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3D printable photochromic molecular materials for reversible information storage

Wales, Dominic J.; Cao, Qun; Kastner, Katharina; Karjalainen, Erno; Newton, Graham N.; Sans, Victor


Dominic J. Wales

Qun Cao

Katharina Kastner

Erno Karjalainen

Victor Sans


The formulation of advanced molecular materials with bespoke polymeric ionic liquid matrices that stabilize and solubilize hybrid organic-inorganic polyoxometalates and allow their processing by additive manufacturing, is effectively demonstrated. The unique photo and redox properties of nanostructured POMs are translated across the scales (from molecular design to functional materials) to yield macroscopic functional devices with reversible hotochromism. These properties open a range of potential applications including reversible information storage based on controled topological and temporal reduction/oxidation of pre-formed printed devices. This approach pushes the boundaries of 3D printing to the molecular limits, allowing us to couple the freedom of design enabled by 3D printing with the molecular tuneability of polymerizable ionic liquids and the photoactivity and orbital engineering possible with hybrid polyoxometalates.


Wales, D. J., Cao, Q., Kastner, K., Karjalainen, E., Newton, G. N., & Sans, V. (2018). 3D printable photochromic molecular materials for reversible information storage. Advanced Materials, 30(26), Article 1800159.

Journal Article Type Article
Acceptance Date Apr 30, 2018
Online Publication Date Apr 30, 2018
Publication Date Jun 27, 2018
Deposit Date May 1, 2018
Publicly Available Date May 1, 2019
Journal Advanced Materials
Print ISSN 0935-9648
Electronic ISSN 1521-4095
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 30
Issue 26
Article Number 1800159
Keywords 3D printing, polyoxometalates, poly(ionic liquids), smart materials, photochromism
Public URL
Publisher URL
Additional Information This is the peer reviewed version of the following article: 3D-Printable Photochromic Molecular Materials for Reversible Information Storage / Dominic J. Wales, Qun Cao, Katharina Kastner, Erno Karjalainen, Graham N. Newton, Victor Sans, Advanced Materials, which has been published in final form at doi:10.1002/adma.201800159. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.


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