Shuzo Hirata, Toshiro Tsuji, Yoshimine Kato and Chihaya Adachi Reversible Coloration Enhanced by Electrochemical Deposition of an Ultrathin Zinc Layer onto an Anodic Nanoporous Alumina Layer Advanced Functional Materials 22
Reversible electronic coloration and decoloration triggered by electrochemical deposition and desorption, respectively, of an ultrathin zinc layer on indium tin oxide coated anodic nanoporous alumina is demonstrated. The electrochemically deposited zinc layer triggers destructive interference at a specific wavelength, producing coloration. Recorded static images are not destroyed by heating or strong UV light when the power is off. Reversible coloration and decoloration of cyan, magenta, and yellow are achieved by changing the alumina layer thickness.
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