Abstract：Particle-free conductive ink was prepared, taking silver citrate as conductive metal precursor, sec-butylamine as complexing agent and ethanol as media adjusting the viscosity and wettability. The ink could be printed on PET substrate by gravure printing, and silver conductive film with high electrical conductivity was obtained after thermal treated at low temperature. Silver citrate, silver citrate based conductive ink and silver conductive film were characterized with EDS, STA, IR, XRD, SEM and four point probe method. The results of STA showed that the mass of the conductive ink came to constant at 132 ℃ which is much lower than that of silver citrate (210 ℃); the results of SEM and XRD showed that the silver conductive film cured at 150 ℃ was constituted by compact silver nano particles with high purity; the result of four point probe method showed that its sheet resistance was 1.83 Ω·□-1.
Key words：Silver citrate;Particle-free;Conductive ink;Gravure printing;Conductive film
聂晓蕾，王 虹*，邹 竞 . 无颗粒型银导电墨水的制备及其印刷成膜研究[J]. 光谱学与光谱分析, 2012, 32(11): 3089-3092.
NIE Xiao-lei, WANG Hong*, ZOU Jing. Synthesis of Particle-Free Silver Conductive Ink and Investigation of Fabrication of Conductive Film by Printing . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(11): 3089-3092.
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