A bifacial colour-tunable system via combination of a cholesteric liquid crystal network and hydrogel,Journal of Materials Chemistry C

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A bifacial colour-tunable system via combination of a cholesteric liquid crystal network and hydrogel
Journal of Materials Chemistry C ( IF 5.7 ) Pub Date : 2020-07-13 , DOI: 10.1039/d0tc02189j
Owies M. Wani _{1,

2,

3,

4,

5} , Albertus P. H. J. Schenning _{6,

7,

8,

9,

10} , Arri Priimagi _{1,

2,

3,

4,

5}

Affiliation

We present a colour tunable system obtained by combining a humidity-responsive cholesteric liquid crystal network and hydrogel coatings, in a diligently designed cell-geometry. The design enables sensitive colour tuning via temperature-induced changes in humidity inside the cell. Uniquely, the system exhibits a bifacial response, causing either a blue- or red-shift in the reflected color when heated from opposite sides.

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