期刊
MATERIALS CHEMISTRY AND PHYSICS
卷 129, 期 3, 页码 1075-1080出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2011.05.064
关键词
Inkjet printing; Ag nanoparticles; Viscosity; Inks
资金
- European Project (FP7) MULTILAYER [FP7-NMP4-2007-214122]
The main problem in preparing stable and printable inks containing nanoparticles for inkjet printing is to overcome the strong agglomeration of the particles in dispersion medium. In this study, the silver particles with diameter around 50 nm were produced by a simple wet chemistry method. Stable aqueous printable inks were formulated by using the combination of a triblock copolymer and high intensity focused ultrasound (HIFU). Various factors that affect the ink stability, such as, copolymer content and time of HIFU treatment, were investigated. The ink containing 5 wt% silver has a viscosity of about 2 mPa s and surface tension 30 mN m(-1) at 25 degrees C, which meet inkjet printer requirements. Such inks have been successfully printed on Al2O3 ceramics and low-temperature co-fired ceramics (LTCC) and the printed films show low resistivity. (C) 2011 Elsevier B.V. All rights reserved.
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