3D Printing of a Thermo- and Solvatochromic Composite Material Based on a Cu(II)–Thymine Coordination Polymer with Moisture Sensing Capabilities

Noelia Maldonado, Verónica G. Vegas, Oded Halevi, Jose Ignacio Martínez, Pooi See Lee, Shlomo Magdassi, Michael T. Wharmby, Ana E. Platero-Prats, Consuelo Moreno, Félix Zamora*, Pilar Amo-Ochoa

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

This work presents the fabrication of 3D-printed composite objects based on copper(II) 1D coordination polymer (CP1) decorated with thymine along its chains with potential utility as an environmental humidity sensor and as a water sensor in organic solvents. This new composite object has a remarkable sensitivity, ranging from 0.3% to 4% of water in organic solvents. The sensing capacity is related to the structural transformation due to the loss of water molecules that CP1 undergoes with temperature or by solvent molecules' competition, which induces significant change in color simultaneously. The CP1 and 3D printed materials are stable in air over 1 year and also at biological pHs (5–7), therefore suggesting potential applications as robust colorimetric sensors. These results open the door to generate a family of new 3D printed materials based on the integration of multifunctional coordination polymers with organic polymers.

Original languageAmerican English
Article number1808424
JournalAdvanced Functional Materials
Volume29
Issue number15
DOIs
StatePublished - 11 Apr 2019

Bibliographical note

Publisher Copyright:
© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

  • 3D printing
  • coordination polymers
  • sensing
  • solvato-thermochromic, water detection

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