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An Electro‐ and Thermochromic Hydrogel as a Full‐Color Indicator
Author(s) -
Ueno K.,
Matsubara K.,
Watanabe M.,
Takeoka Y.
Publication year - 2007
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200700159
Subject(s) - thermochromism , materials science , structural coloration , electric field , optoelectronics , porosity , visible spectrum , nanotechnology , optics , composite material , photonic crystal , condensed matter physics , physics , quantum mechanics
Electric‐field‐triggered “two‐state switching” between two arbitrary structural colors (see figure) in the entire visible region at certain temperatures is shown by a stimuli‐responsive chromic hydrogel. The external rapid tuning in the structural color of this hydrogel is successfully achieved by introducing a periodically ordered interconnecting porous structure.