generation of thermochromic composites that require a minimal amount of materials for a significant optical effect. Polymer nanofibers were loaded with azo initiators that release nitrogen upon heating, and were subsequently coated with a thin gold film. The local release of nitrogen gas was shown to change the local topography of the fibers, while keeping the fiber morphology intact. The optical properties of the non-wovens could be controlled by the heating time, the heating temperature and the initial thickness of the film.

Graphical abstract: A new generation of ultralight thermochromic indicators based on temperature induced gas release

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Article information


Submitted
04 Jul 2011
Accepted
22 Aug 2011
First published
28 Sep 2011

J. Mater. Chem., 2011,21, 17392-17395
Article type
Paper

A new generation of ultralight thermochromic indicators based on temperature induced gas release

A. Popa, R. Eckert, D. Crespy, P. Rupper and R. M. Rossi, J. Mater. Chem., 2011, 21, 17392
DOI: 10.1039/C1JM13088A

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