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Inkjet Printed Fractal-Connected Electrodes with Silver Nanoparticle Ink

By Mohammad Vaseem (1437190), Kil Mok Lee (2070100), A-Ra Hong (2070094) and Yoon-Bong Hahn (2070097)


The development of a simple and reliable method for nanoparticles-based ink in an aqueous solution is still a challenge for its inkjet printing application. Herein, we demonstrate the inkjet printing of fractal-aggregated silver (Ag) electrode lines on substrates. Spherical, monodisperse Ag nanoparticles have been synthesized using silver nitrate as a precursor, ethylene glycol as a reducing agent, and polyvinyl pyrrollidone as a capping agent. As-synthesized pure Ag nanoparticles were well dispersed in water-ethylene glycol mixture, which was directly used as an ink for inkjet printing. Using this ink, the Ag electrodes of fractal-connected lines were printed on Si/SiO<sub>2</sub>, glass, and polymer substrates. The fractal-connected Ag lines were attributed to the diffusion-limited aggregation of Ag nanoparticles and the effect of annealing on conductivity was also examined

Topics: Biochemistry, Medicine, Cell Biology, Genetics, Neuroscience, Physiology, Biotechnology, Sociology, Space Science, Environmental Sciences not elsewhere classified, Chemical Sciences not elsewhere classified, Ag nanoparticles, inkjet printing application, inkjet printing, Silver Nanoparticle InkThe development
Year: 2012
DOI identifier: 10.1021/am300689d.s001
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Provided by: FigShare
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