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A facile approach to a silver conductive ink with high performance for macroelectronics

Yu Tao1*, Yuxiao Tao1, Biaobing Wang1, Liuyang Wang1 and Yanlong Tai2*

Author Affiliations

1 School of Materials Science and Engineering, Changzhou University, Changzhou 201326, People’s Republic of China

2 Department of Biomedical Engineering, University of California Davis, Davis, CA 95616, USA

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Nanoscale Research Letters 2013, 8:296  doi:10.1186/1556-276X-8-296

Published: 25 June 2013


An unusual kind of transparent and high-efficiency organic silver conductive ink (OSC ink) was synthesized with silver acetate as silver carrier, ethanolamine as additive, and different kinds of aldehyde-based materials as reduction agents and was characterized by using a thermogravimetric analyzer, X-ray diffraction, a scanning electron microscope, and a four-point probe. The results show that different reduction agents all have an important influence on the conductive properties of the ink through a series of complex chemical reactions, and especially when formic acid or dimethylformamide was used as the reduction agent and sintered at 120°C for 30 s, the resistivity can be lowered to 6 to 9 μΩ·cm. Furthermore, formula mechanism, conductive properties, temperature, and dynamic fatigue properties were investigated systematically, and the feasibility of the OSC ink was also verified through the preparation of an antenna pattern.

Organic silver conductive ink (OSC ink); Conductive pattern; Formula mechanism; Antenna pattern