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Issue 2, 2012
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Invisible photonic prints shown by water

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Invisible photonic prints have been prepared on a siloxane-containing photonic paper by creating a contrast of crosslinking or degree of hydrophobization with lithographical methods. When the invisible prints are soaked in water for several minutes, the small difference in reflection wavelength (λ) between the pattern and the background is significantly amplified due to their different swelling speeds, which leads to a visible image in the end. It is fully reversible and accessible to show and hide the patterns through soaking and drying. Photonic prints with multi-stopband can also be prepared by carefully controlling the crosslink or modification level in each lithographical procedure.

Graphical abstract: Invisible photonic prints shown by water

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Publication details

The article was received on 21 Aug 2011, accepted on 03 Oct 2011 and first published on 10 Nov 2011

Article type: Paper
DOI: 10.1039/C1JM14082E
J. Mater. Chem., 2012,22, 367-372

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    Invisible photonic prints shown by water

    R. Xuan and J. Ge, J. Mater. Chem., 2012, 22, 367
    DOI: 10.1039/C1JM14082E

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