Fabrication of conductive silver micropatterns on an organic-inorganic hybrid film by laser direct writing |
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Authors: | Mohammod Aminuzzaman Tokuji Miyashita |
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Affiliation: | Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan |
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Abstract: | This paper describes fabrication of silver (Ag) micropatterns on a double-decker-shaped polysilsesquioxane (DDPSQ) hybrid film by laser-induced pyrolysis (LIP) of a film prepared from liquid-dispersed Ag nanoparticles. The line width of Ag micropatterns fabricated by LIP can be controlled flexibly by changing the numerical aperture (NA) value of an objective lens and the focusing point. By changing NA value of an objective lens, line widths of Ag micropatterns can be varied flexibly from 75 μm to 5 μm. The Ag micropatterns show an excellent adherence to DDPSQ surface as evaluated by adhesive tape test. The resistivity of the Ag micropattern is determined to be 4.3 × 10− 6 Ω cm, which is comparable to that of bulk Ag (1.6 × 10− 6 Ω cm). |
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Keywords: | Flexible electronics Laser direct writing Micropatterns Resistivity Nanometal ink Hybrid polymer Double-decker-shaped polysilsesquioxane (DDPSQ) |
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