Abstract
Silver nanoparticles with small particle size distribution and good dispersibility were synthesized through a facile chemical reduction method. In the progress, AgNO3 was used as the precursor, polyacrylic acid and ethanol amine were introduced as the protective agent, hydrazine hydrate was chosen as the reduce agent. Diameter of the resulted monodisperse silver nanoparticles is between 50 and 70 nm. Then, the obtained silver nanoparticles were well dispersed in the oil-based ink, which can be printed on a flexible polyimide substrate to form the conductive printed circuit board through following low temperature annealing treatment. A lowest electricity resistivity of 5.6 × 10−8 Ω m is obtained which is only 3.5× higher than that of bulk silver.
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Acknowledgements
The authors are grateful for the financial support from the National Natural Science Foundation of China (21571186), Guangdong Key Laboratory of High Density Electronic Packaging Key Materials (2014B030301014), Youth Innovation Promotion Association (2017411), Guangdong TeZhi plan youth talent of science and technology (2014TQ01C102), R&D Funds for basic Research Program of Shenzhen (JSGG20160229155249762).
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Shao, W., Li, G., Zhu, P. et al. Facile synthesis of low temperature sintering Ag nanopaticles for printed flexible electronics. J Mater Sci: Mater Electron 29, 4432–4440 (2018). https://doi.org/10.1007/s10854-017-8390-4
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DOI: https://doi.org/10.1007/s10854-017-8390-4