Abstract
We demonstrate the facile tuning of uniform Bragg reflection color from red to blue by uniaxial compression of gel films containing single-crystalline loosely packed colloidal crystals. The tuned colors can be fixed by photopolymerization of a polymer precursor solution contained in the compressed gel films.
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Acknowledgements
This work was supported by JSPS KAKENHI (grant number 25289237). The authors acknowledge Dr. Tsutomu Sawada (NIMS) for helpful discussions and support.
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Iwasawa, Y., Tajima, H. & Kanai, T. Tuning and fixing of uniform Bragg reflection color of gel-immobilized colloidal photonic crystal films. Polym J 53, 1157–1161 (2021). https://doi.org/10.1038/s41428-021-00512-z
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DOI: https://doi.org/10.1038/s41428-021-00512-z