Issue 30, 2015

Cellulose–spin crossover particle composite papers with reverse printing performance: a proof of concept

Abstract

We report on a thermochromic paper with reverse printing performance. The paper was elaborated by combining spin-crossover particles of [Fe(NH2trz)3]Br2 or [Fe(Htrz)2(trz)]BF4 and linter cellulose fibers using standard paper-making processes. The composites were characterized by electronic and vibrational spectroscopy, thermogravimetry, calorimetry, tensile tests, elemental analyses as well as by electronic and optical microscopy. The composite cellulose sheets maintain good mechanical and thermal properties and show perceptible thermochromic effects associated with a memory effect. They are rewritable by laser heating and completely erasable over several hundreds of printing cycles providing scope for inkless printing technologies.

Graphical abstract: Cellulose–spin crossover particle composite papers with reverse printing performance: a proof of concept

Supplementary files

Article information

Article type
Paper
Submitted
04 mai 2015
Accepted
15 mai 2015
First published
20 mai 2015

J. Mater. Chem. C, 2015,3, 7897-7905

Author version available

Cellulose–spin crossover particle composite papers with reverse printing performance: a proof of concept

V. Nagy, I. Suleimanov, G. Molnár, L. Salmon, A. Bousseksou and L. Csóka, J. Mater. Chem. C, 2015, 3, 7897 DOI: 10.1039/C5TC01246E

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