<P>Owing to their flexible, light-weight and disposable properties, paper-based electronic and sensor systems have gained much attention. Efficient immobilization and patterning of functional materials on paper substrates are critical to device ...
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https://www.riss.kr/link?id=A107624091
2012
-
SCI,SCIE,SCOPUS
학술저널
8680-8686(7쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>Owing to their flexible, light-weight and disposable properties, paper-based electronic and sensor systems have gained much attention. Efficient immobilization and patterning of functional materials on paper substrates are critical to device ...
<P>Owing to their flexible, light-weight and disposable properties, paper-based electronic and sensor systems have gained much attention. Efficient immobilization and patterning of functional materials on paper substrates are critical to device performance. Herein, we report an inkjet printable and photopolymerizable diacetylene (DA) containing microemulsion system that can be readily transferred to paper substrates using a common office inkjet printer. UV-induced polymerization afforded clean formation of polydiacetylene (PDA) supramolecules on paper and the polymer displayed a typical thermochromism. The resolution of the printed PDA images was found to be equivalent to that of conventional black ink. The randomly oriented DA in the oil phase was found to be transformed to self-assembled layered structures upon printing. The printed PDA supramolecules derived from 5,7-dodecadiyne-1,12-diol bis[((butoxycarbonyl)methyl)urethane] (4BCMU) displayed a blue-to-red-to-yellow color transition upon heating. Thus, the blue colored 4BCMU-derived polymer was converted to a red colored PDA at 100 °C and further heating to 180 °C resulted in the generation of a yellow colored PDA. Upon cooling to room temperature, the yellow colored PDA became red and a complete colorimetric reversibility was observed between red (30 °C) and yellow (180 °C). The thermally promoted reversible PDA phase transition was successfully applied to a banknote to demonstrate an application to a potential counterfeit prevention method.</P>
<P>Graphic Abstract</P><P>By using diacetylene containing microemulsions, we were able to generate polydiacetylene images on paper substrates for flexible and disposable sensors.
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Free-standing polymer nanoactuators, nanoshutters, and nanofilters