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Adv Mater. 2011 Dec 8;23(46):5492-7. doi: 10.1002/adma.201103471. Epub 2011 Nov 3.

Inkjet printing of conjugated polymer precursors on paper substrates for colorimetric sensing and flexible electrothermochromic display.

Author information

1
Department of Chemical Engineering, Hanyang University, Seoul, Korea.

Abstract

Inkjet-printable aqueous suspensions of conjugated polymer precursors are developed for fabrication of patterned color images on paper substrates. Printing of a diacetylene (DA)-surfactant composite ink on unmodified paper and photopaper, as well as on a banknote, enables generation of latent images that are transformed to blue-colored polydiacetylene (PDA) structures by UV irradiation. Both irreversible and reversible thermochromism with the PDA printed images are demonstrated and applied to flexible and disposable sensors and to displays.

PMID:
22052793
DOI:
10.1002/adma.201103471
[Indexed for MEDLINE]

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